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EXTREMELY-LOW-CARBON STEEL SHEET EXCELLENT IN SPOT WELDABILITY
EXTREMELY-LOW-CARBON STEEL SHEET EXCELLENT IN SPOT WELDABILITY
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机译：极低碳钢薄板具有出色的点焊性
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摘要
PROBLEM TO BE SOLVED: To provide a steel sheet which is excellent in spot weldability without worsening its formability.;SOLUTION: The extremely-low-carbon steel sheet comprises, by mass%, 0.0005-0.003% C, ≤0.1% Si, ≤0.5% Mn, ≤0.05% P, ≤0.02% S, ≤0.01% Al, ≤0.005% N, 0.001-0.01% O (oxygen), La and/or Ce, provided that the total amount of La and/or Ce satisfies the relation: La+Ce≥S/4, and the balance being Fe and unavoidable impurities.;COPYRIGHT: (C)2005,JPO&NCIPI
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机译：要解决的问题：提供一种在点焊性方面优异而又不降低其成形性的钢板。解决方案：极低碳钢板的质量百分比为0.0005-0.003％，Si含量为0.1％， ≥0.5％Mn，≤0.05％P，≤0.02％S，≤0.01％Al，≤0.005％N，0.001-0.01％O（氧气），La和/或Ce，前提是总量La和/或Ce的含量满足以下关系：La + Ce＆ge; S / 4，其余为Fe和不可避免的杂质。;版权所有：（C）2005，JPO＆NCIPI
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