随着建筑钢材的用量逐渐增多,钢材的质量问题也越来越多,提高20MnSiNb性能很有必要。文章从生产工艺、铁素体晶粒度、金相组织、化学成分、重量负偏差和夹杂物等几方面分析了对20MnSiNb性能的影响,并提出了相应的改进措施,从而提高了钢的性能。
Effects of production progress ;grain size ;microstructure;weight minuswindage, chemical composition nonmetallic inclusion on properties of 20MnSiNb steel were studied. And bring forward ameliorate measure. Than product quality was improved.
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