S 227 铜焊丝
S227Cu58Sn0.9Ni0.5Si0.1Fe0.8ZnRem.Meltingpointisabout880℃.Gasweldingandcarbonarcweldingofbrass,alsobrazeweldingofcopper,steelandcastiron.熔点880℃。黄铜气焊及碳弧焊用,也可钎焊铜、钢、铸铁RBCuZn-B)
上海斯米克焊接材料有限公司
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