GB/T 12770-2025

Active

Welded stainless steel tubes for mechanical structures

机械结构用不锈钢焊接钢管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
现行
Issue Date
2025-08-29
Implementation
2026-03-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A