GB/T 1222-1984
Replaced
GB/T 222-2025
Active
National standards
GB/T 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition
GB/T 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition
Basic Information
Standard Code:
GB/T 222-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Iron and steel products
ICS Name:
\nSteel
Publish Date:
2025-08-29
Implement Date:
2025-12-01
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:
20 pages
Scope
本文件规定了非合金钢、低合金钢、合金钢、不锈钢、耐热钢、变形耐蚀合金和高温合金的成品（包括坯料）的化学成分相对于规定熔炼化学成分界限值的允许偏差，并给出了相关术语的定义。
本文件适用于钢及合金的产品标准和技术协议对成品化学成分允许偏差的规定。
Development Information
Drafting Units:
冶金工业信息标准研究院、抚顺特殊钢股份有限公司、湖南华菱湘潭钢铁有限公司
Drafting Persons:
王琳、颜丞铭、谷强、唐庆军、王心禾、陈庆新、王志、段禹奇
Replace the following standards
Referenced Standards
Related Standards
GB/T 222-1984
Replaced
GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis
GB/T 5216-1985
Replaced
GB/T 5216-1985 Technical requirements for structural steel with specified hardenability bands
GB/T 8731-1988
Replaced
GB/T 8731-1988 Free-cutting steel—Technical requirements
GB/T 8732-1988
Replaced
GB/T 8732-1988 Steels for vane of steam turbine
GB/T 10560-1989
Replaced