CO2氣體保護焊絲 CO2氣體保護焊絲系列 CO2 GAS SHIELDED WELDING WIRE 國標型號 GB Standar 相當于 AWS Correspond to AWS 主要用途 Maine Purpose ER49-1 焊接低碳鋼及某些低合鋼結構。 For welding structures of middle carbon steels and low-alloy steels. ER50-3 ER70S-3 用于碳素鋼及低合金鋼的焊接。 For welding of carbon steels and low-alloy steels. ER50-6 ER70S-G 用于碳鋼及500MPa級高強鋼的車輛、建筑、造船、橋梁等結構的焊接。 For welding of carbon steels and 500Mpa high strength steels, used in car, building, ship-building and bridge. ER50-G ER70S-G 用于高速焊接、尤其適宜于薄板焊接。 For high speed welding for thin plates.
