GB/T 4227-1984
abolished_transferred
YB/T 6251-2024
Active
Industry standards-Black metallurgy
YB/T 6251-2024
YB/T 6251-2024
Basic Information
Standard Code:
YB/T 6251-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Steel shapes and special-shaped steel
ICS Name:
Steel sections
Publish Date:
2024-10-24
Implement Date:
2025-05-01
Scope
This document specifies the method of designating the grades of hot-rolled H-section steel used for buckling-restrained bracing, the content of orders, dimensions, shapes, weights, and allowable deviations, technical requirements, testing methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to the manufacture of low yield strength hot-rolled H-section steel used in energy-saving structural components such as earthquake resistance and shock absorption in buildings.
Development Information
Related Standards
GB 702-1986
Abolished
GB 702-1986 Hot-rolled round and square steels—Dimension, shape, weight and tolerance
GB/T 6723-1986
Replaced
GB/T 6723-1986 Cold forming sectional steel—Open sectional steel for general structure—Demension, form, weight and permissible deviations
GB/T 6726-1986
Replaced
GB/T 6726-1986 Cold forming sectional steel for cargo vehicle—Demension, form, weight and permissible deviations
GB/T 6727-1986
Replaced
GB/T 6727-1986 Cold forming sectional steel for passenger vehicle—Demension, form, weight and permissible deviations
GB/T 8649-1988
Abolished