研究了一种适合于制造轧机复合衬板的工作层材料,对衬板材料的化学组成、各种合金元素的作用及其加入量、衬板熔炼和轧制工艺进行了深入研究,衬板工作层材料经油淬和中温回火后,硬度大于HRC60,抗拉强度大于1 600 MPa,冲击韧性大于18 J/cm2,断裂韧性大于37 MPa·m0.5.应用于钢管热连轧机架上,耐磨性比堆焊衬板提高1倍以上.
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