Name: CGA C 18 : 2005(R2012)
Brand: CGA

CGA C 18 : 2005(R2012)

Superseded

View Superseded by

METHODS FOR ACOUSTIC EMISSION REQUALIFICATION OF SEAMLESS STEEL COMPRESSED GAS TUBES

Superseded date

04-06-2019

Published date

12-01-2013

Publisher

Compressed Gas Association

1 Introduction
2 Scope
3 Definitions
4 Safety considerations
5 Flaws in gas tubes
6 Operational description
7 Special considerations to obtain valid test
8 Equipment and material
9 Calibration and standardization
10 Tube test procedure
11 Documentation and report
12 AE equipment parameters
13 Secondary inspection
14 Rejection criteria
15 Operator qualifications
16 References
17 Related references
Figures
Appendix A - Parameters for method A and B Acoustic Emission
test
Appendix B - Fracture toughness
Appendix C - Instrumentation specifications

Identifies and describes the various acceptable Acoustic Emission Test (AET) methods that can be used in lieu of hydrostatic test in the water jacket to retest certain tubes as mandated by CFR 49, Part 180, Subpart C and Transport Canada regulations.

DocumentType	Standard
PublisherName	Compressed Gas Association
Status	Superseded
SupersededBy	CGA C 18 ED4 : 2019

CGA H 4 : 2013	TERMINOLOGY ASSOCIATED WITH HYDROGEN FUEL TECHNOLOGIES
UNE-EN ISO 16148:2016	Gas cylinders - Refillable seamless steel gas cylinders and tubes - Acoustic emission examination (AT) and follow-up ultrasonic examination (UT) for periodic inspection and testing (ISO 16148:2016)
15/30309725 DC : 0	BS ISO 19016 - GAS CYLINDERS - CYLINDERS AND TUBES OF COMPOSITE CONSTRUCTION - MODAL ACOUSTIC EMISSION (MAE) TESTING FOR PERIODIC INSPECTION AND TESTING
EN ISO 16148:2016	Gas cylinders - Refillable seamless steel gas cylinders and tubes - Acoustic emission examination (AT) and follow-up ultrasonic examination (UT) for periodic inspection and testing (ISO 16148:2016)
I.S. EN ISO 16148:2016	GAS CYLINDERS - REFILLABLE SEAMLESS STEEL GAS CYLINDERS AND TUBE - ACOUSTIC EMISSION EXAMINATION (AT) AND FOLLOW-UP ULTRASONIC EXAMINATION (UT) FOR PERIODIC INSPECTION AND TESTING (ISO 16148:2016)
CGA C 6.4 : 2012	METHODS FOR EXTERNAL VISUAL INSPECTION OF NATURAL GAS VEHICLE (NGV) AND HYDROGEN GAS VEHICLE (HGV) FUEL CONTAINERS AND THEIR INSTALLATIONS
DIN EN ISO 16148:2016-09	GAS CYLINDERS - REFILLABLE SEAMLESS STEEL GAS CYLINDERS AND TUBES - ACOUSTIC EMISSION EXAMINATION (AT) AND FOLLOW-UP ULTRASONIC EXAMINATION (UT) FOR PERIODIC INSPECTION AND TESTING (ISO 16148:2016)
ISO 16148:2016	Gas cylinders Refillable seamless steel gas cylinders and tubes Acoustic emission examination (AT) and follow-up ultrasonic examination (UT) for periodic inspection and testing
CGA C 20 : 2014	REQUALIFICATION STANDARD FOR METALLIC, DOT AND TC 3-SERIES GAS CYLINDERS AND TUBES USING ULTRASONIC EXAMINATION
13/30247752 DC : 0	BS EN ISO 16148 - GAS CYLINDERS - REFILLABLE SEAMLESS STEEL GAS CYLINDERS AND TUBES - ACOUSTIC EMISSION EXAMINATION (AT) AND FOLLOW-UP ULTRASONIC EXAMINATION (UT) FOR PERIODIC INSPECTION AND TESTING
CGA C 23 : 2018	STANDARD FOR INSPECTION OF DOT/TC 3 SERIES AND ISO 11120 TUBE NECK MOUNTING SURFACES
BS EN ISO 16148:2016	Gas cylinders. Refillable seamless steel gas cylinders and tubes. Acoustic emission examination (AT) and follow-up ultrasonic examination (UT) for periodic inspection and testing

CGA C 20 : 2014	REQUALIFICATION STANDARD FOR METALLIC, DOT AND TC 3-SERIES GAS CYLINDERS AND TUBES USING ULTRASONIC EXAMINATION
CGA C 6 : 2013	STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS