牌号标准JIS保护气体用途•使用特性主要尺寸mm熔敷金属化学成分一例％熔敷金厲化学成分一例备注CSiMnPSNiCrMo屈服强度MPa抗拉强度MPa震%吸收功J热处理AWS®MG-S56一Ar+5-20%CO,用于Mn-Mo、Mn-Mo-Ni钢。主要在喷射电弧区使用。1.21.60.060.401.190.0070.0060.84-0.3550059027-40X69620^x40hAr+20%CO,相当于A5.28ER80S-G^MG-seas一Ar+5-20%CO,用于Mn-Mo-Ni钢。适用于A533B、C、C1.2等。主要在喷射电弧区使用。1.20.060.271.340.0080.0060.93-0.4757065025-12X150630°Cx27hAr+15%CO,相当于A5.28ER90S-G^MG-MZ3317G49C-3M3TC〇7用于0.5%M〇钢。1.21.60.070.460.980.0100.009一一0.49530640246962(TCx1h-相当于A5.28ER80S-GTMG-***Z3317G52A-1M3Ar+2-5%〇,Ar+5-20%CO,用于0.5%M〇钢。主要在喷射电弧区使用。1.01.21.60.070.320.760.0080.005一一0.545206102398焊态Ar+20%CO,A5.28ER80S-G48058026160620^Cx1h^MG-TMZ3317G49A-3M3Ar+20-100%CO,用于1~1.25%Cr-0.5%Mo钢。主要在短路过渡时使用。1.21.60.060.340.700.0100.007-—0.484705702378焊态CO,相当于A5.28ER80S-G0.050.450.810.0080.008一一0.5250059026110焯态Ar+40%CO,Z3317G55C-1CMT1CO:用于1〜1.25%Cr-0.5%Mo钢。1.21.60.070.561.060.0110.0101.320.575106302188690^x1h一相当于A5.28ER80S-G)