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Resistance early white rusted Characteristic is superior the melting Zn alloy plated steel sheet
Resistance early white rusted Characteristic is superior the melting Zn alloy plated steel sheet
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机译：耐早白锈的特性优于熔融锌合金镀层钢板
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摘要
PROBLEM TO BE SOLVED: To produce a galvannealed steel sheet excellent in initial white rust resistance by forming a galvannealing layer contg. specified ratios of Mg, Al and Ni on the surface of a steel sheet. ;SOLUTION: A galvanizing layer contg., by weight, 0.05 to 3% Mg, 0.1 to 1% Al, 0.01 to 0.2% Ni, and the balance Zn with inevitable impurities is formed on the surface of a steel sheet. Furthermore, the coating weight of the galvannealing layer is preferably regulated to about ≥10g/m2 from the viewpoint of corrosion resistance and to about ≤350g/m2 from the viewpoint of workability. Thus, the galvannealed steel sheet excellent in initial white rust resistance can be obtd.;COPYRIGHT: (C)1997,JPO
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机译：解决的问题：通过形成连续的镀锌退火层来制造初始耐白锈性优异的镀锌钢板。钢板表面上规定的Mg，Al和Ni比例。 ;解决方案：在钢板表面上形成了一层镀锌层，按重量计包含0.05％至3％的Mg，0.1％至1％的Al，0.01％至0.2％的Ni和余量的Zn和不可避免的杂质。另外，从耐蚀性的观点出发，优选将镀锌层的涂层重量规定为≥10g/ m 2 ，从观点出发优选为≤350g/ m 2 。的可操作性。因此，可以得到初始耐白锈性优异的镀锌钢板。版权所有：（C）1997，日本特许厅
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