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如何選擇焊接不銹鋼焊絲焊條及填充材料

日期:2024-11-24 23:39
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摘要:<span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">如何選擇焊接不銹鋼焊絲焊條及填充材料</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">常見不銹鋼焊絲焊條主要用途如下</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H05Cr22NillMn6Mo3VN</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接同牌號的不銹鋼,也可以用于不同種類合金及低碳鋼管與不銹鋼管的焊接。用作熔化極氣體保護焊絲可直接在碳鋼上進行堆焊,形成具有較高強韌性和良好抗晶間腐蝕能力的耐腐蝕保護層</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H10Crl7Ni8Mn8Si4N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接同牌號的不銹鋼,也可以用于低碳鋼與不銹鋼等不同鋼種的焊接與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">類鋼比較,該種焊絲的熔敷層具有更好的強韌性和耐磨性,常用作低碳鋼的堆焊材料</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H05Cr20Ni6Mn9N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接同牌號的不銹鋼,也可以用于低碳鋼與不銹鋼等不同鋼種的焊接。該焊絲使用性能與前兩種相似,主要用作熔化極氣體保護焊絲,不適宜用作鎢極氣體保護焊、等離子弧焊和電子束焊的充填焊絲</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">4H05Crl8Ni5Mnl2N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接同牌號的不銹鋼,用途和使用性能與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H05Cr20Ni6Mn9N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相似,只是熔敷層的耐蝕稍差,而耐磨性能更好點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H10Cr21Nil0Mn6</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用途同</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H05Cr22NillMn6M03VN</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊絲,具有良好的強靭性和優(yōu)良的抗磨性能,主要用于耐磨髙錳鋼的焊接和碳鋼的表面堆焊</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H09Cr21Ni9Mn4M0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于不同種鋼的焊接,如奧氏體錳鋼與碳鋼鍛件或鑄件的焊接。焊縫強度適中,但具有良好的抗裂性能</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr21Nil0Si H08Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">18-8</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">18-12</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">20-10</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型奧氏體不銹鋼的焊接,是</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Ni9(304)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型不銹鋼*常用的焊接材料</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量控制在上限外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr21Ni1O</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同由于碳量較高,焊縫在高溫條件下具有較高的抗拉強度和較好的抗蠕變性能。常用于焊接</span><span lang="EN-US"><span style="font-family:'Times New Roman';">07Crl9Ni9(304H)</span></span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr21Nil0Si H03Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較低外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">HO8Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。由于碳含量較低,不至于在晶間產(chǎn)生碳化物析出,其抗晶間腐蝕能力與含鈮或鈦等穩(wěn)定化元素的鋼相似,但高溫強度稍低</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr20NillMo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除鉬含量較高外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr21NilO</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">基本相同。常用于焊接鉻、鎳、鉬含量相近的鑄件;在希望焊縫中鐵素體含量較高條件下,也可用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Crl7Nil2Mo2(316)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鍛件的焊接</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H04Cr20NillMo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較低外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr20NillMo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。常用于焊接鉻、鎳、鉬含量相近的鑄件;在希望焊縫中鐵素體含量較高,也可用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US"> 03Crl7Nil2Mo2(316L)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鍛件的焊接</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr21Nil0Sil H03Cr21Nil0Sil</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除硅含量較高外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr21NU0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。在氣體保護焊接過程中,硅能改善焊縫鋼水的流動性和浸潤性,使得焊縫光滑、平整。如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Si H12Cr24Nil3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接成分相似的鍛件和鑄件,也可以用于不同種金屬的焊接,如</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼與碳鋼的焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">常用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">復(fù)合鋼板的復(fù)層焊接,以及碳鋼殼體內(nèi)襯不銹鋼薄板的焊接</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr24Nil3Si H03Cr24Nil3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較低外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3S</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。由于碳含量較低,不至于在晶間產(chǎn)生碳化物析出,其抗晶間腐蝕能力與含鈮或鈦等穩(wěn)定化元素的鋼相似,但高溫強度稍低</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除含</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2.0%-3.0%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鉬外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。因為鑰能提高鋼在含鹵化物氣氛中的抗點腐蝕的能力,該焊絲主要用于鋼材表面堆焊,作為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">或</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil4Mo3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">填充金屬多層堆焊的層堆焊,以及在碳鋼殼體中含鉬不銹鋼內(nèi)襯的焊接、含鉬不銹鋼復(fù)合鋼板與碳鋼或</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼的連接</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr24Nil3Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較低外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同,其抗晶間腐蝕能力</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">優(yōu)于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。在表面多層的堆焊時,為保證后續(xù)堆焊層有較低的含碳量,層通常采用低碳的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr24Nil3Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊絲</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Sil H03Cr24Nil3Sil</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除硅含量提髙到</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.65%-1.00%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr24Nil3Si</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr24Nil3Si</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。