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GB/T 34220-2017: Refractory products -- Determination of tensile strength at elevated temperature
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34220-2017 | English | 119 |
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Refractory products -- Determination of tensile strength at elevated temperature
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GB/T 34220-2017
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Basic data | Standard ID | GB/T 34220-2017 (GB/T34220-2017) | | Description (Translated English) | Refractory products -- Determination of tensile strength at elevated temperature | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q40 | | Classification of International Standard | 81.080 | | Word Count Estimation | 6,663 | | 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 34220-2017: Refractory products -- Determination of tensile 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 tensile strength at elevated temperature
ICS 81.080
Q40
National Standards of People's Republic of China
Refractory high temperature tensile strength test methods
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, Xue Junzhu, Cheng Wen Yong, Song Ya Nan.
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 and 5.5 of Chapter 5 and 7.3, 7.4 of Chapter 7,
7.5,7.9 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 high temperature tensile strength test methods
1 Scope
This standard specifies the terms and definitions of refractory high temperature tensile strength test methods, principles, equipment, samples, test procedures, the results of the meter
Calculate and test report.
This standard applies to the determination of high temperature tensile strength of refractory materials.
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 tensile strength tensilestrengthatelevatedtemperature
At high temperatures, the refractory material according to the provisions of the conditions of stretching, damage occurred before the unit area can withstand the ultimate tensile strength.
4 principle
Under high temperature conditions, the provisions of the size of the sample at a constant rate of tension until fracture, according to the maximum tensile specimen
Strength and cross-sectional area to calculate the high temperature tensile strength.
5 device
5.1 Tensile testing machine, showing the error within ± 2%. Tester shall be able to exert tensile stress at a rate of (0.15 ± 0.015) MPa/s,
Until the specimen is broken.
Sample fixture should meet the following requirements.
a) Fixtures should withstand high temperatures under test conditions;
b) upper and lower clamps should be able to ensure that the sample holding the coaxiality;
c) The contact surface width with the sample is not less than 10mm.
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