GB/T 2072-2020 PDF EnglishUS$135.00 · In stock · Download in 9 seconds
GB/T 2072-2020: Nickel and nickel alloy strip and foil Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 2072: Historical versions
GB/T 2072-2020: Nickel and nickel alloy strip and foil---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2072-2020GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.40 H 62 Replacing GB/T 2072-2007 Nickel and nickel alloy strip and foil ISSUED ON: SEPTEMBER 29, 2020 IMPLEMENTED ON: AUGUST 01, 2021 Issued by: State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Classification and marking ... 6 4 Technical requirements ... 6 5 Test methods ... 9 6 Inspection rules ... 10 7 Marks, packaging, transportation, storage and quality certificate ... 12 8 Order sheet (or contract) ... 12 Nickel and nickel alloy strip and foil1 ScopeThis 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 referencesThe 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 4.4.2 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 methods5.1 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. the sample is still nonconforming after repeated inspection, the batch of products shall be rejected. The supplier is allowed to inspect the nonconforming items on a coil-by- coil basis. Only conforming products are delivered. 6.5.4 When the dimensions, allowable deviations and the surface quality inspection results are nonconforming, this coil of products shall be rejected.7 Marks, packaging, transportation, storage and qualitycertificate 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; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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