GB/T 3206-1982
abolished_transferred
GB/T 28300-2025
Active
National standards
GB/T 28300-2025 Surface quality classes for hot-rolled bars and wire rod
GB/T 28300-2025 Surface quality classes for hot-rolled bars and wire rod
Basic Information
Standard Code:
GB/T 28300-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Iron and steel products
ICS Name:
\nSteel rods and steel bars
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国钢标准化技术委员会(SAC/TC 183)
Pages:
16 pages
Scope
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。
Development Information
Drafting Units:
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
Drafting Persons:
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
Replace the following standards
Referenced Standards
GB/T 239.1-2012 Metallic materials—Wire—Part 1:Simple torsion test
GB/T 239.1-2023 Metallic materials—Wire—Part 1:Simple torsion test
GB/T 239.2-2012 Metallic materials—Wire—Part 2:Reverse torsion test
GB/T 239.2-2023 Metallic materials—Wire—Part 2:Reverse torsion test
YB/T 5293-2022 YB/T 5293-2022 Metal material top-end forging test method
YB/T 5293-2014 YB/T 5293-2014 Metallic materials - Top-fusing test method
YB/T 5293-2006 Metallic materials-Forging test
Adopt standards
ISO 9443:2018
Related Standards
GB/T 3522-1983
Active
GB/T 3522-1983 Cold-rolled quality carbon structural steel strips
GB/T 4226-1984
Replaced
GB/T 4226-1984 Cold finished stainless steel bars
GB/T 4241-1984
Replaced
GB/T 4241-1984 Stainless steel wire rods for welding
GB 4463-1984
Replaced
GB 4463-1984 Heat-treated steel bar for prestressed concrete
GB/T 3082-1984
Replaced