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GB/T 2072-2020   Nickel and nickel alloy strip and foil (English Version)
Standard No.: GB/T 2072-2020 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 5500 words Price(USD):130.0 remind me the price change

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Implemented on:2021-8-1 Delivery: via email in 1 business day
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Standard No.: GB/T 2072-2020
English Name: Nickel and nickel alloy strip and foil
Chinese Name: 镍及镍合金带、箔材
Chinese Classification: H62    Heavy metals and their alloys
Professional Classification: GB    National Standard
ICS Classification: 77.150.40 77.150.40    Nickel and chromium products 77.150.40
Issued by: SAIC AND SAC
Issued on: 2020-09-29
Implemented on: 2021-8-1
Status: valid
Superseding:GB/T 2072-2007 Nickel and nickel alloy strips
Language: English
File Format: PDF
Word Count: 5500 words
Price(USD): 130.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 2072-2007 Nickel and nickel alloy strips. In addition to editorial changes, the following main technical changes have been made with respect to GB/T 2072-2007: ——the grades and technical requirements of nickel foils are added (see Clauses 3 and 4); ——the specification range is modified: the thickness is changed from "0.05~1.2" to "0.01~5.00", and the width is changed from "20~250" to "20~1,350" (see Table 1; Table 1 of Edition 2007); ——the thickness, width and their tolerances are modified: the width tolerance of products with thickness not greater than 0.3mm is changed from "(0, -0.6), (0, -1.0)" to "±0.15"; the width tolerance of products with thickness greater than 0.3mm is changed from "(0, -1.0), (0, -1.5)" to "(+1.6, 0)" (see Table 2; Table 2 of Edition 2007); ——the cupping test method is modified: the punch diameter of cupping test is changed from "10mm" to "20mm" (see 5.4.1; 4.3 of Edition 2007); ——the bending property requirements for products are added (see 4.4.2); ——the grain size requirements for products are added (see 4.5). This standard was proposed by China Nonferrous Metals Industry Association. This standard is under the jurisdiction of National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243). The previous editions of this standard are as follows: ——GB/T 2072-1980, GB/T 2072-1993 and GB/T 2072-2007; ——GB/T 11088-1989. Nickel and nickel alloy strip and foil 1 Scope This standard specifies the classification and labeling, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, as well as quality certificates and order form (or contract) contents of 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 instruments, communications 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 Determination of estimating the average grain size of metal GB/T 8170 Rules of rounding off for numerical values & expression and judgment 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 3 Classification and labeling 3.1 Product classification Grade, variety, condition and specification of the product shall meet those specified in Table 1.   Table 1 Grade, variety, condition and specification of the product Grade Variety Condition Specification mm Thickness Width Length N2, N4, N5, N6, N7 and N8 Foil Hard (Y) 0.01~0.02 20~200 — Hard (Y), soft (M) >0.02~0.25 20~300 — N4, N5, N6, N7, NMg0.1, DN, NS10.19, NCu40-2-1, NCu28-2.5-1.5, NW4-0.15, NW4-0.1, NW4-0.07 and NCu30 Strip Hard (Y) Semi-hard (Y2) Soft (M) >0.25~0.30 20~300 ≥3,000 >0.30~0.80 20~1,100 ≥5,000 >0.80~5.00 20~1,350 ≥5,000 3.2 Product labeling A product shall be labeled in the order of product name, standard number, grade, condition and specification. Example 1: A 0.03mm×100mm (thickness × width) hard foil made of N2 material with a general precision shall be labeled as follows: Nickel foil GB/T 2072-N2Y-0.03×100 Example 2: A 1.00mm×1,000mm (thickness × width) soft strip made of N6 material with a high precision shall be labeled as follows: Nickel strip GB/T 2072-N6M high-1.00×1,000 4 Technical requirements 4.1 Chemical composition Chemical composition of each grade of product shall meet the requirements of GB/T 5235. 4.2 Overall dimension and its tolerance 4.2.1 The thickness and width as well as their tolerances of the product shall meet those specified in Table 2.   Table 2 Thickness and width as well as their tolerances of the product In mm 4.2.2 The side curvature of the product shall not be greater than 3mm/m. 4.2.3 The product shall be straight, with both sides cut neatly and be free of crack and crimp. 4.3 Mechanical properties 4.3.1 The results of tensile tests at room temperature for strips shall meet those specified in Table 3.
