GB/T 4227-1984
abolished_transferred
YB/T 6439-2026
Pending
Industry standards-Black metallurgy
YB/T 6439-2026 Stainless steel pre-embedded channel。
YB/T 6439-2026 Stainless steel pre-embedded channel。
Price:
$ 20.00
Basic Information
Standard Code:
YB/T 6439-2026
Standard Type:
Industry standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
Iron and steel products
ICS Name:
Steel sections
Publish Date:
2026-04-16
Implement Date:
2026-11-01
Scope
This document specifies the product models, materials, processing and manufacturing requirements, product quality requirements, inspection rules and methods, as well as marking, packaging, transportation, storage, etc. of stainless steel pre-embedded grooves. This document is applicable to stainless steel pre-embedded grooves used in infrastructure projects such as rail transit and urban comprehensive pipe galleries
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