GB/T 21832.1-2018: Welded austenitic-ferritic (duplex) stainless steel tubes and pipes - Part 1: Tubes for heat exchanger

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Scope

This Part of GB/T 21832 specifies the ordering content, dimensions, shape, weight,
technical requirements, test methods, inspection rules, packaging, marking and quality
certification for welded austenitic-ferritic (duplex) stainless steel tubes for heat
exchangers.
This Part applies to welded austenitic-ferritic (duplex) stainless steel tubes for heat
exchangers (hereinafter referred to as steel tubes).

Basic Data

Standard ID	GB/T 21832.1-2018 (GB/T21832.1-2018)
Description (Translated English)	Welded austenitic-ferritic (duplex) stainless steel tubes and pipes - Part 1: Tubes for heat exchanger
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H48
Classification of International Standard	77.140.75
Word Count Estimation	11,178
Date of Issue	2018-05-14
Date of Implementation	2019-02-01
Older Standard (superseded by this standard)	GB/T 21832-2008����
Regulation (derived from)	National Standards Announcement No. 6 of 2018
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration