GB/T 9442-2024 English PDFUS$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 9442-2024: Silica sand for foundry Status: Valid GB/T 9442: Historical versions
Basic dataStandard ID: GB/T 9442-2024 (GB/T9442-2024)Description (Translated English): Silica sand for foundry Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J31 Classification of International Standard: 91.100.15 Word Count Estimation: 22,239 Date of Issue: 2024-04-25 Date of Implementation: 2024-04-25 Older Standard (superseded by this standard): GB/T 9442-2010 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 9442-2024: Silica sand for foundry---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 91:100:15 CCSJ31 National Standards of People's Republic of China Replace GB/T 9442-2010 Silica sand for foundry Released on 2024-04-25 2024-04-25 implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 9442-2010 "Silica sand for foundry": Compared with GB/T 9442-2010, in addition to structural adjustments and editorial In addition to the modifications, the main technical changes are as follows: a) The scope has been changed (see Chapter 1, Chapter 1 of the:2010 edition); b) Added the terms of roasted sand, high temperature linear expansion rate, conductivity of silica sand for casting, three-sieve concentration, bulk density, and true density and definitions (see Chapter 3, Chapter 3 of the:2010 edition); c) The classification and brand names have been changed (see Chapter 4, Chapter 4 of the:2010 edition); d) The mud content requirement has been changed (see 5:2, 5:2 of the:2010 edition); e) The moisture content requirement has been changed (see 5:4, 5:4 of the:2010 edition); f) The acid consumption value requirements have been changed (see 5:5, 5:5 of the:2010 edition); g) The requirements for fine powder content have been changed (see 5:7, 5:7 of the:2010 edition); h) Added requirements for burn-off, high temperature linear expansion rate, bulk density, true density, pH value and conductivity of silica sand for casting (see 5:8~5:13); i) Added test methods for high temperature linear expansion rate, bulk density, true density, pH value and conductivity (see 6:4 to 6:9); j) The inspection rules have been changed (see Chapter 7, Chapter 7 of the:2010 edition); k) Packaging, labeling, transportation and storage have been changed (see Chapter 8, Chapter 8 of the:2010 edition); l) Added the determination method of high temperature linear expansion rate of silica sand for casting (see Appendix D); m) Added the method for determining the bulk density of silica sand for casting (see Appendix E); n) Added the method for determining the pH value of silica sand for foundry (see Appendix F); o) Added the method for determining the electrical conductivity of silica sand for foundry (see Appendix G): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document is proposed and coordinated by the National Casting Standardization Technical Committee (SAC/TC54): This document was drafted by: Tongliao Dalin Molding Sand Co:, Ltd:, Chengde Beiyan New Materials Technology Co:, Ltd:, Sanming Yijun Mechanical Casting Co:, Ltd:, Liujing Technology Group Co:, Ltd:, Hainan Wenchang Fuyao Silica Sand Co:, Ltd:, China Machinery Engineering Institute Group Shenyang Foundry Research Co:, Ltd:, Fujian Yiqiang Silica Sand Technology Co:, Ltd:, Jiangsu Wanheng Foundry Co:, Ltd:, Tianyang New Materials Technology Co:, Ltd:, Chengde Dong Weixin Materials Technology Co:, Ltd:, Qiqihar Heavy Casting Co:, Ltd:, Andaco (Jiangsu) Ceramics Co:, Ltd:, Huazhong University of Science and Technology, Foshan Vocational and Technical College, Tangshan Xinhuifeng Heavy Industry Metallurgical and Forging Co:, Ltd:, Jilin Chengding Precision Casting Co:, Ltd:, Yingkou Hengyuan Casting Materials Co:, Ltd:, Zhejiang Qianjin HVAC Technology Co:, Ltd:, Zhangwu County Lianxin Casting Silica Sand Co:, Ltd:, Guangdong Hongtu Technology Co:, Ltd: Co:, Ltd:, Meike (Guangzhou) New Materials Co:, Ltd:, Guangdong Shaozhu Precision Machinery Co:, Ltd:, Guangdong Huaao Alloy New Materials Co:, Ltd:, Shandong Longji Machinery Co:, Ltd:, Yantai Hongtian Auto Parts Co:, Ltd:, Shenyang Machine Tool Yinfeng Casting Co:, Ltd:, Fuxin Li Da Steel Casting Co:, Ltd: and Inner Mongolia First Machinery Group Co:, Ltd: The main drafters of this document are: Su Ruifang, Zhang Zhitao, Yin Shaokui, Han Bing, Li Yuancai, Chen Yixiu, Liu Yuanyi, Cao Qiao, Ren Wenqiang, Han Haitao, Zhang Xianwang, Chen Wenlong, Zhao Wei, Li Zhibo, Yu Haichun, Wang Hai, Gu Chunlong, Hu Zhongchao, Wang Yanchen, Liao Zhongjie, Huang Liang, Gao Zhongyu, Su Jianyong, Wang Xiankang, Zheng Xiaocui, Zhao Jianyuan, Gao Chao, Tong Linjun, Hu Shengli, Yi Liqun, Yang Jun, Zhu Yu, Deng Yuhui, Wang Qiang, Liu Xiaoliang, Liu Sha, and Wu Yuping: This document was first issued in:1998, revised for the first time in:2010, and this is the second revision: Silica sand for foundry1 ScopeThis document specifies the classification and grade, technical requirements, test methods, inspection rules, packaging, marking, transportation and Storage: This document applies to silica sand used for molding and core making in foundry production, including natural silica sand such as washed sand, scrubbed sand, selected sand, roasted sand, and artificial silica sand: Industrial silica sand:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 601 Preparation of standard titration solutions for chemical reagents GB/T 603 Preparation of preparations and products used in chemical reagent test methods GB/T 2684 Test methods for foundry sand and mixtures GB/T 5071 Test method for true density of refractory materials GB/T 5611 Casting Terminology GB/T 6003:1 Technical requirements and inspection of test sieves Part 1: Wire mesh test sieves GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 7143 Chemical analysis method for silica sand for foundry3 Terms and definitionsThe terms and definitions defined in GB/T 5611 and the following apply to this document: 3:1 Quartz (SiO2) is the main mineral component, and the particle size is 0:020mm~3:350mm: Note: According to the different mining methods, it can be divided into natural silica sand and artificial silica sand; according to the different processing methods, it can be divided into washed sand, scrubbed sand, selected sand, roasted sand, etc: 3:2 baked sand Natural silica sand for casting that has been calcined at high temperature (600℃~900℃): 3:3 The linear change of the silica sand sample particles after free expansion at 1000℃ and the original size of the sample particles at room temperature (25℃) The percentage rate (%): 3:4 The ability of a solution containing a certain amount of silica sand to conduct electric current: Note: Generally used to describe the cleanliness of silica sand surface (electrochemical properties): ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 9442-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 9442-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 9442-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 9442-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
