S 311斯米克焊丝 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、***弧焊用。不宜用高镁合金 ER4043 PP-R807耐热钢焊条 PP-TIG-J50电力焊丝 德国蒂森WB36焊条 ***51***焊条 ARCFCW9066耐磨焊丝 HB-YD467耐磨焊丝