Q420NQR1耐大气腐蚀热轧H型钢性能稳定化控制
Science & Technology of Baotou Steel(Group) Corporation(2018)
Abstract
文章介绍了包钢生产的Q420NQR1轧制H630 mm×200 mm×15 mm×20 mm的H型钢时,存在组织异常、低温冲击韧性波动的情况,通过对成分及轧制工艺的优化,消除了异常组织,组织均匀性有了较大提高,低温冲击韧性波动得到了有效控制.
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