在氣體保護焊接過程中,硅能改善焊縫鋼水的流動性和浸潤性,使得焊縫光滑、平整,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr26Ni21Si H12Cr26Ni21</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:該牌號具有良好的耐熱和耐腐蝕性能,常用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">25-20(310)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型不銹鋼</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2Si H08Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:牌號中含有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2.0%-3.0%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的鉬,因而鋼具有良好的抗點腐蝕能力,在高溫抗蠕變性能也顯著提高。常用于焊接在高溫下工作或在含有氯離子氣氛中工作的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Crl7Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量控制在上限外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同,但其髙溫抗拉強度有所提高。主要用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Crl7Nil2Mo2(316H)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Crl9Nil2Mo2Si H03Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較低外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同,主要用于焊接超低碳含鉬奧氏體不誘鋼及合金。因為碳含量低,在不采用鈦、鈮等穩(wěn)定化元素的條件下,焊縫具有良好的抗晶間腐蝕性能,但髙溫抗拉強度低于含鈦、鈮的焊縫</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2Sil H03Crl9Nil2Mo2Sil</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除硅含量提髙到</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.65%-1.00%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2Sil</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US"> H03Crl9Nil2Mo2Sil</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。用于熔化極氣體保護焊中,可改善充填金屬的工藝性,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Crl9Nil2Mo2Cu2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:牌號中含有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1.0%-2.5%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的銅,其耐腐蝕和耐點蝕性能優(yōu)于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cri9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">,主要用于焊接耐硫酸腐蝕的容器、管道及結(jié)構(gòu)件</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil4Mo3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:該牌號耐點蝕、縫隙腐蝕和抗蠕變性能優(yōu)于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil2Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。常用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl9Nil3Mo3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼和成分相似的合金</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">在點腐蝕和縫隙腐蝕的比較嚴重的環(huán)境中工作</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Crl9Nil4Mo3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:在不添加鈦或鈮等穩(wěn)定化元素的情況下,通過降低碳含量</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">提高鋼的抗晶間腐蝕能力</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">H08Crl9Nil2Mo2Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">:通過添加鈮來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力用于焊接成分相似的不銹鋼</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H07Cr20Ni34Mo2Cu3Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接成分相似的合金,通常焊件均用于腐蝕性較強的氣氛或介質(zhì)中,如含硫酸、亞硫酸及其鹽類的介質(zhì)中。因為含有穩(wěn)定化元素鈮,用該焊絲焊接的鑄件和鍛件,焊后可以不進行熱處理</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H02Cr20Ni34Mo2Cu3Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:該牌號的基本成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H07Cr20Ni34Mo2Cu3Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同,但碳、硅、磷、硫的含量比較低,對銀和錳含量控制也比較嚴,因而可以在不降低抗晶間腐蝕的前提下,大幅度減少純奧氏體焊縫的熱裂紋和刀狀腐蝕裂紋。焊絲用于成分相似的合金的鎢極氣體保護焊、熔化極氣體保護焊及埋弧焊,但采用埋弧焊時,</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊縫容易產(chǎn)生熱裂紋。焊縫抗拉強度比用</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H07Cr20Ni34Mo2Cu3Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊接時低</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Crl9Nil0Ti</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:通過添加鈦來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力,用于焊接成分相似的不銹鋼。該焊絲宜采用惰性氣體保護焊,不宜采用埋弧焊。因為埋弧焊極易造成焊縫中鈦的流失</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H21Crl6Ni35</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接在</span><span style="font-family:'Times New Roman';"><span lang="EN-US">980</span></span><span style="font-family:宋體;mso-bidi-font-family:宋體;">℃</span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">以上工作的耐熱和抗氧化部件,因為鎳含量高,不適宜焊</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">接在高硫氣氛中作的部件。*常見的用途是焊接成分相似的鑄件和鍛件,或用于合金鑄件缺陷的補焊</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr20Nil0Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:通過添加鈮來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力,用于焊接成分相似的不銹鋼。如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性明顯升高</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr20Nil0SiNb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除硅含量提高到</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.65%-1.00%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08Cr20Nil0Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相同。</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">用于熔化極氣體保護焊中,可改善充填金屬的工藝性,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H02Cr27Ni32Mo3Cu</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接鐵鎳葚高溫合金和成分相近的不銹鋼,通常在硫酸和磷酸介質(zhì)中使用。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋,應(yīng)將焊絲中的碳、硅、磷、硫</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">控制在規(guī)定的較低范圍內(nèi)</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H02Cr20Ni25Mo4Cu</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于焊接裝運硫酸或裝運含有氯化物介質(zhì)的容器,也可用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">03Crl9Nil4Mo3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型不銹鋼的焊接。