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)
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ISO 16148:2016 gives 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. This examination provides acoustic emission (AE) indications and locations that are evaluated by a secondary examination using UT for a possible flaw in the cylinder or tube. Methods other than UT for the secondary examination are not covered by this International Standard. ISO 16148:2016 does not cover composite cylinders. CAUTION ? Some of the tests specified in this International Standard involve the use of processes which could lead to a hazardous situation.
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Sisällysluettelo
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
11 AT test report
12 Follow-up ultrasonic examination
Annex A Ultrasonic examination (UT) follow-up to acoustic emission examination (AT) (normative)
Annex B AT equipment specifications (normative)
Annex C Example instrument settings, examination methods and rejection criteria for MAE (normative)
Annex D Alternative method for source location (informative)
Annex E Distance amplitude correction procedures (informative)
ASNT SNT-TC-1A:1966
ASTM E 1419:2009
EN 13477-1:2001 Non-destructive testing - Acoustic emission - Equipment characterisation - Part 1: Equipment description
ASNT SNT-TC-1A:1966
ASTM E 1419:2009
EN 13477-1:2001 Non-destructive testing - Acoustic emission - Equipment characterisation - Part 1: Equipment description
EN 13477-2:2010 Non-destructive testing - Acoustic emission - Equipment characterisation - Part 2: Verification of operating characteristic
EN 13477-2:2021 Non-destructive testing - Acoustic emission testing - Equipment characterisation - Part 2: Verification of operating characteristics
ISO 12716:2001 Non-destructive testing -- Acoustic emission inspection -- Vocabulary
ISO 18119:2018 Gas cylinders -- Seamless steel and seamless aluminium-alloy gas cylinders and tubes -- Periodic inspection and testing
ISO 5577:2000 Non-destructive testing -- Ultrasonic inspection -- Vocabulary
ISO 5577:2017 Non-destructive testing -- Ultrasonic testing -- Vocabulary
ISO 6406:2005 Gas cylinders -- Seamless steel gas cylinders -- Periodic inspection and testing
ISO 9712:2012 Non-destructive testing -- Qualification and certification of NDT personnel
ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories