AWSY***92-2005焊丝化学成分（%）用途CSiMnPSCrNiMoCu其它ER309LSiH03Cr24Ni13Si1≤0.0300.65-1.001.00-2.50≤0.030≤0.03022.50-24.5012.00-14.00≤0.75≤0.75用于相同类型的不锈钢及复合钢板或异种钢焊接)