在工程机械行业处于快速发展的大环境下，2010年，随着首钢迁钢公司进口强力开平机组调试完毕，首钢具备了生产屈服强度700MPa级高强工程机械用钢开平板的设备条件，随即启动了在中联重科的认证工作。针对中联重科SQ700MCD供货技术条件要求，依托迁钢公司2250和1580热轧生产线及强力开平机组，设计了合理的成分体系和生产工艺，开发出了具有良好塑韧性和焊接性能的SQ700MCD高强工程机械用钢，并实现对中联重科稳定批量供货。Tag:热轧板卷价格,6.5mm热轧板卷。
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