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Experimental Study of Low Yield Ratio Fire Resistant Steel of 60kg/mm2 Grade
Author(s): 
Pages: 10-13
Year: Issue:  5
Journal: WIDE AND HEAVY PLATE

Keyword:  耐火钢低屈强比高温强度;
Abstract: 对一种低屈强比建筑用耐火钢进行实验研究,介绍了实验钢的化学成分、实验工艺、力学性能等,重点论述了合金元素、组织等对钢的屈强比、高温强度的影响.结果表明,该钢具有良好的综合机械性能,组织为铁素体基体加贝氏体第二相,因此获得低的屈强比.合金元素Cr、Mo、Nb等的加入有效地提高了钢的高温性能.
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