GB/T 3994: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3994-2013 | English | 90 |
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Insulating fireclay refractory bricks
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GB/T 3994-2013
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| GB/T 3994-2005 | English | 239 |
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Shaped insulating refractory products -- Fireclay bricks
| Obsolete |
GB/T 3994-2005
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| GB/T 3994-1983 | English | 199 |
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Shaped insulating refractory products--Fireclay bricks
| Obsolete |
GB/T 3994-1983
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PDF similar to GB/T 3994-2013
Basic data | Standard ID | GB/T 3994-2013 (GB/T3994-2013) | | Description (Translated English) | Insulating fireclay refractory bricks | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q42 | | Classification of International Standard | 81.080 | | Word Count Estimation | 6,674 | | Older Standard (superseded by this standard) | GB/T 3994-2005 | | Quoted Standard | GB/T 2992.1; GB/T 2998; GB/T 5072; GB/T 5988; GB/T 7321; GB/T 10325; GB/T 10326; GB/T 16546; YB/T 4130 | | Regulation (derived from) | National Standards Bulletin 2013 No. 17 | | 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: clay insulating firebrick classification, shape and size, technical requirements, test methods, quality assessment procedures, packaging, labeling, transportation, storage and quality certificates. This standard applies to: insula | GB/T 3994-2013: Insulating fireclay refractory 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.
Insulating fireclay refractory bricks
ICS 81.080
Q42
National Standards of People's Republic of China
Replacing GB/T 3994-2005
Clay insulating firebrick
Issued on. 2013-09-06
2014-05-01 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 3994-2005 "clay insulating firebrick," compared with the GB/T 3994-2005, the main technical change
as follows.
--- Increasing the terms, definitions and symbols;
--- Increased NG140-1.5, NG115-0.5 grades deletion of NG135-1.1, NG115-0.4 grades;
--- Modify some cold compressive strength, on heating and other indicators;
--- Modify the quality of the assessment procedures.
This standard by the National Standardization Technical Committee Refractories (SAC/TC193) and focal points.
This standard was drafted. Sinosteel Refractory Co., Ltd., Pingdingshan new Refractories Co., Ltd. Yixing Morgan Thermal Ceramics has
Ltd., Dengfeng City, South Hao Refractories Co., Ltd., Wuhan Weilin lining material limited liability company.
The main drafters of this standard. Li willing, Deng Junjie, change military history, Li Zhou, Yin Jun, Wu Dehua, Yin Bo, Dong Weijie, Park Su Ping, Lam bridge.
This standard replaces the standards previously issued as follows.
--- GB/T 3994-1983, GB/T 3994-2005.
Clay insulating firebrick
1 Scope
This standard specifies the classification of insulating firebrick clay, shape and size, technical requirements, test methods, quality assessment procedures, packaging, marking
Chi, transportation, storage and quality certificate.
Clayey This standard applies to insulation and do not melt and high temperature erosive effect of gas furnace with heat-resistant lining work
Brick.
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 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
YB/T 4130 refractory material of thermal conductivity (water flow plate method)
3 Terms and Definitions
Terms and definitions GB/T 10325 apply to this document defined.
4 Classification, shapes and sizes
4.1 Performance indicators divided by brick. NG140-1.5, NG135-1.3, NG135-1.2, NG130-1.0, NG125-0.8, NG120-0.6,
NG115-0.5 seven grades. Grades in N, G represent sticky, every Chinese characters Pinyin initials, numbers 140,135, respectively, on behalf of
Clay insulating firebrick on heating test temperature of the first three digits, 1.5,1.3, respectively, on behalf of the bulk density of brick.
4.2 brick shape and size according to GB/T 2992.1 conduct, also drawings provided by the demand side.
5 Technical requirements
5.1 Brick performance indicators should meet the requirements of Table 1.
5.2 tiles size tolerances and appearance shall conform to Table 2.
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