GB/T 241-2025: Metallic materials - Tube - Hydrostatic pressure test

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Scope

This document specifies the principles, test equipment and instruments, specimens, test
requirements, test procedures, evaluation of test results, and test reports for hydraulic pressure
test method of metallic tubes.
This document applies to the compactness and/or strength tests of steel, cast iron, and non-
ferrous metal tubes under the action of internal pressure in a pressure transfer medium.

Basic Data

Standard ID	GB/T 241-2025 (GB/T241-2025)
Description (Translated English)	Metallic materials - Tube - Hydrostatic pressure test
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H23
Classification of International Standard	77.040.10
Word Count Estimation	10,156
Date of Issue	2025-06-30
Date of Implementation	2026-01-01
Older Standard (superseded by this standard)	GB/T 241-2007
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration