S221斯米克焊丝
S221斯米克焊丝S 221斯米克焊丝
Cu60 Sn1 Si0.3
Zn Rem.
Melting point is about 890℃. Gas welding and carbon arc welding of brass, also braze welding of copper, steel and cast iron.
熔点约890℃。黄铜气焊及碳弧焊用，也可钎焊铜、钢、铸铁
S 221F斯米克焊丝
Cu60 Sn1 Si 0.3
Zn Rem.
S221 welding rod coated with flux.
外涂焊剂的S221焊丝
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