GB/T 2072-2020Nickel and nickel alloy strip and foil (English PDF)
镍及镍合金带、箔材
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 29, 2020
Implementation date
August 1, 2021
Scope
GB/T 2072-2020 is the English-translated version of 镍及镍合金带、箔材.
GB/T 2072-2020 is the Chinese standard for nickel and nickel alloy strip and foil. It gives the classification and marking, the technical requirements, the test methods, the inspection rules, the marking, packaging, transport, storage and quality certificate, and the content of the order sheet or contract.
It applies to nickel and nickel alloy strip and foil used in industrial fields such as instrumentation, communication and electronics. Nickel mills and the makers of instruments, communication equipment and electronics use it.
Issued on 29 September 2020, it has applied since 1 August 2021, replacing GB/T 2072-2007.
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Document preview — GB/T 2072-2020
National Standard of the People's Republic of China
- ICS
- 77.150.40
- Classification
- H 62
- Replacing
- GB/T 2072-2007
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope5
- 2 Normative references5
- 3 Classification and marking6
- 4 Technical requirements6
- 5 Test methods9
- 6 Inspection rules10
- 7 Marks, packaging, transportation, storage and quality certificate12
- 8 Order sheet (or contract)12
1 Scope
This Standard specifies classification and marking, technical requirements, inspection methods, inspection rules and marks, packaging, transportation, storage and quality certificate as well as order sheet (contract) for nickel and nickel alloy strip and foil.
This Standard is applicable to nickel and nickel alloy strip and foil used in industrial fields such as instrumentation, communication and electronics.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 228.1-2010, Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 232, Metallic materials - Bend test
GB/T 4156, Metallic materials - Sheet and strip - Erichsen cupping test
GB/T 4340.1, Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 5235, Wrought nickel and nickel alloys - Chemical composition and forms of wrought products
GB/T 6394, Metal - Methods for estimating the average grain size
GB/T 8170, Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8647 (all parts), The methods for chemical analysis of nickel
GB/T 8888, Wrought heavy non-ferrous metal products-packing, marking, transportation, storing and certificate of quality
YS/T 325 (all parts), Methods for chemical analysis of nickel-copper alloy
4 Technical requirements
4.4.2 Bending test
It may conduct bending test for the product. There shall be no cracks on the outer surface of the strip after bending. The diameter of the bending indenter and the bending angle are negotiated by the supplier and the purchaser.
4.5 Grain size
It may conduct grain size testing for the product. Test results are reported as measured values.
4.6 Surface quality
The surface of the product shall be smooth and clean, without defects that affect the use.
5 Test methods
5.1 Chemical composition
The chemical composition analysis method of the product is carried out in accordance with the provisions of GB/T 8647 and YS/T 325.
5.2 Dimensions and allowable deviation
The dimensions of the product and its allowable deviation are measured with corresponding precision measuring tools. The thickness is measured at a distance not less than 100mm from the end and not less than 5mm from the edge (products with a width less than 50mm are measured at a distance not less than 3mm from the edge).
5.3 Mechanical properties
5.3.1 The tensile test of the product is carried out in accordance with the provisions of GB/T 228.1-2010. Choose P04 sample or P5 sample.
5.3.2 The Vickers hardness test of the product is carried out in accordance with the provisions of GB/T 4340.1.
5.4 Technique performance
5.4.1 The cupping test of the product is carried out in accordance with the provisions of GB/T 4156. The punch diameter is 20mm.
5.4.2 The bending test of the product is carried out in accordance with the provisions of GB/T 232. […]
6 Inspection rules
7 Marks, packaging, transportation, storage and quality certificate
7.1 Product marks
The following marks (or labels) shall be made on the products that have passed the inspection:
a) Supplier's name or code;
b) Product designation, specification and state;
c) Product batch number;
d) Reference to this Standard.
7.2 Packaging, transportation, storage and quality certificate
The packaging, transportation, storage and quality certificate of the product shall meet the requirements of GB/T 8888.
8 Order sheet (or contract)
The order sheet (or contract) for the products listed in this Standard shall include the following:
a) Product name;
b) Designation, specification and state;
c) Dimensional accuracy;
d) Bending test (when required);
e) Grain size (when required);
f) Weight or number of pieces; […]
......
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
Normative references
- GB/T 228.1-2010Metallic Materials — Tensile Testing — Part 1: Method of Test at Room Temperature
- GB/T 232Metallic materials - Bend testing method
- GB/T 4156Metallic materials - Sheet and strip - Erichsen cupping test
- GB/T 4340.1Metallic materials - Vickers hardness test - Part 1: Test method
- GB/T 5235Designation and chemical composition of wrought nickel and nickel alloy
- GB/T 6394Determination of estimating the average grain size of metal
GB/T 8647
Similar standards
Editions of GB/T 2072
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2072-2020 | Nickel and nickel alloy strip and foil | current edition | Current |
| GB/T 2072-2007 | Nickel and nickel alloy strip and foil | previous edition | Superseded |
This page sells the current edition, GB/T 2072-2020. Earlier editions are listed for reference only.
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