GALVANIZED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
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United States of America
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Jan 23, 2020
app pub date -
Feb 1, 2018
filing date -
Feb 1, 2018
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Abstract
There is provided a high-strength galvanized steel sheet and a relatively low-strength galvanized steel sheet that undergoes complex forming, a galvanized steel sheet that exhibits consistently excellent press formability and that generates no hazardous fumes during welding as well as a manufacturing method therefor. The galvanized steel sheet has an oxide layer on the surface, where the oxide layer has an average thickness of 20 nm or more, and the oxide layer contains 30 mg/m2 or more of Zn, 1.0 mg/m2 or more of S, and 50 mg/m2 or more and 1,000 mg/m2 or less of polyethylene particles having an average particle size of 5.0 μm or less.
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