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AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TWB WELDING CHARACTERISTICS, HOT FORMING MEMBER, AND MANUFACTURING METHODS THEREFOR
AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TWB WELDING CHARACTERISTICS, HOT FORMING MEMBER, AND MANUFACTURING METHODS THEREFOR
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机译:用于热成型的Al-FE合金钢板,具有出色的TWB焊接特性,热成型件及其制造方法
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摘要
One preferred aspect of the present invention provides: an Al-Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics since excellent hardness uniformity of a TWB weld zone after hot forming is obtained by suitably controlling a batch annealing condition, after plating Al, such that an Al-Fe-alloy layer is formed; a hot forming member; and manufacturing methods therefor.
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