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60高碳硬线钢的生产实践

Yunnan Metallurgy(2014)

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Abstract
对国内某钢厂60高碳硬线钢生产情况进行了介绍,对60高碳钢铸坯低倍组织、盘条力学性能、显微组织及夹杂物进行了检验分析.结果表明:60高碳钢铸坯低倍缺陷级别≤1.0级,低倍组织缺陷少且尺寸小,有利于轧材性能的稳定控制和塑韧性的改善;60高碳钢盘条力学性能优异,强度波动范围小,断面收缩率大于41.5%; 60高碳钢盘条显微组织细小均匀,索氏体含量80%~90%,夹杂物数量少、尺寸小,B、D、Ds类氧化物夹杂≤1.0级,有利于盘条拉拔性能的改善.
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