GB/T 45779-2025

Active

Welded shaped steel tubes for structure

结构用焊接异型钢管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
现行
Issue Date
2025-06-30
Implementation
2026-01-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A