GB/T 3206-1982
abolished_transferred
GB/T 12773-2021
Active
National standards
GB/T 12773-2021 Valve steel and superalloy bars for internal combustion engines
GB/T 12773-2021 Valve steel and superalloy bars for internal combustion engines
Basic Information
Standard Code:
GB/T 12773-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Steel shapes and special-shaped steel
ICS Name:
\nSteel rods and steel bars
Publish Date:
2021-05-21
Implement Date:
2021-12-01
Pages:
15 pages
Scope
This document specifies the definitions and terminology, classification, order content, dimensions, shape and weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for steel and alloys used in internal combustion engine valves. This document is applicable to the manufacture of hot-rolled and forged rods with a diameter not exceeding 120 mm, and cold-drawn steel, bright-annealed steel, alloy rods, and wire rods with a diameter not exceeding 35 mm for internal combustion engine valves.
Development Information
Replace the following standards
Adopt standards
ISO 683-15:1992
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