轴承钢碳化物评级标准对比研究

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中图分类号：TG142.1 文献标识码：B 文章编号：1003-0514（2025）05-0008-04

Comparative study on carbide rating standards for bearing steel

WangKun，ShenDongyao，YeHuili，LiNian （Jiangsu ProductQuality Testing& Inspection Institute，Nanjing 21OO7，Jiangsu，China）

Abstract：This paper conducts a comparative analysis of several common carbide rating standards for bearing steel， including GB/T18254-2016，SEP1520-1998，ISO 5949-1983，etc.Itelaborateson their respective characteristicsand diferences in terms of applicationscope，sampling methods，heattreatment systems，rating methodsand chromatogram Settings.Theifluenceofdiferentstandardsonthequalityassessmentofbearingsteelwasalsodiscussd.Finalyrelevant suggestionswereputforward，withtheexpetationofprovidingatheoreticalbasisfortheinspectionandqualitycontrolof bearing steel.

Key words：carbideof bearing steel；rating standard；performance evaluation；standard diference；qualitycontrol

1引言

轴承钢广泛应用于机械、航空及轨道交通领域，其性能依赖于基体中碳化物的均匀性。（剩余3518字）