如何選擇焊接不鏽鋼焊絲焊條及填充材料

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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">如何選擇焊接不鏽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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">常見不鏽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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接同牌號的不鏽鋼，也可以用於不同種類合金及低碳鋼管與不鏽鋼管的焊接。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接同牌號的不鏽鋼，也可以用於低碳鋼與不鏽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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接同牌號的不鏽鋼，也可以用於低碳鋼與不鏽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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接同牌號的不鏽鋼，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相似，隻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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊絲，具有良好的強靭性和優良的抗磨性能，主要用於耐磨髙錳鋼的焊接和碳鋼的表麵堆焊</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於不同種鋼的焊接，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型奧氏體不鏽鋼的焊接，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型不鏽鋼*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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除碳含量控製在上限外，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同由於碳量較高，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。常用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。由於碳含量較低，不至於在晶間產生碳化物析出，其抗晶間腐蝕能力與含铌或鈦等穩定化元素的鋼相似，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">基本相同。常用於焊接鉻、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，也可用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。常用於焊接鉻、鎳、鉬含量相近的鑄件；在希望焊縫中鐵素體含量較高，也可用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除矽含量較高外，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。在氣體保護焊接過程中，矽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矽焊絲高點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接成分相似的鍛件和鑄件，也可以用於不同種金屬的焊接，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼與碳鋼的焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">常用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">複合鋼板的複層焊接，以及碳鋼殼體內襯不鏽鋼薄板的焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。由於碳含量較低，不至於在晶間產生碳化物析出，其抗晶間腐蝕能力與含铌或鈦等穩定化元素的鋼相似，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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，該焊絲主要用於鋼材表麵堆焊，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">填充金屬多層堆焊的層堆焊，以及在碳鋼殼體中含鉬不鏽鋼內襯的焊接、含鉬不鏽鋼複合鋼板與碳鋼或</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼的連接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">優於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。在表麵多層的堆焊時，為保證後續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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除矽含量提髙到</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。在氣體保護焊接過程中，矽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矽焊絲高點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：該牌號具有良好的耐熱和耐腐蝕性能，常用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型不鏽鋼</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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。常用於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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除碳含量控製在上限外，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同，但其髙溫抗拉強度有所提高。主要用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同，主要用於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、铌等穩定化元素的條件下，焊縫具有良好的抗晶間腐蝕性能，但髙溫抗拉強度低於含鈦、铌的焊縫</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除矽含量提髙到</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同。用於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矽焊絲高點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">的銅，其耐腐蝕和耐點蝕性能優於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">，主要用於焊接耐硫酸腐蝕的容器、管道及結構件</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：該牌號耐點蝕、縫隙腐蝕和抗蠕變性能優於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。常用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">在點腐蝕和縫隙腐蝕的比較嚴重的環境中工作</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：在不添加鈦或铌等穩定化元素的情況下，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">：通過添加铌來穩定碳，防止晶間析出碳化鉻，提高鋼的抗晶間腐蝕能力用於焊接成分相似的不鏽鋼</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接成分相似的合金，通常焊件均用於腐蝕性較強的氣氛或介質中，如含硫酸、亞硫酸及其鹽類的介質中。因為含有穩定化元素铌，用該焊絲焊接的鑄件和鍛件，焊後可以不進行熱處理</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相同，但碳、矽、磷、硫的含量比較低，對銀和錳含量控製也比較嚴，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。焊絲用於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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊縫容易產生熱裂紋。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：通過添加鈦來穩定碳，防止晶間析出碳化鉻，提高鋼的抗晶間腐蝕能力，用於焊接成分相似的不鏽鋼。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接在</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><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，或用於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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：通過添加铌來穩定碳，防止晶間析出碳化鉻，提高鋼的抗晶間腐蝕能力，用於焊接成分相似的不鏽鋼。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：除矽含量提高到</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">用於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矽焊絲高點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接鐵鎳葚高溫合金和成分相近的不鏽鋼，通常在硫酸和磷酸介質中使用。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋，應將焊絲中的碳、矽、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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">控製在規定的較低範圍內</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於焊接裝運硫酸或裝運含有氯化物介質的容器，也可用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型不鏽鋼的焊接。為減少焊縫中的熱裂紋和刀狀腐蝕裂紋，應將焊絲中的碳、矽、磷、硫控製在規定的較低範圍內</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相似，隻是對鉻、鉬含量加以限製，同時添加適量鈦和铌，目的是控製焊縫中鐵素體含量，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">）型高溫、高壓不鏽鋼管的焊接。因為焊縫中一般含有不高於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">體積比）的鐵素體，焊縫具有良好的熱塑性，即使在應力作用下，也不會產生熱裂紋和弧坑裂紋，焊縫可在焊態或固溶狀態下使用。在某些介質中</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">此時應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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鉻的雙相不鏽鋼。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鐵素體兩相組織，具有抗拉強度高、抗應力腐蝕能力強、抗點蝕性能顯著改善等優點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於焊接含有</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鉻的雙相不鏽鋼。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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鐵素體雙相不鏽鋼的全部優點</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接成分相似的鑄造合金，也可以用於碳鋼和不鏽鋼</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">特彆是高鎳不鏽鋼</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：常用於焊接成分相似的合金，也可以用於碳鋼表麵堆焊，以獲得耐腐蝕、抗點蝕的耐磨層。焊前應對焊接進行預熱，焊後應進行熱處理</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：主要用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鑄件和各種規格的</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼。該填絲通過降鉻和加鎳來隈製焊縫產生鐵素體。為防止顯微組織中未回火馬氏體重新硬化，焊後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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">相似，主要用於</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鉻鋼的表麵堆焊，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型不鏽鋼，焊縫韌性較好，有一定的耐腐性能，焊接前後無需預熱和熱處理</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">型不鏽鋼，焊縫具有良好的抗腐蝕性能，經熱赴理後能保持足夠的韌性。焊接過程中，通常要求預熱和焊後熱處理</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：該牌號為超純鐵素體焊絲，主要用於超純鐵素體不鏽鋼的惰性氣體保護焊。焊接過程中應充分注意焊件的清潔和保護氣體的有效使用，防止焊縫被氧和氮汙染</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接同類不鏽鋼或不同種類的低碳鋼材。焊縫中因含有穩定化元素鈦，改善鋼的抗晶間腐蝕性能，抗拉強度也有所提高，目前主要用於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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：以铌代鈦，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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。因為铌在電弧下氧化燒損很少，可以更**地控製焊縫成分</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">：用於焊接</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:"Times New Roman";mso-hansi-font-family:"Times New Roman";">和其它類型的沉澱硬化型不鏽鋼。焊絲成分經調整後，可以防止焊縫中產生有害的網狀鐵素體組織，根據焊縫尺寸和使用條件，焊件可在焊態、焊態加沉澱硬化態或焊態加固溶處理加沉澱硬化態使用</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;"> </span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>