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Relationship Among Microstructure and Properties and Heat Treatment Process of Ultra-High Strength X120 Pipeline Steel

The variation of heat treatments including directed quenching and tempering off-line after controlled rolling (DQT) and quenching off-line and tempering off-line after controlled rolling (RQT) with microstructure and mechanical properties of a low-carbon microalloyed steel was compared and analyzed....

关键词: X120 pipeline steel , heat treatment , microstructure , mechanical property , fracture-separation

X120管线钢的试制及其相变规律

郑跃强 , 唐兴昌 , 李积鹏 , 王云平

钢铁研究 doi:10.13228/j.boyuan.issn1001-0963.20140368

在实验室试制了X120管线钢,并绘制了X120管线钢的连续冷却转变曲线.结果表明:热轧态时试验钢的屈服强度平均值为905MPa,抗拉强度平均值为980 MPa,伸长率平均值为17％,屈强比为0.92,-20℃的冲击功平均值为90J.经600℃回火2h后,试验钢的屈服强度平均值达到了950MPa,抗拉...

关键词: X120管线钢 , 组织 , 力学性能 , CCT

出版年份

2012年1篇

刊物分类

中国腐蚀与防护学报1篇

材料期刊网

Relationship Among Microstructure and Properties and Heat Treatment Process of Ultra-High Strength X120 Pipeline Steel

X120管线钢的试制及其相变规律

出版年份

刊物分类

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