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AS/NZS ISO 16148:2025
$177.61
Gas cylinders – Refillable seamless steel gas cylinders and tubes – Acoustic emission examination (AT) and follow-up ultrasonic examination (UT) for periodic inspection and testing
AS/NZS ISO 16148:2025 identically adopts ISO 16148:2016, which provides procedures for the use of acoustic emission examination (AT) and ultrasonic examination (UT) follow-up during the periodic inspection and testing of seamless steel cylinders and tubes with a water capacity of up to 3 000 l used for compressed and liquefied gases
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Operational principles
5 Personnel qualification
6 Special considerations to ensure valid tests
6.1 General
6.2 Acoustic emission examination methods
6.3 Pressurization
6.4 Safety precautions
7 Acoustic emission examination equipment
8 Acoustic emission examination calibration and equipment verification
8.1 Calibration
8.2 Equipment verification
9 Overall procedure
10 Real-time evaluation criteria
10.1
10.2
10.3
10.4
10.5
11 AT test report
12 Follow-up ultrasonic examination
Annex A
A.1 UT follow-up
A.1.1 Summary of methodology
A.1.2 Equipment
A.1.3 Calibration ring with reference notches
A.1.4 Calibration procedure
A.2 Test report
Annex B
B.1 Sensors
B.2 Sensor cable
B.3 Couplant
B.4 Preamplifier
B.5 Power/signal cable
B.6 Power supply
B.7 Signal processor
Annex C
C.1 MAE information
C.1.1 Introduction to MAE
C.1.2 Source location analysis
C.1.3 Extensional- versus flexural-mode source location
C.1.4 Reflections/wrap waves
C.1.5 Source characteristics
C.2 MAE instrument settings and data analysis
C.2.1 Input velocity
C.2.2 MAE source location — Cylindrical portion of cylinder or tube
C.2.3 MAE source location — Ends of cylinder or tube
