GB/T 31976-2015 PDF EnglishUS$90.00 · In stock · Download in 9 seconds
GB/T 31976-2015: Aluminium Alloy Sheets Used for Sound-Absorbing Composite Panel with Through-Hole Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 31976-2015: Aluminium Alloy Sheets Used for Sound-Absorbing Composite Panel with Through-Hole---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/GBT31976-2015 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.10 H 61 Aluminium Alloy Sheets Used for Sound-Absorbing Composite Panel with Through-Hole Issued on: SEPTEMBER 11, 2015 Implemented on: AUGUST 1, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Requirements ... 5 4 Test Methods ... 7 5 Inspection Rules ... 8 6 Marks, Package, Transportation, Storage, and Quality Certificate ... 10 7 Order (or Contract) Contents ... 11ForewordThis Standard was drafted as per the rules specified in GB/T 1.1-2009. This Standard was proposed by China Non-ferrous Metals Fabrication Industrial Association. This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Non-ferrous Metals (SAC/TC 243). Drafting organizations of this Standard. Southwest Aluminum (Group) Co., Ltd., Northeast Light Alloy Co., Ltd., Xiamen Xiashun Holdings Limited, China National Institute of Standardization, Hangzhou Kunli Welding Material Co., Ltd., Chinalco Ruimin Co., Ltd., National Engineering Research Center for Plastic Working of Aluminium Alloys, China Nonferrous Metals Tech-Economic Research Institute, Yunnan Haoxin Aluminum Foil Co., Ltd., and Galuminium Group Co., Ltd. Chief drafting staffs of this Standard. Zhang Yu, Chen Jiqiang, Wang Xianhua, Lin Gao, Huang Ruiyin, Yu LIli, Tian Xiaomei, Meng Fanlin, and Tang Hailin. Aluminium Alloy Sheets Used for Sound-Absorbing Composite Panel with Through-Hole1 ScopeThis Standard specifies the requirements, test methods, inspection rules and marks, package, transportation, storage, quality certificate, and order (or contract) of the aluminium alloy sheets used for sound-absorbing composite panel with through-hole. This Standard is applicable to the aluminium alloy sheets (hereinafter referred to as sheets) used for the sound barrier in t he railway and highway.2 Normative ReferencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 232 Metallic Materials - Bend Test GB/T 3190 Wrought Aluminium and Aluminium Alloy - Chemical Composition GB/T 3199 Wrought Aluminium and Aluminium Alloy Products - Packing, Marking, Transporting and Storing GB/T 3880.3 Wrought Aluminium and Aluminium Alloy Plates, Sheets and Strips for General Engineering - Part 3. Tolerances on Forms and Dimensions GB/T 7999 Optical Emission Spectrometric Analysis Method of Aluminum and Aluminum Alloys GB/T 16865 Test Pieces and Method for Tensile Test for Wrought Aluminium and Magnesium Alloys Products GB/T 17432 Methods for Sampling for Analyzing the Chemical Composition of Wrought Aluminum and Aluminum Alloys GB/T 20975 (All parts) Methods for Chemical Analysis of Aluminium and Aluminium Alloys5 Inspection Rules5.1 Inspection and acceptance 5.1.1 The sheets shall be inspected by the supplier, ensure the sheet quality to conform to the provisions of this Standard and order (or contract), and fill in the quality certificate. 5.1.2 The purchaser shall re-inspect the sheets according to this Standard after receiving the sheets. If the inspection results don’t comply with the requirements of this Standard and order (or contract), it shall be submitted to the supplier in written form, and be settled through the consultation between the supplier and purchaser. The objection on the appearance quality and dimension tolerance shall be submitted within 1 month since the date of receipt of the sheets; while the objection on other performances shall be submitted within 3 months since the date of receipt of the sheets. If arbitration is required, it can be entrusted to the organization approved by the supplier and purchaser to conduct, and carry out common sampling against the purchaser. 5.2 Batch The sheets shall be submitted in batches; each batch shall consist of the same state and specification of the sheets. 5.3 Weighing The sheet shall be weighed by weight-check. 5.4 Inspection items Each batch of sheets shall be inspected the chemical compositions, dimension tolerance, mechanical properties, bending properties, and appearance quality before they leave the factory. 5.5 Sampling The sampling of the sheets shall conform to the provisions of Table 8. such batch of sheets shall be judged as disqualified. The supplier is allowed to inspect the sheets piece by piece through the consultation between the supplier and purchaser, and the qualified sheets can be delivered. The supplier is also allowed to repeat the heat treatment, and conduct the re-sampling inspection. 5.6.5 If the appearance quality of any sheet is disqualified, then such piece of sheet can be judged as disqualified.6 Marks, Package, Transportation, Storage, andQuality Certificate 6.1 Marks The marks of the sheets shall conform to the provisions of GB/T 3199. 6.2 Package, transportation, and storage The sheets are required to coat no oil, and cushion paper package between them. The requirements for other package, transportation, and storage shall conform to the provisions of GB/T 3199. 6.3 Quality certificate Each batch of sheets shall be accompanied by a product quality certificate, which shall indicate the following contents. a) Name, address, telephone, and fax of the supplier; b) Product name; c) Grade, state, and specification; d) Batch number; e) Net weight or number of boxes (pieces); f) This Standard number; g) Inspection stamp from the inspection results and inspection department for the analysis items; h) Packing date (or exit-factory date). ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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