GB/T 2521-1996
Replaced
GB/T 2521.2-2025
Active
National standards
GB/T 2521.2-2025 Cold-rolled electrical steel delivered in the fully-processed state—Part 2:Grain-oriented steel strip(sheet)
GB/T 2521.2-2025 Cold-rolled electrical steel delivered in the fully-processed state—Part 2:Grain-oriented steel strip(sheet)
Basic Information
Standard Code:
GB/T 2521.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's steel
ICS Name:
Special magnetic steel
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:
24 pages
Scope
本文件规定了公称厚度为0.18 mm、0.20 mm、0.23 mm、0.27 mm、0.30 mm、0.35 mm双面涂有绝缘涂层的冷轧晶粒取向电工钢带（片）的分类，符号与牌号，一般要求，技术要求，检验和试验，判定与复验规则，包装、标志及质量证明书、订货内容。
本文件适用于全工艺状态供货、在磁路结构中使用的冷轧晶粒取向电工钢带（片）［以下简称“钢带（片）”］。
Development Information
Drafting Units:
宝山钢铁股份有限公司、冶金工业信息标准研究院、首钢智新电磁材料(迁安)股份有限公司、湖南华菱涟源钢铁有限公司、鞍钢集团北京研究院有限公司、无锡普天铁心股份有限公司、首钢集团有限公司、武汉钢铁有限公司、中国电力科学研究院有限公司、东方电气集团东方电机有限公司、重庆望变电气(集团)股份有限公司
Drafting Persons:
胡卓超、李国保、朱敏、张维旭、司良英、赵丁藏、刘旭明、王向阳、赵鹏飞、郭小龙、韩钰、石国发、范刚强、杨勇杰、李倩、高倩、谢凯、王丽慧、薛慧、刘君、马光、土比木乃、章华兵、胡聆、孙梦寒、田子健、顾林豪、程灵、邹红
Replace the following standards
Referenced Standards
GB/T 247-1997 General rule of acceptance, package, mark and certification for steel plates(sheets) and strips
GB/T 247-2008 General rule of package,mark and certification for steel plates(sheets)and strips
GB/T 247-2025 General rules of package, mark and certification for steel plate, sheet and strip
GB/T 2522-1988 Magnetic sheet and strip—Methods of measurement of interlamination resistance and lamination factor and coat adhesiveness
GB/T 2522-2007 Methods of test for the determination of surface insulation resistance and lamination factor of electric sheet and strip
GB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheet
GB/T 2900.60-2002 Electrotechnical terminology—Electromagnetism
GB/T 3655-2000 Methods of measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame
GB/T 3655-2008 Methods of measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame
GB/T 3655-2022 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an epstein frame
GB/T 9637-2001 Electrotechnical terminology— Magnetic materials and components
GB/T 13789-2022 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of a single sheet tester
GB/T 17505-1998 Steel and steel products General technical delivery requirements
GB/T 17505-2016 Steel and steel products—General technical delivery requirements
GB/T 18253-2000 Steel and steel products—Types of inspection documents
GB/T 18253-2018 Steel and steel products—Types of inspection documents
GB/T 19289-2003 Methods of measurement of density, resistivity and stacking factor of electrical steel sheet and strip
GB/T 19289-2019 Methods of measurement of resistivity,density and stacking factor of electrical steel strip and sheet
YB/T 4292-2012 The geometric characteristics testing method for electrical steel strip (sheet) is provided
YB/T 4731-2019 The method of repeated bending test for electrical steel strips
Adopt standards
IEC 60404-8-7:2020
Related Standards
GB/T 17951.2-2002
Replaced
GB/T 17951.2-2002 Cold-rolled grain non-oriented electrical steel strip (sheet) delivered in the semi-processed state
GB/T 19345-2003
Replaced
GB/T 19345-2003 Amorphous and nanocrystalline soft magnetic alloy strips
GB/T 911-2004
Replaced
GB/T 911-2004 Dimensions,shapes,weight and tolerances for hot-rolled tool flat steels
GB/T 2521-2008
Active
GB/T 2521-2008 Cold-rolled grain-oriented and non-oriented electrical steel strip(sheet)
GB/T 6983-2008
Replaced