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GB/T 10423-2025: Sintered metal friction materials - Determination of tensile strength
Status: Valid GB/T 10423: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 10423-2025 | English | 169 |
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Sintered metal friction materials - Determination of tensile strength
| Valid |
GB/T 10423-2025
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| GB/T 10423-2002 | English | 139 |
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Sintered metal friction materials -- Determination of tensile strength
| Valid |
GB/T 10423-2002
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| GB/T 10423-1989 | English | 199 |
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Sintered metal friction materials--Determination of tension strength
| Obsolete |
GB/T 10423-1989
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PDF similar to GB/T 10423-2025
Basic data | Standard ID | GB/T 10423-2025 (GB/T10423-2025) | | Description (Translated English) | Sintered metal friction materials - Determination of tensile strength | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H72 | | Classification of International Standard | 77.160 | | Word Count Estimation | 8,836 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 10423-2002 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 10423-2025: Sintered metal friction materials - Determination of tensile strength---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT10423-2025
ICS 77.160
CCSH72
National Standard of the People's Republic of China
Replaces GB/T 10423-2002
Determination of tensile strength of sintered metal friction materials
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Principle 1
5 Instruments and Equipment 1
6 Sample 2
7 Test Step 3
8 Experimental data processing 3
9 Uncertainty 3
10 Test Report 3
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 10423-2002.Compared with GB/T 10423-2002, in addition to structural adjustments and editorial changes, the main technical
The technical changes are as follows.
--- Added the term "tensile strength" and its definition (see Chapter 3);
--- Added test environment requirements (see Chapter 4);
--- Changed the accuracy requirements of the testing machine (see 5.1, 3.1 of the.2002 edition);
--- Added requirements for extensometers and specimen size measuring instruments (see 5.2, 5.4);
--- Increased requirements for sample preparation (see 6.2);
--- Increased sample preparation requirements (see 7.1);
--- Changed the test speed requirements (see 7.3, 5.3 of the.2002 edition);
--- Added test requirements (see 7.4);
--- Changed the requirements for rounding off of test results (see 8.2, Chapter 7 of the.2002 edition);
--- Increased uncertainty requirements (see Chapter 9);
--- Changed the test report content requirements (see 10.2, 8.2 of the.2002 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the China Machinery Industry Federation.
This document was drafted by. Beijing Youcai Baimu Aviation Equipment Co., Ltd., Huangshi Saifu Friction Material Co., Ltd., Shaanxi Yichuang Titanium Zirconium Inspection Co., Ltd.
Co., Ltd., Hangzhou Advance Gearbox Group Co., Ltd., and Northwest Research Institute of Nonferrous Metals.
The main drafters of this document are. Wang Xiufei, Wang Zhenbo, Lü Bo, Wei Jiangwen, Xu Chengfa, Li Aijun, He Chen, Xu Kun, and Tan Ping.
The previous versions of this document and the documents it replaces are as follows.
---First published in 1989 as GB/T 10423-1989;
---First revised in.2002;
---This is the second revision.
Determination of tensile strength of sintered metal friction materials
1 Scope
This document specifies the method for the determination of the room temperature tensile strength of sintered metallic friction materials.
This document is applicable to the determination of tensile strength of sintered metal friction materials.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 228.1-2021 Tensile testing of metallic materials Part 1.Room temperature test method
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 12160 Calibration of extensometer systems for uniaxial testing of metallic materials
GB/T 16825.1 Inspection and calibration of static uniaxial testing machines for metallic materials Part 1.Tension and/or compression tests
Inspection and calibration of machine force measurement system
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
tensile strength
σb
The maximum tensile stress that a specimen can withstand under axial tensile force until failure.
Note. The unit is MPa.
4 Principles
The maximum load that the specimen can withstand before breaking is divided by the stress obtained at the area of the minimum cross-section of the original specimen as the tensile strength.
Unless otherwise specified, the test is generally carried out at room temperature within the range of 10℃~35℃. For tests with strict temperature requirements, the test temperature should be
23℃±5℃.
5 Instruments and Equipment
5.1 Testing machine
The force measuring system of the testing machine should comply with the requirements of GB/T 16825.1, and its accuracy should be Class 1 or better.
It has sufficient rigidity and should not become unstable within its tensile load range.
5.2 Extensometer
The extensometer should comply with the requirements of GB/T 12160 and its accuracy should be Class 1 or better.
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