GB/T 4227-1984
abolished_transferred
YB/T 4621-2017
Active
Industry standards-Black metallurgy
YB/T 4621-2017 Weathering hot-rolled H-beam
YB/T 4621-2017 Weathering hot-rolled H-beam
Basic Information
Standard Code:
YB/T 4621-2017
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:
2017-07-07
Implement Date:
2018-01-01
Pages:
7 pages
Scope
This standard specifies the terms and definitions of weather-resistant hot-rolled H-section steel, the method of designating steel grades, the content of orders, dimensions, shapes, weights, and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This standard applies to hot-rolled H-section steel with weather-resistant properties (hereinafter referred to as H-section steel).
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