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Surface quality classes for hot-rolled bars and wire rod
Standard in brief
Scope of Application:
本文件规定了热轧棒材和盘条表面质量等级的订货和标记、要求、试验、修整。
本文件适用于公称尺寸为5 mm~200 mm的热轧棒材和盘条(以下简称钢材)的表面质量等级。其他公称尺寸的热轧棒材和盘条参照执行。
本文件适用于工程和结构用钢,其他用途产品参照执行。
当热轧棒材和盘条的产品标准对表面质量有要求时,执行产品标准。
Basic information
Standard No:GB/T 28300-2025
Standard Name:热轧棒材和盘条表面质量等级
English Name:Surface quality classes for hot-rolled bars and wire rod
Standard Status:现行
Release Date:2012-05-11
Effective Date:2026-03-01
Language of Publication:中文简体
Standard Classification
ICS Number:77.140.60
CCS Number:H40
Related Standards
Referenced Standards:GB/T 239.1,GB/T 239.2,YB/T 5293
Adopted Standards:ISO 9443:2018
Adopted Standard Name:《热轧棒材和盘条表面质量等级》
Adoption Level:MOD
Publication Information
Number of pages:16
Number of words:19 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-08-01
Standard Revision Information
Has Amendment:No
Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:28300
Drafter:唐牧、晁月林、常志刚、李军、宫翠、王心禾、林滔、熊化冰、刘政鹏、刘美伶、陈振勇、徐士新、颜丞铭
Drafting Organization:首钢集团有限公司、青岛特殊钢铁有限公司、吕梁建龙实业有限公司、江苏省镔鑫 钢铁集团有限公司、冶金工业信息标准研究院
Management Organization:全国钢标准化技术委员会(SAC/TC 183)
Proposing Department:中国钢铁工业协会