GB/T 6728-2025 Active
GB/T 6728-2025 Cold forming sectional steel for general structure
Abstract
This document specifies the ordering content, classification, code, technical requirements, inspection rules, packaging, marking, transportation, storage, and quality certificates of structural cold-bent steel (hereinafter referred to as "steel section"), and describes the corresponding test methods.
This document is applicable to general cold-bent open-section steel (hereinafter referred to as "open-section steel"), round, rectangular, and square cold-bent closed-section steel (hereinafter referred to as "closed-section steel") produced by continuous roll cold-bending units from cold-rolled or hot-rolled steel plates and steel strips, and also applicable to continuous hot-dip galvanized steel sections (hereinafter referred to as "galvanized steel sections").
This document is not applicable to steel sections formed by cold-bending and welding of galvanized steel plates and steel strips.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 6728-2025 |
| CCS | Steel shapes and special-shaped steel |
| ICS | Steel sections |
| Implement Date | 2026-03-01 |