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋,應(yīng)將焊絲中的碳、硅、磷、硫控制在規(guī)定的較低范圍內(nèi)</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Crl9Nil0TiNb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:該焊絲成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Cr21Nil0</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相似,只是對鉻、鉬含量加以限制,同時添加適量鈦和鈮,目的是控制焊縫中鐵素體含量,降低在高溫下長期使用過程中的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">a</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相的析出,防止焊縫變脆。為保持相平衡,焊接過程中要采取相應(yīng)措施,</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">防止增鉻與鉻的燒損</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H10Crl6Ni8Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl6Ni8Mo2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Crl7Nil2Mo2(316)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US"> 08Crl8Nil2Nb(347</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">)型高溫、高壓不銹鋼管的焊接。因為焊縫中一般含有不高于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5%(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">體積比)的鐵素體,焊縫具有良好的熱塑性,即使在應(yīng)力作用下,也不會產(chǎn)生熱裂紋和弧坑裂紋,焊縫可在焊態(tài)或固溶狀態(tài)下使用。在某些介質(zhì)中</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Cr16Ni8M02</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊縫的耐蝕性能不如</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Crl7M12Mo2,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">此時應(yīng)選用耐蝕性能更好的焊絲</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H03Cr22Ni8Mo3N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">03Cr22Ni6Mo3N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">等含有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">22%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鉻的雙相不銹鋼。因為焊縫為奧氏體</span><span style="font-family:'Times New Roman';"><span lang="EN-US">-</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鐵素體兩相組織,具有抗拉強度高、抗應(yīng)力腐蝕能力強、抗點蝕性能顯著改善等優(yōu)點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H04Cr25Ni5Mo3Cu2N</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于焊接含有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">25%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鉻的雙相不銹鋼。焊縫具有奧氏體</span><span style="font-family:'Times New Roman';"><span lang="EN-US">-</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鐵素體雙相不銹鋼的全部優(yōu)點</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H15Cr30Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接成分相似的鑄造合金,也可以用于碳鋼和不銹鋼</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">特別是高鎳不銹鋼</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的焊接。因焊絲的鐵素體形成元素含量高,即使焊縫金屬被母材</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">高鎳</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">稀釋,焊絲中仍能保持較高的鐵素體含量,焊縫仍具有很強的抗裂紋能力</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Crl3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:常用于焊接成分相似的合金,也可以用于碳鋼表面堆焊,以獲得耐腐蝕、抗點蝕的耐磨層。焊前應(yīng)對焊接進行預(yù)熱,焊后應(yīng)進行熱處理</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Crl2Nil4Mo</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:主要用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08Crl3Ni4Mo</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鑄件和各種規(guī)格的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">15Crl3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08CH3A1</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼。該填絲通過降鉻和加鎳來隈制焊縫產(chǎn)生鐵素體。為防止顯微組織中未回火馬氏體重新硬化,焊后熱處理溫度不宜超過</span><span style="font-family:'Times New Roman';"><span lang="EN-US">620</span></span><span style="font-family:宋體;mso-bidi-font-family:宋體;">℃</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H31Crl3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:除碳含量較髙外,其它成分與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H12Crl3</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">相似,主要用于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">12%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鉻鋼的表面堆焊,其熔敷層硬度更高,耐磨性更好</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H06Crl4</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">08013</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型不銹鋼,焊縫韌性較好,有一定的耐腐性能,焊接前后無需預(yù)熱和熱處理</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H10Crl7</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">12CH7</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">型不銹鋼,焊縫具有良好的抗腐蝕性能,經(jīng)熱赴理后能保持足夠的韌性。焊接過程中,通常要求預(yù)熱和焊后熱處理</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H01Cr26Mo</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:該牌號為超純鐵素體焊絲,主要用于超純鐵素體不銹鋼的惰性氣體保護焊。焊接過程中應(yīng)充分注意焊件的清潔和保護氣體的有效使用,防止焊縫被氧和氮污染</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08CrllTi</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接同類不銹鋼或不同種類的低碳鋼材。焊縫中因含有穩(wěn)定化元素鈦,改善鋼的抗晶間腐蝕性能,抗拉強度也有所提高,目前主要用于汽車尾氣排放部件的焊接</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H08CrllNb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:以鈮代鈦,用途同</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H08CrllTi</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。因為鈮在電弧下氧化燒損很少,可以更**地控制焊縫成分</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">H05Crl7Ni4Cu4Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">:用于焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">07Cr17Ni4Cu4Nb</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和其它類型的沉淀硬化型不銹鋼。焊絲成分經(jīng)調(diào)整后,可以防止焊縫中產(chǎn)生有害的網(wǎng)狀鐵素體組織,根據(jù)焊縫尺寸和使用條件,焊件可在焊態(tài)、焊態(tài)加沉淀硬化態(tài)或焊態(tài)加固溶處理加沉淀硬化態(tài)使用</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">&nbsp;</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>

