GB/T 45781-2025

Active

Seamless steel tubes for mechanical structures

结构用机加工无缝钢管

Standard Type
GBT
ICS
77.140.75
CCS
H 48
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