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GB/T 5680-2023: Austenitic manganese steel castings 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 5680: Historical versions
GB/T 5680-2023: Austenitic manganese steel castings---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/GBT5680-2023GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.80 CCS J 31 Replacing GB/T 5680-2010 Austenitic Manganese Steel Castings (ISO 13521.2015, MOD) Issued on. MAY 23, 2023 Implemented on. MAY 23, 2023 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 Terms and Definitions... 7 4 Order Information... 7 5 Manufacturing Process... 7 6 Technical Requirements... 7 7 Test Methods... 11 8 Inspection Rules... 13 9 Marking, Certificate of Conformity, Packaging, Transportation and Storage... 18 Appendix A (informative) Comparison of Structural No. between this Document and ISO 13521.2015... 20 Appendix B (informative) Technical differences between this Document and ISO 13521.2015 and Reasons for These Differences... 21ForewordThis document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives for Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents. This document serves as a replacement of GB/T 5680-2010 Austenitic Manganese Steel Castings. In comparison with GB/T 5680-2010, apart from structural adjustments and editorial modifications, the main technical changes are as follows. a) The expression method of five designations is modified (see Table 1; Table 1 of Version 2010); b) A designation of chromium-molybdenum austenitic manganese steel casting is added (see Table 1); c) The tensile properties and impact properties of some designations of manganese steel specimens are added (see Table 2); d) Metallographic structure and the corresponding test methods and inspection rules are added (see 6.4, 7.3 and 8.8); e) Room-temperature tensile properties and impact properties, and the corresponding test methods and inspection rules are added (see 6.6, 7.4 and 8.9); f) Bending properties and the corresponding test methods and inspection rules are added (see 6.6, 7.5 and 8.10); g) Test blocks are added to the inspection rules (see 8.4); h) The validity of tests is added to the inspection rules (see 8.5); i) Appendix A and Appendix B of Version 2010 are deleted (see Appendix A and Appendix B of Version 2010). This document modifies and adopts ISO 13521.2015 Austenitic Manganese Steel Castings. In comparison with ISO 13521.2015, this document has many structural adjustments. See Appendix A for a table of comparison of structural No. changes between the two documents. In comparison with ISO 13521.2015, this document has many technical differences, which are marked with a vertical single line () in the outer margin of the clauses involved. See Appendix B for a table of these technical differences and the reasons for these differences. Please be noted that certain content of this document may involve patents. The institution issuing this document does not undertake the responsibility of identifying these patents. This document was proposed by and shall be under the jurisdiction of National Technical Committee 54 on Foundry of Standardization Administration of China (SAC/TC 54). The drafting organizations of this document. Jinan University; Zhengzhou Dingsheng High- tech Energy Engineering Technology Co., Ltd.; Zhejiang Huasheng Metal Products Co., Ltd.; Zhejiang Wujing Machinery Manufacturing Co., Ltd.; Harbin Bo Shen Technology Development Co., Ltd.; Guangdong Torch Test Co., Ltd.; Jiangxi Copper Group (Dexing) Casting Co., Ltd.; Guangxi Great Wall Machinery Co., Ltd.; Zhejiang Yu Rong Industries Co., Ltd.; Shaoguan Qujiang Jinyang Wear-resistant Materials Co., Ltd.; Zhongtie Baoqiao Group Co., Ltd.; Hunan Zijing New Material Technology Co., Ltd.; Chengde Rongmao Cast Steel Co., Ltd.; Sanming Jinsheng Special Steel Co., Ltd.; Ningguo Dongfang Milling Material Co., Ltd.; Yunnan Kungang Wear-resistant Material Technology Co., Ltd.; Shaoguan Qirui Environmental Protection Equipment Co., Ltd.; Guangdong Jin Zhi Li Technology Co., Ltd.; Shandong Tianli Machinery Casting Co., Ltd.; Zhejiang Kaicheng Foundry Co., Ltd.; Shenyang Research Institute of Casting. The main drafters of this document. Li Wei, Lu Hongbo, Fang Dequan, Bin Yuanhong, Shan Yuhua, Zhu Jianfeng, Chen Jinxiang, Zhou Zheng, Li Wenzheng, Hu Yong, Zhao Dongkai, Feng Haibin, Xue Wenfeng, Wang Hanchao, Wang Jingrong, Liu Guobing, Cui Shaogang, Song Liang, Tu Xiaohui, Wang Jinghui, Qin Yanping, Fang Debiao, Jiang Qingwei, Li Echeng, Li Canhui, Yang Shangguang, Chen Hongjun, Cheng Jingchang. This document was firstly issued in 1985, firstly revised in 1998 and secondly revised in 2010. This is the third revision. Austenitic Manganese Steel Castings1 ScopeThis document specifies the order information, manufacturing process, technical requirements, test methods, inspection rules, marking, certificate of conformity, packaging, transportation and storage of austenitic manganese steel castings.2 Normative ReferencesThe contents of the following documents constitute indispensable clauses of this document through the normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.4 Alloyed Steel - Determination of Manganese Content - Potentiometric or Visual Titration Method3 Terms and DefinitionsThe terms and definitions defined in GB/T 5611 are applicable to this document.4 Order Information4.1 The demand-side should specify the material designation, supply quantity, name of casting, delivery state, technical requirements and inspection items of austenitic manganese steel castings (hereinafter referred to as “castings”). 4.3 When the demand-side has special requirements or other supplementary requirements, the demand-side and the supply-side shall jointly determine through negotiation.5 Manufacturing Process5.1.1 Unless the demand-side has special requirements, the smelting method of alloy materials shall be determined by the supply-side. 5.1.2 Unless the demand-side has special requirements, the casting and forming process and method shall be determined by the supply-side.6 Technical Requirements6.1.2 Through the negotiation between the demand-side and the supply-side, the metallographic structure, tensile properties, impact properties and bending properties of castings, test blocks and specimens, as well as non-destructive testing of casting quality can be performed at room temperature. If the castings are deformed, they can be corrected after the water toughening treatment and at room temperature, so as to satisfy the dimensional and geometrical tolerance requirements of the castings.7 Test MethodsThe Brinell hardness test shall be carried out in accordance with the stipulations of GB/T 231.1. The welding procedure qualification before welding repair of the castings shall be carried out in accordance with the stipulations of GB/T 40800. The correction of the castings shall adopt the method of pressure-forming.8 Inspection RulesThe division of inspection batches shall be based on one of the following three modes. The specific requirements shall be determined by the demand-side and the supply-side through negotiation and specified in the order contract. Each smelting furnace is considered as one batch. From each batch, take one specimen for the inspection of chemical composition. If the inspection result is disqualified, then, double sampling and re-inspection will be required.9 Marking, Certificate of Conformity, Packaging, Transportation and StorageAfter the castings pass the inspection, they shall be protected and packaged. The protection, packaging, transportation and storage of the castings shall comply with the stipulations of the order contract. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 5680-2023 be delivered?Answer: The full copy PDF of English version of GB/T 5680-2023 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 5680-2023_English with my colleagues?Answer: Yes. 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