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Effect of chemical composition of extra low carbon bake hardening steel on its properties
Author(s): 
Pages: 59-62
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  烘烤硬化钢成分体系BH值时效特性;
Abstract: 研究了不同成分体系超低碳烘烤硬化钢的性能特征,生产结果表明:Ti-BH钢屈服强度和BH值较低,伸长率和"值富裕量较大,并且BH值波动较大.通过对不同成分体系钢板的微合金化原理进行分析,确定了不同成分体系烘烤硬化钢性能不同的原因,并据此将烘烤硬化钢的成分体系由Ti-ULC改为Nb+Ti复合体系.更改后的烘烤硬化钢性能指标完全满足技术要求,并且大大提高了BH值的稳定性水平.室温时效实验表明,钢板抗室温...
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