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GB/T 2275-2017 English PDF

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GB/T 2275-2017: Magnesia and magnesia-alumina bricks
Status: Valid

GB/T 2275: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 2275-2017English119 Add to Cart 3 days [Need to translate] Magnesia and magnesia-alumina bricks Valid GB/T 2275-2017
GB/T 2275-2007English90 Add to Cart 0--9 seconds. Auto-delivery Magnesia and magnesia-alumina refractory bricks Obsolete GB/T 2275-2007
GB/T 2275-2001English239 Add to Cart 2 days [Need to translate] Magnesia refractory bricks Obsolete GB/T 2275-2001
GB/T 2275-1987English199 Add to Cart 2 days [Need to translate] Magnesia and magnesia-silica refractory bricks Obsolete GB/T 2275-1987

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Basic data

Standard ID GB/T 2275-2017 (GB/T2275-2017)
Description (Translated English) Magnesia and magnesia-alumina bricks
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q43
Word Count Estimation 6,672
Date of Issue 2017-09-07
Date of Implementation 2018-08-01
Older Standard (superseded by this standard) GB/T 2275-2007
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 2275-2017: Magnesia and magnesia-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.
Magnesia and magnesia-alumina bricks ICS 81.080 Q43 National Standards of People's Republic of China Replacing GB/T 2275-2007 Magnesia brick and magnesia brick 2017-09-07 Posted 2018-08-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 2275-2007 "magnesia brick and magnesia-alumina brick", compared with GB/T 2275-2007, the main technical changes are as follows. --- Added terms and definitions (see Chapter 3); --- Removed M-93, M-87, MLZ-80A, MLZ-80B, MLJ-70 grades, added MLZ-80, MLJ-90, MLJ-85 (See.2007 version 4.1); --- Modify the magnesia brick, magnesia-alumina brick and magnesia spinel brick chemical composition, apparent porosity, compressive strength at room temperature, load softening temperature, etc. Indicators (see tables 2 and 3,.2007 edition tables 2 and 3); --- Increased the quality of qualified batch average and standard deviation (see Table 2 and Table 3); --- Modify the sampling and acceptance rules for acceptance rules (see 7.2,.2007 version 6.2). Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the National Refractory Standardization Technical Committee (SAC/TC193) and focal point. This standard was drafted unit. China Steel Group Refractories Co., Ltd., Henan Ruitai Refractory Technology Co., Ltd., Dashiqiao City, built magnesium Brick Co., Ltd. The main drafters of this standard. Wu Yanxia, Zheng Desheng, Bai Wenxian, Liu Xijun, Liu Zhao, Ren Xiang Yang, Zhao Hongbo, Tang Jiabin, Yang Zongxin. This standard replaces the standards previously issued version. --- GB 2275-1987, GB 2275-2001, GB/T 2275-2007. Magnesia brick and magnesia brick

1 Scope

This standard specifies the magnesium brick, magnesium aluminum brick and spinel magnesia terms and definitions, classification, shape and size, technical requirements, test methods, quality Assessment procedures, packaging, marking, transport, storage and quality certificates. This standard applies to steel, nonferrous metals and building materials such as industrial furnaces magnesia brick, magnesium aluminum brick and magnesium aluminum spinel brick.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2992.1 firebrick shape and size - Part 1. General purpose brick GB/T 2997 dense shaped refractory products bulk density, apparent porosity and true porosity test method GB/T 5069 magnesium aluminum refractory chemical analysis methods GB/T 5072 refractory materials at room temperature compressive strength test methods GB/T 5988 refractory heating permanent change test method GB/T 7321 shaped refractory products sample preparation method GB/T 10325 Shaped refractory products acceptance inspection sampling rules GB/T 10326 shaped refractory products size, appearance and cross-section of the inspection methods GB/T 16546 Shaped refractory products packaging, marking, transportation and storage Refractory materials - X - ray fluorescence spectrometric chemical analysis - Cast glass method Refractory materials - Thermal shock resistance test methods YB/T 370 Refractory material softening temperature test method (non-differential - heating method)

3 Terms and definitions

GB/T 10325 and defined by the following terms and definitions apply to this document. 3.1 Magnesiabrick Magnesia as the main raw material, the high temperature firing made of periclase as the main mineral alkaline refractory products. 3.2 Magnesia-aluminabrick Magnesia and corundum or bauxite as the main raw material, fired at high temperature to periclase-based mineral phase, combined with magnesium-aluminum spinel Phase of alkaline refractory products. 3.3 Magnesia-aluminaspinelbrick Magnesia and spinel as the main raw material, fired at high temperature to periclase and magnesium aluminum spinel as the main mineral composition of alkaline

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2275-2017 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.