不锈钢焊接材料——GMAW熔化极气体保护焊焊接法产品名称相当规格规格熔敷金属物理性能之一例熔敷金属化学成份之一例（Wt%）主要用途MIGTIGGBAWS抗拉强度MPa延伸率%其它物理性能CSiMnNiCrMo其它GMAW熔化极气体保护焊MIG-307LSiJGS-307LSiER307LSiER307LSi1.0-5.0610410.060.826.18.119.2焊接操作性、铁水流动性焊道成形较ER307佳。MIG-307HMJGS-307HM1.0-5.0610410.060.416.28.219.3为完全非磁性奥氏体，适合焊接不锈钢与碳钢、高锰钢打底焊及难焊接之处。MIG-308JGS-308ER308ER3081.0-5.0600410.040.341.8210.320.1焊接作业性及抗裂性佳，适合焊接AISI304（1Cr18Ni9）。MIG-308LJGS-308LER308LER308L1.0-5.0580420.020.421.6510.320.1焊接作业性及抗裂性佳，含碳量低有较佳耐蚀性，适合焊接AISI304（0Cr18Ni9）。MIG-308LSiJGS-308LSiER308LSiER308LSi1.0-5.0580410.020.782.2510.519.8焊接操作性、铁水流动性及成形较ER308L佳。MIG-308HJGS-308HER308HER308H1.0-5.0590400.060.521.6610.220.5焊道高温强度及抗裂性佳，适合焊接含碳量较高钢材304（1Cr18Ni9）。MIG-309JGS-309ER309ER3091.0-5.0610400.080.421.6313.123.8抗裂性及***化性优良，适合焊接同类型不锈钢、异种钢、高铬钢、高锰钢等。MIG-309LJGS-309LER309LER309L1.0-5.0590400.020.391.9812.923.9抗裂性及***化性优良，适合焊接同类型不锈钢、异种钢、高铬钢、高锰钢等。MIG-309LSiJGS-309LSiER309LSiER309LSi1.0-5.0570380.020.742.3513.823.9焊接操作性、铁水流动性及焊道成形较ER309L佳。MIG-309MoJGS-309MoER309MoER309Mo1.0-5.0620420.090.461.8213.123.82.54抗裂性、***化性、耐腐蚀性及高温强度较ER-309优良。MIG-310JGS-310ER310ER3101.0-5.0610410.080.42.0121.827.4在900℃-1000℃时有优良的***化性及高温强度。MIG-312JGS-312ER312ER3121.0-5.0710260.130.491.628.729.6抗裂性***，适合异种钢焊接之覆面层及焊接困难处或硬化性合金焊接。MIG-316JGS-316ER316ER3161.0-5.0580380.050.361.7812.519.62.5对于醋酸、亚***、磷酸及盐类耐蚀性佳适合焊接AISI316(0Cr18Ni12Mo2)。MIG-316HJGS-316HER316HER316H1.0-5.0585390.0650.351.6812.419.32.4对于醋酸、亚***、磷酸及盐类耐蚀性佳适合焊接AISI316H(0Cr18Ni12Mo2)。MIG-316LJGS-316LER316LER316L1.0-5.0550400.020.421.9112.619.12.6对于醋酸、亚***、磷酸及盐类耐蚀性佳适合焊接AISI316L(0Cr18Ni12Mo2)。MIG-316LSiJGS-316LSiER316LSiER316LSi1.0-5.0550390.020.741.6012.419.02.3焊接操作性、铁水流动性及焊道成形较ER316L佳。MIG-317JGS-317ER301ER3011.0-5.0600420.040.451.8614.219.43.5耐蚀性、耐热性佳，对防止晶界腐蚀及脆化效果优异，适合重要化学容器之焊接。MIG-317LJGS-317LER317LER317L1.0-5.0570420.020.401.7613.719.63.6耐蚀性、耐热性佳，对防止晶界腐蚀及脆化效果优异，适合重要化学容器之焊接。MIG-347JGS-347ER347ER3471.0-5.0620410.040.411.619.9020.4Nb:0.80耐晶界腐蚀性及高温强度较ER308佳，适合焊接AISI347、321、304L。MIG-347HJGS-347HER347HER347H1.0-5.0631400.0530.381.6510.120.2Nb:0.85耐晶界腐蚀性及高温强度较ER308佳，适合焊接AISI347、321、304L。MIG-630JGS-630ER630ER6301.0-5.0990100.030.630.544.6916.730.03Cu:3.80析出硬化型不锈钢及17-4PH钢材之焊接，适合耐耗场合使用。MIG-2209JGS-2209ER2209ER22091.0-5.0761360.0150.491.528.6722.943.09N:0.16耐孔蚀及应力腐蚀佳，***适合焊接含22％Cr的双相不锈钢，如UNSS31803（2205）。MIG-2553JGS-2553ER2553ER25531.0-5.0900220.0500.300.8024.707.903.30N:0.20耐孔蚀及应力腐蚀佳，***适合焊接含22％Cr的双相不锈钢，如UNSS32550（2553）。MIG-410JGS-410ER410ER4101.0-5.0540250.110.450.430.1811.8高温耐氧化性、耐腐蚀性佳，适合焊接410、420系列的不锈钢板。MIG-430JGS-430ER430ER4301.0-5.0533280.0520.350.310.1516.24适合焊接耐硝酸腐蚀、耐热的17％Cr不锈钢结构)