GB/T 3091-2015: Welded steel pipes for low pressure liquid delivery

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Scope

This Standard specifies dimension, shape, weight, technical requirements, test
methods, inspection rules, packing, marking and quality certificate of welded steel
pipes for low pressure liquid delivery.
This Standard is applicable to electric-welding longitudinal-seam steel pipe,
submerged arc-welding longitudinal-seam (SAWL) steel pipe and submerged arc-
welding helical-seam (SAWH) steel pipe for low pressure liquid delivery of water, air,
heating steam, fuel gas, etc.; and it makes the marking to their respective different
requirements; non-marking requirements are applicable to high-frequency electric-
welding longitudinal-seam steel pipe, submerged arc-welding longitudinal-seam steel
pipe and submerged arc-welding helical-seam steel pipe.

Basic Data

Standard ID	GB/T 3091-2015 (GB/T3091-2015)
Description (Translated English)	Welded steel pipes for low pressure liquid delivery
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H48
Classification of International Standard	77.140.75
Word Count Estimation	19,130
Date of Issue	2015-09-11
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 3091-2008
Quoted Standard	GB/T 222; GB/T 223.3; GB/T 223.5; GB/T 223.9; GB/T 223.11; GB/T 223.12; GB/T 223.14; GB/T 223.16; GB/T 223.18; GB/T 223.19; GB/T 223.23; GB/T 223.24; GB/T 223.26; GB/T 223.32; GB/T 223.36; GB/T 223.37; GB/T 223.40; GB/T 223.53; GB/T 223.54; GB/T 223.58; GB/T 223.59; GB/T 223.60; GB/T 223.61; GB/T 223.62; GB/T 223.63; GB/T 223.64; GB/T 223.67; GB/T 223.68; GB/T 223.69; GB/T 223.71; GB/T 223.72; GB/T 228.1; GB/T 241; GB/T 244; GB/T 246; GB/T 700; GB/T 1591; GB/T 2102; GB/T 2651; GB/T 2653; GB/T 2975; GB/T 4336; GB/T 7306.2; GB/T 7735-2004; GB/T 20066; GB/T 20123; GB/T 20125; GB/T 21835; SY/T 6423.1-2013; SY/T 6423.2-2013
Adopted Standard	ISO 559-1991, NEQ
Regulation (derived from)	National Standard Announcement 2015 No.25
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the low pressure liquid delivery welded steel pipe size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certification. This Standard applies to water, air, heating steam and gas and other low pressure fluid with a straight seam welded steel pipe, LSAW (SAWL) steel pipes and spiral submerged arc welded (SAWH) steel, and their different requirements are made the label, unlabeled applies to both high-frequency straight seam welded steel pipe, LSAW steel pipe and spiral submerged arc welded pipe.