Hot-dip zinc alloy coated steel products
AssigneeNippon Soda Co., Ltd.
InventorsTakehiro Isobe, Tatsuji Hashimoto
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Abstract
Hot-dip zinc alloy coated steel products coated with a Zn-Al-Si-Mg alloy having a composition of between 3.5 and 5.0 wt % aluminum, between 0.02 and 0.5 wt % silicon, between 0.01 and less than 0.05 wt % magnesium, and remainder zinc with unavoidable impurities.
Claims3
A zinc alloy coated steel product coated with a Zn-Al-Si-Mg alloy having a composition consisting of between 3.5 and 5.0 wt% aluminum, between 0.02 and 0.5 wt% silicon, between 0.01 and less than 0.05 wt% magnesium and remainder zinc and unavoidable impurities, said product being capable of withstanding, after exposure to saturated steam for three days at 98.degree. C., a 2T bending test without cracking and a tape test without peeling.
Dependencies are inferred from the claim text.