GB/T 4227-1984
abolished_transferred
YB/T 4081-2024
Active
Industry standards-Black metallurgy
YB/T 4081-2024 Cold-bent steel for use in wave-shaped railing panels
YB/T 4081-2024
Price:
$ 20.00
Basic Information
Standard Code:
YB/T 4081-2024
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 ordering content, classification, dimensions, appearance, weight, and allowable deviations of cold-bent steel for guardrail wave-shaped beams, as well as technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document applies to cold-bent steel for guardrail wave-shaped beams produced on continuous roll cold-bending machines from cold-rolled or hot-rolled steel strips that can be cold-processed and deformed. This document does not apply to cold-bent steel produced by stamping, bending, and other methods.
Development Information
Replace the following standards
YB/T 4081-2007
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