GB/T 28417-2023: Carbon bearing steel

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Scope

This document specifies the classification, ordering content, dimensions, shape, weight,
technical requirements, test methods, inspection rules, packaging, marking and quality
certificate of carbon bearing steel.
This document applies to hot-rolled steel bars (hereinafter referred to as steel bars) with
a nominal diameter of 20 mm ~ 150 mm for manufacturing automobile hub bearing
units. Steel bars for other purposes can refer to this document.

Basic Data

Standard ID	GB/T 28417-2023 (GB/T28417-2023)
Description (Translated English)	Carbon bearing steel
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H40
Classification of International Standard	77.140.20
Word Count Estimation	12,115
Date of Issue	2023-11-27
Date of Implementation	2024-06-01
Older Standard (superseded by this standard)	GB/T 28417-2012
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration