GB/T 37121-2018Non-destructive testing—Crack phantom for industrial computed tomography (CT) testing (English PDF)
无损检测 工业计算机层析成像（CT）检测用裂纹测试卡
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 28, 2018
Implementation date
July 1, 2019
Scope
GB/T 37121-2018 is the English-translated version of 无损检测 工业计算机层析成像（CT）检测用裂纹测试卡.
GB/T 37121-2018 specifies the crack phantoms, or crack test cards, used in industrial computed tomography (CT) testing. It sets their classification, types and identification: the disc-shaped card is made of a disc, a base body and a simulated crack assembly, and comes in a Type I and a Type II design.
It then lays down the technical requirements, the test methods, the inspection rules, the marks and labels, and packaging, transport and storage. Terms are those of the CT testing terminology standard GB/T 34365.
It applies to the type inspection and factory inspection of simulated crack test cards for industrial CT, and can also be used as the basis for accepting orders from users. It was issued on 28 December 2018 and has applied since 1 July 2019.
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Document preview — GB/T 37121-2018
National Standard of the People's Republic of China
- ICS
- 19.100
- Classification
- J 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Classification, Type and Logo
- 5 Technical requirements
- 6 Test method
- 7 Inspection rules
- 8 logos and labels
- 9 Packaging, transportation and storage
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the classification, type and identification of technical crack test cards for industrial computer tomography (CT) testing, technical requirements, inspection Test methods, inspection rules, signs and labels, packaging, transportation and storage.
This standard is applicable to the type inspection and factory inspection of the simulated crack test card for industrial computer tomography (CT) inspection. This standard Can also be used as the basis for acceptance of user orders.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 34365 Non-destructive testing terminology industrial computer tomography (CT) detection
3 Terms and definitions
The terms and definitions defined in GB/T 34365 apply to this document.
4 Classification, type and logo
4.1 Classification
The crack test card structure is disc-shaped and is mainly composed of a disc, a base body and a simulated crack component. There are two types according to the structure type.
Type I crack test card and type II crack test card.
The Type I crack test card consists of a disc, an I-shaped base with a L (mm) × L (mm) square hole at the center, and a simulated crack assembly. As shown in Figure 1.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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GB/T 34365-2017 — Non-destructive testing - Terminology - Terms used in industrial computed tomography testing
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