Foreword i 1 Scope 2 Normative references 3 Classification and labeling 4 Technical requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation, storage and quality certificate 8 Order (or contract) contents
Referred in GB/T 2072-2020:
*GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1 : Method of test at room temperature
*GB/T 232-2010 Metallic materials—Bend test
*GB/T 4156-2020 Metallic materials—Sheet and strip—Erichsen cupping test
*GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method
*GB/T 5235-2021 Designation and chemical composition of wrought nickel and nickel alloy
*GB/T 6394-2017 Metal - Methods for estimating the average grain size
*GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
*GBT8647-
*GB/T 8888-2014 Wrough heavy non-ferrous metal products-packing,marking,transportation,storing and cetificate of quality
Code of China
Standard
GB/T 2072-2020  Nickel and nickel alloy strip and foil (English Version)
Standard No.GB/T 2072-2020
Statusvalid
LanguageEnglish
File FormatPDF
Word Count5500 words
Price(USD)130.0
Implemented on2021-8-1
Deliveryvia email in 1 business day
Detail of GB/T 2072-2020
Standard No.
GB/T 2072-2020
English Name
Nickel and nickel alloy strip and foil
Chinese Name
镍及镍合金带、箔材
Chinese Classification
H62
Professional Classification
GB
ICS Classification
Issued by
SAIC AND SAC
Issued on
2020-09-29
Implemented on
2021-8-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 2072-2007 Nickel and nickel alloy strips
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
130.0
Keywords
GB/T 2072-2020, GB 2072-2020, GBT 2072-2020, GB/T2072-2020, GB/T 2072, GB/T2072, GB2072-2020, GB 2072, GB2072, GBT2072-2020, GBT 2072, GBT2072
Introduction of GB/T 2072-2020
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 2072-2007 Nickel and nickel alloy strips. In addition to editorial changes, the following main technical changes have been made with respect to GB/T 2072-2007: ——the grades and technical requirements of nickel foils are added (see Clauses 3 and 4); ——the specification range is modified: the thickness is changed from "0.05~1.2" to "0.01~5.00", and the width is changed from "20~250" to "20~1,350" (see Table 1; Table 1 of Edition 2007); ——the thickness, width and their tolerances are modified: the width tolerance of products with thickness not greater than 0.3mm is changed from "(0, -0.6), (0, -1.0)" to "±0.15"; the width tolerance of products with thickness greater than 0.3mm is changed from "(0, -1.0), (0, -1.5)" to "(+1.6, 0)" (see Table 2; Table 2 of Edition 2007); ——the cupping test method is modified: the punch diameter of cupping test is changed from "10mm" to "20mm" (see 5.4.1; 4.3 of Edition 2007); ——the bending property requirements for products are added (see 4.4.2); ——the grain size requirements for products are added (see 4.5). This standard was proposed by China Nonferrous Metals Industry Association. This standard is under the jurisdiction of National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243). The previous editions of this standard are as follows: ——GB/T 2072-1980, GB/T 2072-1993 and GB/T 2072-2007; ——GB/T 11088-1989. Nickel and nickel alloy strip and foil 1 Scope This standard specifies the classification and labeling, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, as well as quality certificates and order form (or contract) contents of 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 instruments, communications 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 Determination of estimating the average grain size of metal GB/T 8170 Rules of rounding off for numerical values & expression and judgment 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 3 Classification and labeling 3.1 Product classification Grade, variety, condition and specification of the product shall meet those specified in Table 1.   Table 1 Grade, variety, condition and specification of the product Grade Variety Condition Specification mm Thickness Width Length N2, N4, N5, N6, N7 and N8 Foil Hard (Y) 0.01~0.02 20~200 — Hard (Y), soft (M) >0.02~0.25 20~300 — N4, N5, N6, N7, NMg0.1, DN, NS10.19, NCu40-2-1, NCu28-2.5-1.5, NW4-0.15, NW4-0.1, NW4-0.07 and NCu30 Strip Hard (Y) Semi-hard (Y2) Soft (M) >0.25~0.30 20~300 ≥3,000 >0.30~0.80 20~1,100 ≥5,000 >0.80~5.00 20~1,350 ≥5,000 3.2 Product labeling A product shall be labeled in the order of product name, standard number, grade, condition and specification. Example 1: A 0.03mm×100mm (thickness × width) hard foil made of N2 material with a general precision shall be labeled as follows: Nickel foil GB/T 2072-N2Y-0.03×100 Example 2: A 1.00mm×1,000mm (thickness × width) soft strip made of N6 material with a high precision shall be labeled as follows: Nickel strip GB/T 2072-N6M high-1.00×1,000 4 Technical requirements 4.1 Chemical composition Chemical composition of each grade of product shall meet the requirements of GB/T 5235. 4.2 Overall dimension and its tolerance 4.2.1 The thickness and width as well as their tolerances of the product shall meet those specified in Table 2.   Table 2 Thickness and width as well as their tolerances of the product In mm 4.2.2 The side curvature of the product shall not be greater than 3mm/m. 4.2.3 The product shall be straight, with both sides cut neatly and be free of crack and crimp. 4.3 Mechanical properties 4.3.1 The results of tensile tests at room temperature for strips shall meet those specified in Table 3.
Contents of GB/T 2072-2020
Foreword i 1 Scope 2 Normative references 3 Classification and labeling 4 Technical requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation, storage and quality certificate 8 Order (or contract) contents
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