ER70S-6是什么牌号

这是焊丝的一种牌号。对应的国内焊丝牌号是：GB ER50-6，对应的国外牌号还有：相当: DIN SG2，BS A18，JIS YGM12。

焊丝：

焊丝是作为填充金属或同时作为导电用的金属丝焊接材料。在气焊和钨极气体保护电弧焊时，焊丝用作填充金属;在埋弧焊、电渣焊和其他熔化极气体保护电弧焊时，焊丝既是填充金属。同时焊丝也是导电电极。焊丝的表面不涂防氧化作用的焊剂。

材料牌号: ER70S-6
标准：ASME SFA-5.18 气体保护焊用碳钢焊丝和填充丝标准
国家与地区：USA
钢组：焊接填充材料
注释：Suitable shielding gases: MAG-process 100 % CO2, Ar + 18 % CO2, CO2 +Ar + O2 (C1, M21, M22-M33 according to EN 439); TIG-process Ar (I1 according to EN 439);
Application: Solid copper coated welding wire for welding in gas shielding atmospheres. Suitable for welding unalloyed steels with tensile straight below 530 N/mm2 like boiler plate, fine-grained steels, pipe steels, shipbuilding steels and cast steels. Unalloyed steels: DIN St 33 to St 60.2; Fine-grained steels: DIN StE 255 to StE 355, W StE 255 to W StE 355; Boiler and vessel plate: DIN H I, H II, 17Mn4, 19Mn5; Pipe steels: DIN St 35 to St 52.4, E St E 210.7 to St E 360.7; Shipbuilding steels: DIN A, B, D, E; Cast steel: DIN GS 38 to GS 52;