GB/T 35840.1-2018 PDF EnglishUS$135.00 · In stock · Download in 9 seconds
GB/T 35840.1-2018: Steels for plastic mould - Part 1: Non-alloy steels 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 35840.1-2018: Steels for plastic mould - Part 1: Non-alloy steels---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/GBT35840.1-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.35 H 40 Steels for plastic mould – Part 1. Non-alloy steels Issued on: FEBRUARY 6, 2018 Implemented on: NOVEMBER 1, 2018 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Ordering content ... 5 4 Dimension, shape and weight ... 6 5 Technical requirements ... 6 6 Test methods ... 9 7 Inspection rules ... 10 8 Packaging, marking and quality certification ... 11 Annex A (Informative) Table of cross-references between the similar designations of this Part and relevant domestic-overseas standards ... 12ForewordGB/T 35840, Steels for plastic mould, comprises 4 parts. -- Part 1. Non-alloy steels; -- Part 2. Pre-hardened steel bars; -- Part 3. Corrosion-resistant steels; -- Part 4. Pre-hardened steel plates (sheets). This Part is Part 1 of GB/T 35840. This Part was drafted in accordance with the rules given in GB/T 1.1-2009. This Part was proposed by China Iron and Steel Association. This Part shall be under the jurisdiction of Technical Committee 183 of Standardization Administration of China (SAC/TC 183). The drafting organizations of this Part. Jiangsu Shagang Group Co., Ltd., Fushun Special Steel Shares Co., Ltd., Central Iron and Steel Research Institute, China Metallurgical Information and Standardization Institute, Hebei Wenfeng Industrial Group Co., Ltd., Tianjin Iron and Steel Group Co., Ltd., Tangshan Zwell Technology Co., Ltd., Jiangsu Yonggang Group Co., Ltd. The main drafters of this Part. Li Xiaobo, Guo Tong, Li Yuzang, Kang Aijun, Ma Dangshen, Yan Chengming, Li Jianli, Xin Haixi, Cao Lijun, Liu Shaokang, Luan Yan, Gu Qiang, Chi Hongxiao, Liu Ming, Wang Peixin. Steels for plastic mould – Part 1. Non-alloy steels1 ScopeThis Part of GB/T 35840 specifies the ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for non-alloy steels for plastic mould. This Part applies to hot-rolled or forged non-alloy round steel, square steel, flat steel and steel plates (sheets) for the manufacture of plastic mould.2 Normative ReferencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to This Standard. GB/T 223.5, Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.11, Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method GB/T 223.18, Methods for chemical analysis of iron, steel and alloy - The sodium thiosulfate separation iodimetric 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 223.62, Methods for chemical analysis of iron, steel and alloy - The butyl acetate extraction photometric method for the determination of phosphorus content GB/T 223.64, Iron, steel and alloy - Determination of manganese content - Flame atomic absorption spectrometric method GB/T 223.72, Iron, steel and alloy - Determination of sulfur content - Gravimetric method GB/T 223.86, Steel and iron - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 226, Test method for macrostructure and defect of steel by etching GB/T 231.1, Metallic materials - Brinell hardness test - Part 1. Test method GB/T 247, General rule of package mark and certification for steel plates (sheets) and strips GB/T 709, Dimension, shape, weight and tolerances for hot rolled sheets and strips GB/T 1299-2014, Tool and mould steels GB/T 1979, Standard diagrams for macrostructure and defect of structural steels GB/T 2101, General requirement of acceptance packaging, marking and certification for section steel GB/T 2970-2016, Method for ultrasonic testing of thicker steel plates GB/T 2975, Steel and steel products - Location and preparation of test pieces for mechanical testing GB/T 4336, Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method) GB/T 6402, Steel forgings - Method for ultrasonic testing GB/T 8170, Rules of rounding off for numerical values and expression and judgement of limiting values GB/T 10561-2005, Steel - Determination of content of nonmetallic inclusions - Micrographic method using standards diagrams GB/T 17505, Steel and steel products - General technical delivery requirements GB/T 20066, Steel and iron - Sampling and preparation of samples for the determination of chemical composition GB/T 20123, Steel and iron - Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)3 Ordering contentThe contract or order for the ordering of steels in accordance with this Part shall at least include the following content. a) number of this Part; b) product name; c) designation (see 5.1); 4 Macrostructure Round steel, square steel and flat steel 2 pcs/batch Different pieces of steels GB/T 226, Annex A to GB/T 1299-2014 or GB/T 1979 5 Non-metallic inclusion Round steel, square steel and flat steel 2 pcs/batch Different pieces of steels Method A of GB/T 10561-2005 Steel plates (sheets) 1 pc/batch Any piece of steel plates (sheets) 6 Dimension and shape Each pc - Measuring tools which meet accuracy requirements 7 Surface quality Each pc - Visual inspection and measuring tools 6.2 The chemical composition of steels is analyzed in accordance with GB/T 4336, GB/T 20123 or general test methods, but it shall be carried out during arbitration in accordance with GB/T 223.5, GB/T 223.11, GB/T 223.18, GB/T 223.23, GB/T 223.62, GB/T 223.64, GB/T 223.72 and GB/T 223.86.7 Inspection rules7.1 Inspection and acceptance The quality inspection and acceptance of steels is the responsibility of the quality supervision department of the supplier. If necessary, the purchase shall be entitled to carry out inspection and acceptance as specified in this Part. 7.2 Group-batch rules Steels shall be accepted by batch. Each batch of steels comprises steels of the same designation, furnace number, delivery condition, specification and heat treatment batch. 7.3 Sampling quantities and sampling locations The sampling quantities and sampling locations for the inspection of steels shall be as specified in Table 6. 7.4 Re-inspection and criteria 7.4.1 When the inspection results of steels fail to meet the requirements of this Part, re-inspection can be carried out. The re-inspection and criteria for test items shall be as specified in GB/T 17505. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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