GB/T 34217-2017 English PDF

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GB/T 34217-2017: Refractory products -- Determination of torsion strength at elevated temperature
Status: Valid

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Basic data

Standard ID: GB/T 34217-2017 (GB/T34217-2017)
Description (Translated English): Refractory products -- Determination of torsion strength at elevated temperature
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q40
Classification of International Standard: 81.080
Word Count Estimation: 6,652
Date of Issue: 2017-09-07
Date of Implementation: 2018-08-01
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 34217-2017: Refractory products -- Determination of torsion strength at elevated temperature

---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.
Refractory products - Determination of torsion strength at elevated temperature ICS 81.080 Q40 National Standards of People's Republic of China Refractory materials high temperature torsional strength test method 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 by the National Refractory Standardization Technical Committee (SAC/TC193) and focal point. This standard was drafted unit. Wuhan University of Science and Technology, Hubei Province Refractory Products Quality Supervision and Inspection Station, Zhejiang self-independent alumina materials Technology Co., Ltd., Zhejiang Independent Co., Ltd. The main drafters of this standard. Ge Shan, Yin Yucheng, Zhu Qingyou, Liu Zhiqiang, Zhao Yi, Wu Bin, Shen Mingke.

Introduction

The issuing authority of this document draws attention to the fact that statements that conform to this document may relate to Articles 5.4, 5.5 and 5.6 of Chapter 5 and 7.3, 7.5 of Chapter 7 Article related to the use of patents. The issuing authority of this document has no position whatsoever about the truthfulness, validity and scope of this patent. The patentee has assured the issuing authority of this document that he is willing to work with any applicant on reasonable and non-discriminatory terms and conditions, Negotiate a patent license. The patent holder's statement has been filed with the issuing authority of this document. Related information can be passed below Contact to get. Patent holder name. Wuhan University of Science and Technology. Address. No. 947 Heping Avenue, Qingshan District, Wuhan City, Hubei Province. Please note that in addition to the above patents, some of the contents of this document may still involve patents. The issuing agencies of this document are not responsible for identifying these specializations Lee's responsibility. Refractory materials high temperature torsional strength test method

1 Scope

This standard specifies the terminology and definitions, principles, equipment, samples, test procedures, the results of the test method of high temperature torsion strength of refractory materials Calculate and test report. This standard applies to refractory high temperature torsion strength determination.

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 7321 shaped refractory products sample preparation method GB/T 8170 rounded repair rules and limit values of the representation and judgment GB/T 10325 Shaped refractory products acceptance inspection sampling rules GB/T 17617 refractory raw materials and amorphous refractory samples GB/T 18930 refractories terminology YB/T 5202.1 amorphous refractory sample preparation methods - Part 1 refractory castables

3 Terms and definitions

GB/T 18930 defined and the following terms and definitions apply to this document. 3.1 High temperature torsion strength torsionstrengthatelevatedtemperature At high temperatures, the sample is loaded at a specified rate of loading torque, the specimen can withstand the failure of the ultimate shear stress. 3.2 Tension temperature torsionfracturetemperature Under constant torque, the temperature at which the specimen ruptures with increasing temperature. Torsion angle of deformation of the starting point of temperature (T0) and Torque reduction at 20% of the temperature (T20). 3.3 High temperature torsion creep torsioncreepatelevatedtemperature The torque or temperature at which the specimen is set, the angle of twist or breakage caused by the specimen during the holding process or within a certain period of time. 3.4 Torsion angle torsionangle Deformation angle from the beginning of the test to the end of the test.

4 principle

At the set temperature, the specified size of the sample at a constant rate of torque until the fracture, that is, the sample can not afford to go further ......

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