Standard No.:	GB 241-1990
English Name:	Method tubes-Hydrostatic pressure testing
Chinese Name:	金属管液压试验方法
Chinese Classification:	H23    Metal processing property test method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.10 77.040.10    Mechanical testing of metals 77.040.10
Issued by:	China Steel Industry Association
Issued on:	1990-07-21
Implemented on:	1991-7-1
Status:	superseded
Superseded by:	GB/T 241-2007 Metal materials—Tube—Hydrostatic pressure test
Superseded on:	2008-2-1
Abolished on:	2008-02-01
Superseding:	GB 241-1982
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	20.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard describes the test principle and terms and definitions for hydrostatic pressure testing of metal tubes, and specifies the test equipment and instruments, test result assessment and test report. This standard is applicable to hydrostatic pressure testing for steel, cast iron and non-ferrous metal tubes under normal temperature, and is used to inspect the quality and strength of metal tube and show its defect(s). 2 Test Principle Keep the metal tube under the specified test pressure and pressure transmission medium for a certain period, and inspect the strength and leakage of base metal and weld of metal tube. 3 Terms and Definitions

Foreword I 1 Subject Content and Application Scope 2 Test Principle 3 Terms and Definitions 4 Test Equipment and Instruments 5 Test Method 6 Test Result Assessment 7 Test Report Annex A Maximum Test Pressure (Informative Reference)