如何選擇焊接不銹鋼焊絲焊條及填充材料

常見不銹鋼焊絲焊條主要用途如下

H05Cr22NillMn6Mo3VN:常用于焊接同牌號的不銹鋼,也可以用于不同種類合金及低碳鋼管與不銹鋼管的焊接。用作熔化極氣體保護焊絲可直接在碳鋼上進行堆焊,形成具有較高強韌性和良好抗晶間腐蝕能力的耐腐蝕保護層

H10Crl7Ni8Mn8Si4N:常用于焊接同牌號的不銹鋼,也可以用于低碳鋼與不銹鋼等不同鋼種的焊接與08Crl9Ni9類鋼比較,該種焊絲的熔敷層具有更好的強韌性和耐磨性,常用作低碳鋼的堆焊材料

H05Cr20Ni6Mn9N:常用于焊接同牌號的不銹鋼,也可以用于低碳鋼與不銹鋼等不同鋼種的焊接。該焊絲使用性能與前兩種相似,主要用作熔化極氣體保護焊絲,不適宜用作鎢極氣體保護焊、等離子弧焊和電子束焊的充填焊絲

4H05Crl8Ni5Mnl2N:常用于焊接同牌號的不銹鋼,用途和使用性能與H05Cr20Ni6Mn9N相似,只是熔敷層的耐蝕稍差,而耐磨性能更好點

H10Cr21Nil0Mn6:用途同H05Cr22NillMn6M03VN焊絲,具有良好的強靭性和優(yōu)良的抗磨性能,主要用于耐磨髙錳鋼的焊接和碳鋼的表面堆焊

H09Cr21Ni9Mn4M0:主要用于不同種鋼的焊接,如奧氏體錳鋼與碳鋼鍛件或鑄件的焊接。焊縫強度適中,但具有良好的抗裂性能

H08Cr21Nil0Si H08Cr21Nil0:用于18-818-1220-10型奧氏體不銹鋼的焊接,是08Crl9Ni9(304)型不銹鋼*常用的焊接材料

H06Cr21Nil0:除碳含量控制在上限外,其它成分與H08Cr21Ni1O相同由于碳量較高,焊縫在高溫條件下具有較高的抗拉強度和較好的抗蠕變性能。常用于焊接07Crl9Ni9(304H)

H03Cr21Nil0Si H03Cr21Nil0:除碳含量較低外,其它成分與HO8Cr21Nil0相同。由于碳含量較低,不至于在晶間產(chǎn)生碳化物析出,其抗晶間腐蝕能力與含鈮或鈦等穩(wěn)定化元素的鋼相似,但高溫強度稍低

