311
Si5 Al Rem.
Corrosion resistance, wide range of usage. Gas welding and argon arc welding of aluminum alloys other than high magnesium alloys.
抗裂性好,通用性大。铝合金气焊、氩弧焊用。不宜用高镁合金
ER4043
S 321
Mn1.3 Al Rem.
Good corrosion resistance, weldability and ductility. Gas welding and argon arc welding of aluminum alloys.
良好的耐蚀性、可焊性及塑性。铝合金气焊、氩弧焊用
S 331
Mg5 Mn0.4
Al Rem.
Corrosion resistance and high strength. Argon arc welding of aluminum alloys.
耐蚀,强度高。铝合金氩弧焊用