国外气门弹簧线材实物质量分析

综合比较和分析国外著名厂家所生产的气门弹簧线材的化学成分、力学性能、金相组织、非金属夹杂物、尺寸公差及表面质量,结果显示:日本神户生产的气门弹簧线材的质量最优,无论是纯净度、线材的微观组织和夹杂物的控制水平,还是线材的表面质量与尺寸精度等,神户线材的质量与其市场占有量领先的地位都是吻合的,为国内气门弹簧线材的研发生产提供有益参考。

Practicality Quality Analysis of Overseas Steel Wire Rod for Valve Spring

To synthetically compare and analyze the chemical composition,mechanical properties,microstructure,non-metallic inclusions,size tolerance and surface quality of steel wire rod for valve springs produced by overseas famous factories.The result shows that the quality of steel wire rod made by Japan Kobe is optimum,whether the purity,microstructure of wire rod and control level of inclusions,or surface quality and size precision of wire rod,the lead position of Kobe wire rod quality and its possession quantity in market are all right,which offers profitable reference for development and production of domestic wire rod for valve springs.