GB/T 3995-2014 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3995-2014	80	Add to Cart	Auto, < 3 mins	Insulating high alumina refractory bricks	Valid
GB/T 3995-2006	279	Add to Cart	3 days	Shaped insulating refractory products -- High alumina bricks	Obsolete
GB/T 3995-1983	239	Add to Cart	2 days	Shaped insulating refractory products-High alumina bricks	Obsolete

Similar standards

GB/T 23294   GB/T 14982   YB/T 5202.1   GB/T 16763   GB/T 35845   

Basic data

Standard ID: GB/T 3995-2014 (GB/T3995-2014)
Description (Translated English): Insulating high alumina refractory bricks
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q45
Classification of International Standard: 81.080
Word Count Estimation: 7,725
Date of Issue: 7/24/2014
Date of Implementation: 2/1/2015
Older Standard (superseded by this standard): GB/T 3995-2006
Quoted Standard: GB/T 2992.1; GB/T 2998; GB/T 5072; GB/T 5988; GB/T 6900; GB/T 7321; GB/T 10325; GB/T 10326; GB/T 16546; GB/T 16763; GB/T 21114; YB/T 4130
Regulation (derived from): National Standards Bulletin No. 19, 2014
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
Summary: This standard specifies the classification of high alumina insulating firebrick and shape and size, technical requirements, test methods, quality assessment procedures, packaging, labeling, transportation, storage and quality certificate. This standard ap

GB/T 3995-2014: Insulating high alumina refractory bricks

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Insulating high alumina refractory bricks ICS 81.080 Q45 National Standards of People's Republic of China Replacing GB/T 3995-2006 High alumina insulating firebrick Issued on. 2014-07-24 2015-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 3995-2006 "High alumina insulating firebrick," compared with the GB/T 3995-2006, the main technical content change Of the following. --- Increasing the terms and definitions; --- Removed DLG180-1.5L grades; --- Increased DLG135-0.6L grades; --- Introduction of qualified quality batch mean and standard deviation; --- Revised its physical and chemical indicators and appearance requirements. This standard by the National Standardization Technical Committee Refractories (SAC/TC193) and focal points. This standard was drafted. Fushun City, North refractories plant, Pingdingshan new Refractories Co., Ltd. Yixing Morgan Thermal Ceramics Co., Secretary, Dengfeng City, South Hao Refractories Co., Ltd., Wuhan Weilin Technology Co., Ltd., Shandong Luyang Co., Ltd. The main drafters of this standard. Full Hu, Tang Dianju, Huang Qian Zhang, Yin Jun, Dong Weijie, Subo Ping, Liu Changlei, Wu Dehua, Yin Bo, Chen Weiwei, Song Bo, Ma Zhongjun. This standard replaces the standards previously issued as follows. --- GB/T 3995-1983, GB/T 3995-2006. High alumina insulating firebrick

1 Scope

This standard specifies the classification of high alumina insulating firebrick and shape and size, technical requirements, test methods, quality assessment procedures, packaging, marking Chi, transportation, storage and quality certificate. This standard applies to thermal furnace insulation or in direct contact with hot molten material of the working layer of insulating firebrick high aluminum.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2992.1 bricks shapes and sizes - Part 1. General brick GB/T 2998 Shaped insulating refractory products bulk density and true porosity test methods GB/T 5072 Refractory cold crushing strength GB/T 5988 Test Methods for permanent change in refractory heating GB/T 6900 LAS Chemical analysis of refractories GB/T 7321 sample preparation method shaped refractory products GB/T 10325, shaped refractory products acceptance sampling inspection rules Inspection method GB/T 10326 Refractory products - size, appearance and section GB/T 16546, shaped refractory products packaging, labeling, transportation and storage GB/T 16763 Shaped insulating refractory products - Classification GB/T 21114 refractory X-ray fluorescence spectroscopy for chemical analysis of cast glass method YB/T 4130 refractory material of thermal conductivity (water flow plate method)

3 Definitions and symbols

Terms and definitions and symbols GB/T 10325 apply to this document defined.

4 size and shape classification

4.1 Classification Brick according to chemical composition divided into low iron insulating firebrick high aluminum and high alumina insulating firebrick general categories (Table 1). Models D, L, G Were low, aluminum, across the Pinyin initials; 170,160, 125, respectively, on behalf of the brick classification temperature (heating of permanent change Test temperature) of the first three digits; 1.3,1.0, and 0.5, respectively, on behalf of the bulk density of brick; L represents the end of the bulk density of the grade Less than GB/T 16763 of the predetermined value. 4.2 shape and size Brick shape and size should be consistent with the provisions of GB/T 2992.1, but also demand side design and manufacturing. ......

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