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STUDY ON EFFECT OF TEMPERING TEMPERATURE ON PROPERTIES OF Q685 LOW CARBON BAINITE STEEL
Author(s): 
Pages: 12-13,25
Year: Issue:  5
Journal: Henan Metallurgy

Keyword:  Q685性能;
Abstract: 通过对热轧低碳贝氏体钢Q685不同温度的回火工艺处理,研究了强度、延伸率、冲击性能以及微观组织的变化.结果表明,回火温度对Q685钢的性能产生明显影响.当回火温度为650℃时,屈服强度和抗拉强度分别达到758 MPa和835 MPa,延伸率达到30%,明显高于热轧后的试样;而随回火温度逐渐增加到720℃,性能则显著降低.
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