H08Cr20NillMo2:除鉬含量較高外,其它成分與H03Cr21NilO基本相同。常用于焊接鉻、鎳、鉬含量相近的鑄件;在希望焊縫中鐵素體含量較高條件下,也可用于07Crl7Nil2Mo2(316)鍛件的焊接

H04Cr20NillMo2:除碳含量較低外,其它成分與H08Cr20NillMo2相同。常用于焊接鉻、鎳、鉬含量相近的鑄件;在希望焊縫中鐵素體含量較高,也可用于 03Crl7Nil2Mo2(316L)鍛件的焊接

H08Cr21Nil0Sil H03Cr21Nil0Sil:除硅含量較高外,其它成分與H08Cr21Nil0H03Cr21NU0相同。在氣體保護焊接過程中,硅能改善焊縫鋼水的流動性和浸潤性,使得焊縫光滑、平整。如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點

H12Cr24Nil3Si H12Cr24Nil3:用于焊接成分相似的鍛件和鑄件,也可以用于不同種金屬的焊接,如08Crl9Ni9不銹鋼與碳鋼的焊接;常用于08Crl9Ni9復(fù)合鋼板的復(fù)層焊接,以及碳鋼殼體內(nèi)襯不銹鋼薄板的焊接

H03Cr24Nil3Si H03Cr24Nil3:除碳含量較低外,其它成分與H12Cr24Nil3SH12Cr24Nil3相同。由于碳含量較低,不至于在晶間產(chǎn)生碳化物析出,其抗晶間腐蝕能力與含鈮或鈦等穩(wěn)定化元素的鋼相似,但高溫強度稍低

H12Cr24Nil3Mo2:除含2.0%-3.0%鉬外,其它成分與H12Cr24Nil3相同。因為鑰能提高鋼在含鹵化物氣氛中的抗點腐蝕的能力,該焊絲主要用于鋼材表面堆焊,作為H08Crl9Nil2Mo2H08Crl9Nil4Mo3填充金屬多層堆焊的層堆焊,以及在碳鋼殼體中含鉬不銹鋼內(nèi)襯的焊接、含鉬不銹鋼復(fù)合鋼板與碳鋼或08Crl9Ni9不銹鋼的連接

H03Cr24Nil3Mo2:除碳含量較低外,其它成分與H12Cr24Nil3Mo2相同,其抗晶間腐蝕能力 優(yōu)于H12Cr24Nil3Mo2。在表面多層的堆焊時,為保證后續(xù)堆焊層有較低的含碳量,層通常采用低碳的H03Cr24Nil3Mo2焊絲

H12Cr24Nil3Sil H03Cr24Nil3Sil:除硅含量提髙到0.65%-1.00%外,其它成分與H12Cr24Nil3SiH03Cr24Nil3Si相同。在氣體保護焊接過程中,硅能改善焊縫鋼水的流動性和浸潤性,使得焊縫光滑、平整,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點

H12Cr26Ni21Si H12Cr26Ni21:該牌號具有良好的耐熱和耐腐蝕性能,常用于焊接25-20(310)型不銹鋼

H08Crl9Nil2Mo2Si H08Crl9Nil2Mo2:牌號中含有2.0%-3.0%的鉬,因而鋼具有良好的抗點腐蝕能力,在高溫抗蠕變性能也顯著提高。常用于焊接在高溫下工作或在含有氯離子氣氛中工作的07Crl7Nil2Mo2不銹鋼

H06Crl9Nil2Mo2:除碳含量控制在上限外,其它成分與H08Crl9Nil2Mo2相同,但其髙溫抗拉強度有所提高。主要用于焊接07Crl7Nil2Mo2(316H)不銹鋼

H03Crl9Nil2Mo2Si H03Crl9Nil2Mo2:除碳含量較低外,其它成分與H08Crl9Nil2Mo2相同,主要用于焊接超低碳含鉬奧氏體不誘鋼及合金。因為碳含量低,在不采用鈦、鈮等穩(wěn)定化元素的條件下,焊縫具有良好的抗晶間腐蝕性能,但髙溫抗拉強度低于含鈦、鈮的焊縫

