型号：ER309材质不锈钢类型不锈钢焊条焊芯直径0.8-5.0（mm）AWS型号焊丝化学成分（%）GB/T17854-1999CSiMnPSCrNiMoCu其它ER307-0.04-0.140.30-0.603.3-4.75≤0.030≤0.03019.5-22.08.0-10.70.5-1.5≤0.75ER308H0Cr21Ni10≤0.080.30-0.601.00-2.50≤0.030≤0.03019.50-22.009.00-11.00≤0.75≤0.75ER308LH00Cr21Ni10≤0.0300.30-0.601.00-2.50≤0.030≤0.03019.50-22.009.00-11.00≤0.75≤0.75ER309H1Cr24Ni13≤0.120.30-0.601.00-2.50≤0.030≤0.03023.00-25.0012.00-14.00≤0.75≤0.75ER309L-≤0.0300.30-0.601.00-2.50≤0.030≤0.03023.00-25.0012.00-14.00≤0.75≤0.75ER310H1Cr26Ni210.08-0.150.30-0.601.00-2.50≤0.030≤0.03025.00-28.0020.00-22.50≤0.75≤0.75ER316H0Cr19Ni12Mo2≤0.080.30-0.601.00-2.50≤0.030≤0.03018.00-20.0011.00-14.002.00-3.00≤)