ER409Cb不锈钢焊丝ER409Cb焊丝型号报价图片。 ER409Cb不锈钢焊丝ER409Cb焊丝价格报价AWSYB5092-2005焊丝化学成分(%)用 途CSiMnPSCrNiMoCu其它ER307H1Cr21Ni9Mn4Mo0.04-0.140.30-0.653.3-4.75≤0.030≤0.03019.5-22.08.0-10.70.5-1.5≤0.75用于装甲、集装箱的焊接ER308H08Cr21Ni10Si≤0.080......