GB/T 26017-2020 PDF EnglishUS$125.00 · In stock · Download in 9 seconds
GB/T 26017-2020: High purity copper 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 26017: Historical versions
Similar standardsGB/T 26017-2020: High purity copper---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/GBT26017-2020GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.30 H 62 Replacing GB/T 26017-2010 High purity copper 高纯铜 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... 4 2 Normative references... 4 3 Requirements... 4 4 Test methods... 7 5 Inspection rules... 8 6 Marks, packaging, transportation, storage and quality certificate... 9 7 Contents of order (or contract)... 10 High purity copper1 ScopeThis Standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order (or contract) contents for high purity copper products. This Standard applies to high purity copper used in sputtering targets and ion plating products, various connecting wires in the electronics industry, bonding wires for electronic packaging, high-quality audio cables, high purity reagents, standard samples and advanced alloys.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 8170, Rules of rounding off for numerical values and expression and judgement of limiting values YS/T 922, Methods for chemical analysis of high purity copper. Determination of trace impurity elements content. Glow discharge mass spectrometry3 Requirements3.1 Product classification High purity copper is divided into four designations according to the copper content. HPCu-7N, HPCu-6N5, HPCu-6N, and HPCu-5N. NOTE. HPCu is the abbreviation of High purity copper. 3.2 Chemical composition 3.2.1 The chemical composition requirements of high purity copper shall comply with the requirements in Table 1. 3.3 Product dimensions 3.3.1 Strip. length × width is (300±1) mm × (10±1) mm; thickness is (4±2) mm. 3.3.2 Block. length × width is (50±1) mm × (50±1) mm; thickness is (4±2) mm. 3.3.3 Product dimensions can be cut to suit the requirements of the purchaser and must be specified in the order (or contract). 3.4 Appearance quality 3.4.1 The surface of high purity copper has a metallic luster. It is clean and tidy. It is free of oil stains, attachments, and pores. 3.4.2 The size of the protrusions on the surface of high purity copper shall not exceed 3 mm × 3 mm. The height beyond the surface shall not exceed 3 mm. 3.4.3 The color of the same batch of products shall remain consistent. 3.5 Other requirements If the purchaser has special requirements for the chemical composition and physical specifications of high purity copper, the supplier and the purchaser can negotiate and indicate it in the order (or contract).4 Test methods4.1 The determination of impurity elements in high purity copper shall be carried out in accordance with the method specified in YS/T 922. 4.2 The dimensions of the product and the dimensions of the protrusions on the surface shall be measured with corresponding precision measuring tools. The rest of the appearance shall be measured by visual inspection.5 Inspection rules5.1 Inspection and acceptance 5.1.1 The supplier's quality supervision department is responsible for inspecting the products, ensuring that the products comply with the provisions of this Standard or the purchase order (or contract), and filling in the quality certificate. 5.1.2 The purchaser may inspect the products received. If the inspection results are inconsistent with the provisions of this Standard or the purchase order (or contract), the purchaser shall submit a request to the supplier within 15 days from the date of receipt of the product. The supplier and purchaser shall negotiate to resolve the issue. If arbitration is required, the arbitration sampling shall be conducted by the purchaser. The supplier and purchaser shall jointly conduct the arbitration. 5.2 Batching Each batch of products shall consist of products of the same designation produced in the same system and in the same production cycle. The batch weight shall not exceed 1 ton. 5.3 Sampling and sample preparation 5.3.1 Chemical composition arbitration sampling. Use shearing equipment to randomly cut no less than two samples (the specific details can be negotiated by the supplier and the purchaser and specified in the contract). The sample size specifications shall comply with the analysis requirements of YS/T 922. 5.3.2 Place the cut sample in a nitric acid solution with a ratio of V (nitric acid). V (deionized water) = 1.1 [nitric acid purity must be analytical designation or above. Sulfuric acid can also be used instead of nitric acid according to customer requirements and shall be specified in the order (or contract)] and soak for 1 min~2 min. Wash thoroughly with deionized water to remove all foreign dirt and residual acid on the surface and dry (avoid oxidation). Vacuum pack in aluminum plastic bag for arbitration analysis. 5.3.3 Product size and appearance quality shall be inspected piece by piece. 5.4 Determination of test results 5.4.1 The analysis results shall be rounded off in accordance with the provisions of GB/T 8170.The rounded value comparison method shall be used for determination. 5.4.2 If the results of the arbitration analysis of chemical composition do not conform to the provisions of this Standard and the purchase order (or contract), the batch of products shall be judged as unqualified. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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