H08Crl9Nil2Mo2Sil H03Crl9Nil2Mo2Sil:除硅含量提髙到0.65%-1.00%外,其它成分與H08Crl9Nil2Mo2Sil H03Crl9Nil2Mo2Sil相同。用于熔化極氣體保護焊中,可改善充填金屬的工藝性,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點

H03Crl9Nil2Mo2Cu2:牌號中含有1.0%-2.5%的銅,其耐腐蝕和耐點蝕性能優(yōu)于H03Cri9Nil2Mo2,主要用于焊接耐硫酸腐蝕的容器、管道及結(jié)構(gòu)件

H08Crl9Nil4Mo3:該牌號耐點蝕、縫隙腐蝕和抗蠕變性能優(yōu)于H08Crl9Nil2Mo2。常用于焊接08Crl9Nil3Mo3不銹鋼和成分相似的合金,在點腐蝕和縫隙腐蝕的比較嚴重的環(huán)境中工作

H03Crl9Nil4Mo3:在不添加鈦或鈮等穩(wěn)定化元素的情況下,通過降低碳含量,提高鋼的抗晶間腐蝕能力

H08Crl9Nil2Mo2Nb:通過添加鈮來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力用于焊接成分相似的不銹鋼

H07Cr20Ni34Mo2Cu3Nb:用于焊接成分相似的合金,通常焊件均用于腐蝕性較強的氣氛或介質(zhì)中,如含硫酸、亞硫酸及其鹽類的介質(zhì)中。因為含有穩(wěn)定化元素鈮,用該焊絲焊接的鑄件和鍛件,焊后可以不進行熱處理

H02Cr20Ni34Mo2Cu3Nb:該牌號的基本成分與H07Cr20Ni34Mo2Cu3Nb相同,但碳、硅、磷、硫的含量比較低,對銀和錳含量控制也比較嚴,因而可以在不降低抗晶間腐蝕的前提下,大幅度減少純奧氏體焊縫的熱裂紋和刀狀腐蝕裂紋。焊絲用于成分相似的合金的鎢極氣體保護焊、熔化極氣體保護焊及埋弧焊,但采用埋弧焊時, 焊縫容易產(chǎn)生熱裂紋。焊縫抗拉強度比用H07Cr20Ni34Mo2Cu3Nb焊接時低

H08Crl9Nil0Ti:通過添加鈦來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力,用于焊接成分相似的不銹鋼。該焊絲宜采用惰性氣體保護焊,不宜采用埋弧焊。因為埋弧焊極易造成焊縫中鈦的流失

H21Crl6Ni35:用于焊接在980以上工作的耐熱和抗氧化部件,因為鎳含量高,不適宜焊 接在高硫氣氛中作的部件。*常見的用途是焊接成分相似的鑄件和鍛件,或用于合金鑄件缺陷的補焊

H08Cr20Nil0Nb:通過添加鈮來穩(wěn)定碳,防止晶間析出碳化鉻,提高鋼的抗晶間腐蝕能力,用于焊接成分相似的不銹鋼。如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性明顯升高

H08Cr20Nil0SiNb:除硅含量提高到0.65%-1.00%外,其它成分與H08Cr20Nil0Nb相同。 用于熔化極氣體保護焊中,可改善充填金屬的工藝性,如果焊縫被母材稀釋生成低鐵素體或純奧氏體組織,則焊縫裂紋敏感性要比用低硅焊絲高點

H02Cr27Ni32Mo3Cu:用于焊接鐵鎳葚高溫合金和成分相近的不銹鋼,通常在硫酸和磷酸介質(zhì)中使用。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋,應(yīng)將焊絲中的碳、硅、磷、硫 控制在規(guī)定的較低范圍內(nèi)

H02Cr20Ni25Mo4Cu:主要用于焊接裝運硫酸或裝運含有氯化物介質(zhì)的容器,也可用于03Crl9Nil4Mo3型不銹鋼的焊接。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋,應(yīng)將焊絲中的碳、硅、磷、硫控制在規(guī)定的較低范圍內(nèi)

