AWSY***92-2005焊丝化学成分（%）用途CSiMnPSCrNiMoCu其它ER309LH03Cr24Ni13≤0.0300.30-0.651.00-2.50≤0.030≤0.03023.00-25.0012.00-14.00≤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)