備注:一口價為一公斤的價格
S?331
Mg5?Mn0.4Al?Rem.
Corrosion?resistance?and?high?strength.?Argon?arc?welding?of?aluminum?alloys.耐蝕,強度高。鋁合金氬弧焊用
ER5183
品牌:上海斯米克