Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 23293-2021 English PDF

US$188.00 · In stock
Delivery: <= 1 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23293-2021: Nitride bonded refractory products and their related mortars
Status: Valid

GB/T 23293: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 23293-2021188 Add to Cart 1 days Nitride bonded refractory products and their related mortars Valid
GB/T 23293-2009130 Add to Cart Auto, < 3 mins Nitride bonded refractory products and their mortars Obsolete

Similar standards

GB/T 23294   GB/T 17911   GB/T 14982   GB/T 26563   

Basic data

Standard ID: GB/T 23293-2021 (GB/T23293-2021)
Description (Translated English): Nitride bonded refractory products and their related mortars
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q44
Word Count Estimation: 10,180
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23293-2021: Nitride bonded refractory products and their related mortars

---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.
Nitride bonded refractory products and their related mortars ICS 81.080 CCSQ44 National Standards of People's Republic of China Replace GB/T 23293-2009 Nitride-bonded refractory products and their Matching refractory mud Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 23293-2009 "Nitride Bonded Refractory Products and Its Supporting Refractory Mud", and is compatible with GB/T 23293-2009 In comparison, the main technical changes are as follows. a) Modified the scope of application of the standard (see Chapter 1, Chapter 1 of the.2009 edition); b) Added the definition of refractory mortar for nitride-bound refractory products (see 3.2); c) Added J-DGT, J-DWT and JN grades and their technical indicators (see Chapter 4, Table 1, Table 2 and Table 3); d) Added the batch average value (μ0) and batch standard deviation estimate (σ) of the qualified quality of nitride-bound refractory products (see Table 2); e) The chemical composition of nitride-bound refractory products and supporting refractory slurries has been added as acceptance inspection items (see 7.2.3). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed and managed by the National Refractory Standardization Technical Committee (SAC/TC193). This document was drafted by. Sinosteel Luoyang Refractory Research Institute Co., Ltd., Sinosteel Luonai Technology Co., Ltd., Shandong Refractories Group Lunai Ceramics Co., Ltd., Yixing Yuxi Ceramics Co., Ltd., Shandong Bayan Special Refractory Material Factory. The main drafters of this document. Wen Biao, Cao Huiyan, Wan Longgang, Wang Peng, Zhai Wanyu, Xu Dayan, Wang Wenxue, Cai Guoqing, Qin Jiantao, Jiang Yuqing, Yu Yingjun, Fu Ruyan, Wang Lin, Li Yuhuai. The previous versions of this document and the documents replaced are as follows. --- First published as GB/T 23293-2009 in.2009; ---This is the first revision. Nitride-bonded refractory products and their Matching refractory mud

1 Scope

This document specifies the terms and definitions, classifications and grades, technical requirements, and tests of nitride-bound refractory products and their supporting refractory slurries. Methods, quality assessment procedures, packaging, marking, transportation, storage and quality certificates. This document is applicable to nitride-bonded refractory products and supporting refractory slurries used in electrolytic aluminum, steel, ceramics, coking and other industries.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 2997 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products GB/T 3001 Test method for flexural strength of refractories at room temperature GB/T 3002 Test method for high temperature flexural strength of refractories GB/T 4513.2 Unshaped refractory materials Part 2.Sampling GB/T 5072 Test method for compressive strength of refractory materials at room temperature GB/T 5990 Test method for thermal conductivity of refractory materials (hot wire method) GB/T 6900 Aluminium-silicon refractory chemical analysis method GB/T 7321 Preparation method of shaped refractory product samples GB/T 10325 Sampling inspection rules for acceptance of shaped refractory products GB/T 10326 Inspection method for size, appearance and section of shaped refractory products GB/T 14983 Test method for alkali resistance of refractories GB/T 15545 General provisions for packaging, marking, transportation, storage and quality certificates of unshaped refractory materials GB/T 16546 General provisions for packaging, marking, transportation, storage and quality certificates of shaped refractories GB/T 16555 Chemical analysis method for carbon, silicon carbide, nitride refractory materials GB/T 22459.3 Refractory mortar Part 3.Bonding time test method GB/T 22459.4 Refractory mortar Part 4.Normal temperature flexural bond strength test method GB/T 22459.5 Refractory mud part 5.particle size distribution (sieve analysis) test method GB/T 22588 flash method to measure thermal diffusivity or thermal conductivity YB/T 5012 Shape and size of refractory bricks for blast furnace and hot blast stove

3 Terms and definitions

The following terms and definitions defined in GB/T 10325 apply to this document. 3.1 Nitride bonded refractory product Silicon nitride, Sialon, silicon oxynitride, etc. and their composite nitrides are used as the binding phase, silicon carbide or corundum is the main crystal phase, and the main crystal
......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23293-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23293-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically in 24 hours. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 23293-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23293-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 23293-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23293-2021 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.