本公司生产的ER55-B2用于焊接12CrMo等耐热压力容器及管道。相当标准：GBER55-B2。焊丝化学成份(范围)单位:%产品牌号CMnSiSPCuCrNiMoTiH08Mn2SiA≤0.111.8-2.0.65-0.96≤0.03≤0.03≤0.5≤0.20≤0.30--ER50-60.07-0.151.40-1.850.8-1.15≤0.025≤0.025≤0.5≤0.15≤0.15≤0.15-ER50-30.06-0.150.9-1.40.45-0.75≤0.35≤0.25≤0.5≤0.15≤0.15≤0.15-ER50-G0.06-0.121.4-1.90.6-0.9≤0.025≤0.025≤0.5≤0.15≤0.15≤0.15适量ER55-B20.07-0.120.4-0.70.4-0.7≤0.025≤0.025≤0.351.2-1.5-0.4-0.65-ER55-B2Mn0.06-0.10)