GB/T 38215-2019 PDF EnglishUS$90.00 · In stock · Download in 9 seconds
GB/T 38215-2019: Hot rolled steel strip for structural corrugated steel pipe 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 38215-2019: Hot rolled steel strip for structural corrugated steel pipe---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/GBT38215-2019NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.50 H 46 Hot rolled steel strip for structural corrugated steel pipe ISSUED ON: OCTOBER 18, 2019 IMPLEMENTED ON: SEPTEMBER 01, 2020 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 Designation representation method ... 6 4 Order content ... 6 5 Size, shape, weight ... 7 6 Technical requirements ... 7 7 Test methods ... 8 8 Inspection rules ... 9 9 Packaging, marks and quality certificate ... 9 Hot rolled steel strip for structural corrugated steel pipe1 ScopeThis Standard specifies designation representation method, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of hot rolled steel strip for structural corrugated steel pipe. This Standard is applicable to the hot rolled steel strip for structural corrugated steel pipe that is necessary to have certain bearing requirements for the production of bridges, culverts, tunnels, underground infrastructure, water supply and drainage, water storage facilities, that the thickness is not greater than 16mm (hereinafter referred to as the steel strip).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 222, Permissible tolerances for chemical composition of steel products GB/T 223.5, Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.12, Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.19, Methods for chemical analysis of iron, steel and alloy. The neocuproine-chloroform extraction photometric method for the determination of copper content GB/T 223.23, Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method GB/T 223.40, Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method3 Designation representation methodA steel designation consists of three parts: “Q” that is the initial for Chinese pinyin “Qu” (yield strength), the specified minimum yield strength value and “BW” that is the initials for Chinese pinyin “Bo Wen” (corrugated) that represents usage. For example: Q235BW Where, Q - the initial for Chinese pinyin “Qu” (yield strength of steel); 235 - the specified minimum yield strength value, in megapascals (MPa); BW - the initials for Chinese pinyin “Bo Wen” (corrugated) that represents usage.4 Order content4.1 The contract and order sheet according to this Standard shall contain the following information: a) reference to this Standard; b) product name; c) designation; d) size and unevenness accuracy; e) weight; f) roll diameter; g) packaging method; h) edge state; i) other special requirements. 4.2 If the order contract does not specify the information such as the edge state, thickness accuracy, packaging method, it shall be supplied in the form of non- cutting, normal thickness accuracy and packaging provided by the supplier. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
