By means of effective measures such as composition design,superheating degree and secondary cooling water control in continuous casting,rolling process optimization during the production of 27MnTiBM wear resistant steel plate, Laigang achieves narrow hardenability zone control within HRC5.%莱钢在27MnTiBM耐磨钢板生产中,通过化学成分设计、连铸过热度及二冷水控制、轧制工艺优化等有效措施,实现了27MnTiBM耐磨钢板的窄淬透性控制,淬透性带宽控制在HRC5以内.
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