GB/T 31940-2025

Active

Bi-metal composite steel pipes for fluid transportation

输送流体用双金属复合钢管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
现行
Issue Date
2025-08-01
Implementation
2026-02-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A