H06Crl9Nil0TiNb:該焊絲成分與H06Cr21Nil0相似,只是對鉻、鉬含量加以限制,同時添加適量鈦和鈮,目的是控制焊縫中鐵素體含量,降低在高溫下長期使用過程中的a相的析出,防止焊縫變脆。為保持相平衡,焊接過程中要采取相應(yīng)措施, 防止增鉻與鉻的燒損

H10Crl6Ni8Mo2:主要用于08Crl6Ni8Mo207Crl7Nil2Mo2(316) 08Crl8Nil2Nb(347)型高溫、高壓不銹鋼管的焊接。因為焊縫中一般含有不高于5%(體積比)的鐵素體,焊縫具有良好的熱塑性,即使在應(yīng)力作用下,也不會產(chǎn)生熱裂紋和弧坑裂紋,焊縫可在焊態(tài)或固溶狀態(tài)下使用。在某些介質(zhì)中H12Cr16Ni8M02焊縫的耐蝕性能不如07Crl7M12Mo2,此時應(yīng)選用耐蝕性能更好的焊絲

H03Cr22Ni8Mo3N:主要用于焊接03Cr22Ni6Mo3N等含有22%鉻的雙相不銹鋼。因為焊縫為奧氏體-鐵素體兩相組織,具有抗拉強度高、抗應(yīng)力腐蝕能力強、抗點蝕性能顯著改善等優(yōu)點

H04Cr25Ni5Mo3Cu2N:主要用于焊接含有25%鉻的雙相不銹鋼。焊縫具有奧氏體-鐵素體雙相不銹鋼的全部優(yōu)點

H15Cr30Ni9:常用于焊接成分相似的鑄造合金,也可以用于碳鋼和不銹鋼(特別是高鎳不銹鋼)的焊接。因焊絲的鐵素體形成元素含量高,即使焊縫金屬被母材(高鎳)稀釋,焊絲中仍能保持較高的鐵素體含量,焊縫仍具有很強的抗裂紋能力

H12Crl3:常用于焊接成分相似的合金,也可以用于碳鋼表面堆焊,以獲得耐腐蝕、抗點蝕的耐磨層。焊前應(yīng)對焊接進行預(yù)熱,焊后應(yīng)進行熱處理

H06Crl2Nil4Mo:主要用于焊接08Crl3Ni4Mo鑄件和各種規(guī)格的15Crl308CH3A1不銹鋼。該填絲通過降鉻和加鎳來隈制焊縫產(chǎn)生鐵素體。為防止顯微組織中未回火馬氏體重新硬化,焊后熱處理溫度不宜超過620

H31Crl3:除碳含量較髙外,其它成分與H12Crl3相似,主要用于12%鉻鋼的表面堆焊,其熔敷層硬度更高,耐磨性更好

H06Crl4:用于焊接08013型不銹鋼,焊縫韌性較好,有一定的耐腐性能,焊接前后無需預(yù)熱和熱處理

H10Crl7:用于焊接12CH7型不銹鋼,焊縫具有良好的抗腐蝕性能,經(jīng)熱赴理后能保持足夠的韌性。焊接過程中,通常要求預(yù)熱和焊后熱處理

H01Cr26Mo:該牌號為超純鐵素體焊絲,主要用于超純鐵素體不銹鋼的惰性氣體保護焊。焊接過程中應(yīng)充分注意焊件的清潔和保護氣體的有效使用,防止焊縫被氧和氮污染

H08CrllTi:用于焊接同類不銹鋼或不同種類的低碳鋼材。焊縫中因含有穩(wěn)定化元素鈦,改善鋼的抗晶間腐蝕性能,抗拉強度也有所提高,目前主要用于汽車尾氣排放部件的焊接

H08CrllNb:以鈮代鈦,用途同H08CrllTi。因為鈮在電弧下氧化燒損很少,可以更**地控制焊縫成分

H05Crl7Ni4Cu4Nb:用于焊接07Cr17Ni4Cu4Nb和其它類型的沉淀硬化型不銹鋼。焊絲成分經(jīng)調(diào)整后,可以防止焊縫中產(chǎn)生有害的網(wǎng)狀鐵素體組織,根據(jù)焊縫尺寸和使用條件,焊件可在焊態(tài)、焊態(tài)加沉淀硬化態(tài)或焊態(tài)加固溶處理加沉淀硬化態(tài)使用

 

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