This document specifies the order content, dimensions, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking, storage and quality certification for welded steel pipes for low pressure fluid delivery. This document applies to straight-seam high-frequency electric welded (HFW) steel pipes, straight-seam submerged-arc welded (SAWL) steel pipes and spiral-seam submerged-arc welded (SAWH) steel pipes for low pressure fluid delivery of water, air, steam and gas, as well as galvanized steel pipes (hereinafter referred to as “steel pipes”).
Basic Data
Standard ID
GB/T 3091-2025 (GB/T3091-2025)
Description (Translated English)
Welded steel pipes for low pressure fluid delivery
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H48
Classification of International Standard
77.140.75
Word Count Estimation
22,236
Date of Issue
2025-03-28
Date of Implementation
10/1/2025
Older Standard (superseded by this standard)
GB/T 3091-2015
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
