GB/T 3206-1982
abolished_transferred
YB/T 6447-2026
Pending
Industry standards-Black metallurgy
YB/T 6447-2026 Non-quenched and tempered dual-phase cold heading steel wire rod for high-strength fasteners
YB/T 6447-2026 Non-quenched and tempered dual-phase cold heading steel wire rod for high-strength fasteners
Price:
$ 20.00
Basic Information
Standard Code:
YB/T 6447-2026
Standard Type:
Industry standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
Steel shapes and special-shaped steel
ICS Name:
\nSteel rods and steel bars
Publish Date:
2026-04-16
Implement Date:
2026-11-01
Scope
This document specifies the terms and definitions, grade designation methods, order content, manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for non-quenched and tempered duplex cold heading steel wire rod used in high-strength fasteners. This document is applicable to the manufacture of high-strength fasteners such as bolts, screws, and studs, and cold heading steel wire with a nominal diameter of 5mm to 28mm.
Development Information
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