GB/T 3990-1983
abolished_transferred
YB/T 4271-2025
Active
Industry standards-Black metallurgy
YB/T 4271-2025
YB/T 4271-2025
Basic Information
Standard Code:
YB/T 4271-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mineral processing reagents
ICS Name:
Other steel products
Publish Date:
2025-07-02
Implement Date:
2026-02-01
Publisher:
工业和信息化部
Technical Committee:
全国钢标准化技术委员会
Development Information
Replace the following standards
Related Standards
GB/T 3991-1983
abolished_transferred
GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders
GB/T 3992-1983
abolished_transferred
GB/T 3992-1983 Nickel-coated chromium composite powders
GB/T 3993-1983
abolished_transferred
GB/T 3993-1983 Nickel-coated copper composite powders
GB/T 11072-1989
Replaced
GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices
GB/T 2073-1993
abolished_transferred