304跟碳钢氩弧焊用什么焊丝(304焊接用什么焊丝)

304不锈钢和碳钢焊接用什么焊丝如图所示：焊丝：ASTM。A240（ChromiumandChromium-NickelStainlessSteelPlate板材,Sheet片材,andStrip带材forPressureesselsandforGeneralAppli...