ISO 10893-7-2019

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Non-destructive testing of steel

tubes —

Part 7:

Digital radiographic testing of the

weld seam of welded steel tubes for

the detection of imperfections

Essais non destructifs des tubes en acier —

Partie 7: Contrôle par radiographie numérique du cordon de soudure

des tubes en acier soudés pour la détection des imperfections

INTERNATIONAL

STANDARD

ISO

10893-7

Second edition

2019-02

Reference number

ISO 10893-7:2019(E)











CP 401 • Ch. de Blandonnet 8



Phone: +41 22 749 01 11





Website: www.iso.org

Published in Switzerland

ISO 10893-7:2019(E)

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

  ..................................................................................................................................................................................... 1

4 General requirements ..................................................................................................................................................................................... 3

5 Test equipment....................................................................................................................................................................................................... 3

6 Test method ............................................................................................................................................................................................................... 4

7 Image quality ............................................................................................................................................................................................................ 6

8 Image processing ..............................................................................................................................................................................................11

  ................................................................................................................................................................... 12

10 Acceptance limits ..............................................................................................................................................................................................12

11 Acceptance ...............................................................................................................................................................................................................13

12 Image storage and display .......................................................................................................................................................................13

13 Test report ................................................................................................................................................................................................................13

Annex A (informative) Examples of distribution of imperfections .................................................................................... 15

Bibliography .............................................................................................................................................................................................................................17

Contents Page

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标签： #ISO

摘要：

ISO 10893-7-2019 是一项国际标准，全称为《钢管无损检测第7部分：无缝和焊接钢管壁厚缺陷的自动超声检测》。该标准主要规定了采用自动超声技术检测无缝与焊接钢管（铸铁管除外）管壁中纵向、横向及分层缺陷的检测方法、灵敏度设置、校准试块要求以及验收准则，适用于石油、天然气、建筑、机械制造等领域对钢管壁厚缺陷的自动化质量控制，是提高检测效率、确保产品可靠性及满足国际认证需求的重要技术依据。

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ISO 10893-7-2019

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