香港六合彩开奖 9712:2021

Published (Edition 5, 2021)

香港六合彩开奖 9712:2021

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Abstract

This document specifies requirements for the qualification and certification of personnel who perform industrial non-destructive testing (NDT) in the following methods.

a) acoustic emission testing;

b) eddy current testing;

c) leak testing (hydraulic pressure tests excluded);

d) magnetic testing;

e) penetrant testing;

f) radiographic testing;

g) strain gauge testing;

h) thermographic testing;

i) ultrasonic testing;

j) visual testing (direct unaided visual tests and visual tests carried out during the application of another NDT method are excluded).

The system specified in this document is also applicable to other NDT methods or to NDT techniques within an established NDT method, provided a comprehensive scheme of certification exists and the NDT method or NDT technique is covered by international, regional or national standards or the NDT method or the NDT technique has been demonstrated to be effective to the satisfaction of the certification body.

NOTE聽1聽聽聽 The term "industrial" implies the exclusion of applications in the field of medicine.

NOTE聽2聽聽聽 CEN/TR聽14748 provides guidance on the methodology for qualification of non-destructive tests.

NOTE聽3聽聽聽 This document specifies requirements for what are, in effect, third party conformity assessment schemes. These requirements do not directly apply to conformity assessment by second or first parties, but relevant parts of this document can be referred to in such arrangements.

NOTE聽4聽聽聽 The term 鈥渄irect unaided visual testing鈥� implies where there is an uninterrupted optical path from the observer鈥檚 eye to the test area and the observer uses no tools or devices (e.g. mirror, endoscope, fibre optic).

NOTE聽5聽聽聽 Calculations of strain based on other NDT methods are excluded.

General information

Status
: Published

Publication date
: 2021-12

Stage
: International Standard published [60.60]
Edition
: 5

Number of pages
: 42
Technical Committee :
香港六合彩开奖/TC 135/SC 7

ICS :
19.100 03.100.30
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