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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 2988-2023: High alumina bricks Status: Valid GB/T 2988: Historical versions
Basic dataStandard ID: GB/T 2988-2023 (GB/T2988-2023)Description (Translated English): High alumina bricks Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q42 Classification of International Standard: 81.080 Word Count Estimation: 10,129 Date of Issue: 2023-08-06 Date of Implementation: 2024-03-01 Older Standard (superseded by this standard): GB/T 2988-2012 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 2988-2023: High alumina bricks---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 81.080 CCSQ42 National Standards of People's Republic of China Replace GB/T 2988-2012 High alumina brick Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee ForewordThis document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 2988-2012 "High Alumina Bricks". Compared with GB/T 2988-2012, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. a) Delete the grades of ordinary high alumina bricks LZ-75G and LZ-55G (see Table 1 of the.2012 version); b) Added indicators such as low creep high alumina bricks Fe2O3, TiO2 and thermal shock resistance (see Table 2); c) Added low creep high alumina brick DRL-145K brand (see Table 2); d) Changed some indicators of low creep high alumina bricks (see Table 2,.2012 version of Table 2). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Refractory Materials Standardization Technical Committee (SAC/TC193). This document was drafted by. Sinosteel Luonai Technology Co., Ltd., Luoyang Anike Technology Co., Ltd., Shandong Refractories Group Lunai Kiln Industry Co., Ltd., Zhengzhou Ruitai Refractory Technology Co., Ltd., Shanxi Yangquan Hualing Refractory Materials Co., Ltd., Zhejiang Jincheng New Materials Co., Ltd. Co., Ltd., Sinosteel Luonai (Luoyang) New Materials Co., Ltd., Zhejiang Hongfeng Furnace Co., Ltd., Henan Kaixiang Industrial Co., Ltd., Yangquan Xiaqian Refractory Materials Co., Ltd., Zhengzhou Dongfang Furnace Lining Materials Co., Ltd. The main drafters of this document. Wang Yuxia, Li Yuan, Che Lianfang, Li Fuchao, Shi Chenglong, Yin Kunbao, Li Wei, Wang Yichang, Wang Liwang, Liu Yong, Yi Weifang, Liu Huikai, Zhang Feishou, Zhang Pengfei, Cai Guoqing, Lei Qizhen, Li Yuanjin, Zhu Guoping, Liu Lun, Li Shaopeng, Yang Peipei, Shi Gaijun, Cui Yalei, Wang Xuyuan, Wang Qi, Zhou Yong, Zhou Zhiyang, Shi Xuanhong. The previous versions of this document and the documents it replaces are as follows. ---First published as GB/T 2988-1982 in 1982, revised for the first time in 1987, and revised for the second time in.2004; ---In the third revision in.2012, YB/T 5015-1993 "High Aluminum Bricks for Blast Furnaces" and YB/T 5016-2000 "For Hot Blast Stoves" were incorporated High alumina bricks", YB/T 5017-2000 "High alumina bricks for steelmaking electric furnace roofs", YB/T 5020-2002 "High alumina bricks for steel drums" content; ---This is the fourth revision. High alumina brick1 ScopeThis document stipulates the classification, brand, shape and size, technical requirements, test methods, quality assessment procedures, packaging, marking, and transportation of high alumina bricks. transport, storage and quality certificates. This document is applicable to ordinary high alumina bricks and low creep high alumina bricks used in high temperature kilns.2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 2992.1 Shape and dimensions of refractory bricks Part 1.General bricks GB/T 2997 Test method for volume density, apparent porosity and true porosity of dense shaped refractory products GB/T 5072 Test method for compressive strength at room temperature of refractory materials GB/T 5073 Compressive creep test method for refractory materials GB/T 5988 Test method for permanent linear change of refractory materials when heated GB/T 6900 Chemical analysis method for aluminum-silicon refractory materials GB/T 7321 Preparation method for specimens of shaped refractory products GB/T 10325 Sampling inspection rules for acceptance of shaped refractory products GB/T 10326 Inspection methods for size, appearance and cross-section of shaped refractory products GB/T 16546 General provisions for packaging, marking, transportation, storage and quality certificates of shaped refractory materials GB/T 18930 Refractory terminology GB/T 20511 Classification rules for refractory products GB/T 21114 Cast glass sheet method for X-ray fluorescence spectrochemical analysis of refractory materials GB/T 30873-2014 Test method for thermal shock resistance of refractory materials YB/T 370 Test method for softening temperature under load of refractory materials (non-differential-heating method)3 Terms and definitionsThe terms and definitions defined in GB/T 18930 and the following apply to this document. 3.1 Fired ordinary high-aluminum products using calcined alumina as the main raw material. 3.2 Fired high-aluminum products with low creep rates. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 2988-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 2988-2023_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 2988-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2988-2023 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. |
