杭钢20Cr2Ni4圆钢首试生产获成功。20Cr2Ni4钢为高强度合金渗碳钢,具有良好的综合力学性能,主要用作强度要求较高的渗碳及调质结构件,如重型汽车齿轮等。该钢种具有较大的利润空间,市场前景广阔。杭钢20Cr2Ni4圆钢首试生产获成功 Hangzhou Steel 20Cr2Ni4 first round of successful trial production. 20Cr2Ni4 steel is high-strength alloy carburized steel, has good comprehensive mechanical properties, mainly used for carburizing and quenched and tempered structural members with higher strength requirements, such as heavy duty vehicle gears. The steel has a larger profit margins, the market prospects. Hangzhou Steel 20Cr2Ni4 first round of successful trial production