GB/T 4478-1995
Replaced
GB/T 31439.2-2025
Active
National standards
GB/T 31439.2-2025 Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam guardrail
GB/T 31439.2-2025 Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam guardrail
Price:
$ 68.00
Basic Information
Standard Code:
GB/T 31439.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Highway engineering
ICS Name:
Road equipment and devices
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Pages:
36 pages
Scope
This document specifies the naming, composition, models, specifications, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage requirements for three-wave beam steel guardrails.
This document is applicable to the production and inspection of all components of three-wave beam steel guardrails.
Development Information
Same series standard
Replace the following standards
Referenced Standards
GB/T 699-1999 Quality carbon structural steels
GB/T 699-2015 Quality carbon structure steels
GB/T 700-2006 Carbon structural steels
GB/T 3077-1999 Alloy structure steels
GB/T 3077-2015 Alloy structure steels
GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts
GB/T 3103.3-2020 Tolerances for fasteners—Plain washers
GB/T 6728-2002 Cold formed steel hollow sections for general structure—Dimensions,shapes,weight and permissble deviations
GB/T 6728-2017 Cold forming hollow sectional steel for general structure
GB/T 6728-2025 Cold forming sectional steel for general structure
GB/T 18226-2000 Specification for steel components anticorrosion of highway traffic engineering appurtenances
GB/T 18226-2015 Specification for steel component anticorrosion of highway engineering
GB/T 18226-2025 Specification for steel component anticorrosion of highway traffic engineering
GB/T 31439.1-2025 Corrugated sheet steel beams for road guardrail—Part 1:W-beam guardrail
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