ER304不銹鋼焊絲 氬弧304焊絲ER308L <=0.02 0.4 1.75 20 10 0.4 - <=0.05 <=0.015 Cu 0.5 max 308LSi ER308LSi <=0.02 0.8 1.75 20 10 - <=0.025 <=0.005 Cu 0.5 max 308H ER308H 0.06 1 1.75 20 10 - <=0.5 <=0.03 <=0.02 Cu 0.5 max 307Si ER307Si <=0.1 0.8 7 19.5 9 - - - - 307 ER307 <=0.05 0.5 6 18 8 - - <=0.025 <=0.015 309L ER309L 0.02 0.4 1, .7 23.5 13.5 - - <=0.025 <=0.015 309LSi ER309LSi <=0.03 0.8 1.8 23.5 13.5 - - <=0.022 <=0.015 309Si ER309Si <=0.03 0.8 1.7 23.5 13.5 - - <=0.022 <=0.015 309LMo ER309LMo 0.02 0.4 1.5 21.5 12.5 - 2.7 - - 310 ER310 <=0.12 0.35 1.8 26 21 - <=0.30 <=0.015 <=0.015 Cu 0.5 max 312 ER312 <=0.12 0.4 1.8 30 9 - 0.3 <=0.025 <=0.015 Cu 0.5