GB/T 40080-2021 PDF English
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Nondestructive testing of steel tubes - Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak tightness
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GB/T 40080-2021: Nondestructive testing of steel tubes - Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak tightness
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GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.040.20
CCS H 26
GB/T 40080-2021 / ISO 10893-1:2011
Non-Destructive Testing of Steel Tubes - Automated
Electromagnetic Testing of Seamless and Welded
(Except Submerged Arc-Welded) Steel Tubes for the
Verification of Hydraulic Leak-Tightness
(ISO 10893-1: 2011, Non-Destructive Testing of Steel Tubes – Part 1:
Automated Electromagnetic Testing of Seamless and Welded (Except
Submerged Arc-Welded) Steel Tubes for the Verification of Hydraulic
Leak-Tightness, IDT)
ISSUED ON: APRIL 30, 2021
IMPLEMENTED ON: NOVEMBER 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 General Requirements ... 5
5 Test Method ... 6
6 Reference Tube ... 10
7 Equipment Calibration and Checking ... 15
8 Acceptance ... 16
9 Test Report ... 17
Annex A (Informative) Guidance Notes on Limitations of Eddy Current Test
Method ... 18
Annex B (Normative) Limitations of Magnetic Flux Leakage Test Method ... 20
Foreword
This document was drafted as per the rules specified in GB/T 1.1-2020 Directives for
Standardization – Part 1: Rules for the Structure and Drafting of Standardizing
Documents.
This document adopted the translation method to equivalently use ISO 10893-1:2011
Non-Destructive Testing of Steel Tubes – Part 1: Automated Electromagnetic Testing
of Seamless and Welded (Except Submerged Arc-Welded) Steel Tubes for the
Verification of Hydraulic Leak-Tightness.
This document embodies the amendments of ISO 10893-1:2011/AMd.1:2020; the
clauses involved in these amendments have been marked by a vertical double line (||)
on the outer margins.
The Chinese documents that have consistent correspondence with the normatively
cited international documents in this document are as follows:
--- GB/T 9445 Non-Destructive Testing - Qualification and Certification of NDT
Personnel (GB/T 9445-2015, ISO 9712:2012, IDT).
This document made the following editorial modifications:
--- Modify the standard name so as to adapt to the requirements of Chinese
standard.
Please note some contents of this document may involve the patents. The issuing
agency of this document shall not assume the responsibility to identify these patents.
This document was proposed by China Iron & Steel Association.
This document shall be under the jurisdiction of National Technical Committee for
Standardization of Steel (SAC/TC 183).
Drafting organizations of this document: Central Iron & Steel Research Institute;
Hengyang Valin Steel Tube Co., Ltd.; Zhejiang Kingland Pipeline and Technologies Co.,
Ltd.; Ncs Testing Technology Co., Ltd.; CNPC Tubular Goods Research Institute; China
Metallurgical Information and Standardization Research Institute; and Beijing AriTime
Intelligent Control Co., Ltd.
Chief drafting staffs of this document: Zhang Jianwei, Tian Yan, Chen Wenhao, Liu
Guanglei, Huang Lei, Dong Li, Hu Yu, Wang Yongfeng, Deng Shirong, Xu Lei, Li Ting,
Wang Hongliang, Wang Xiaowen, Zhu Guoqing, Zhang Hailong, Yang Guangjie, Fan
Hong, and Zhao Bin.
Non-Destructive Testing of Steel Tubes - Automated
Electromagnetic Testing of Seamless and Welded
(Except Submerged Arc-Welded) Steel Tubes for the
Verification of Hydraulic Leak-Tightness
1 Scope
This document specifies the automated electromagnetic testing of seamless and
welded steel tubes, with the exception of submerged arc-welded (SAW) tubes, for
verification of hydraulic leak-tightness. The eddy current testing method is applicable
to test the steel tubes with outer diameter greater than or equal to 4mm; while the
magnetic flux leakage testing method is applicable to test the steel tube with outer
diameter greater than 10mm.
This document may also be applicable to the testing of hollow sections.
NOTE: Electromagnetic testing using magnetic flux leakage method is not applicable to
austenitic stainless-steel tubes.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) is applicable to this document.
ISO 9712 Non-Destructive Testing – Qualification and Certification of NDT
Personnel
ISO 11484 Steel Products – Employer’s Qualification System for Non-Destructive
Testing (NDT) Personnel
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in ISO 11484 and
the following apply.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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