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GB/T 34505-2017Copper and copper alloy materials—Tensile testing at room temperature (English PDF)

铜及铜合金材料室温拉伸试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 14, 2017

Implementation date

May 1, 2018

Scope

GB/T 34505-2017 is the English-translated version of 铜及铜合金材料室温拉伸试验方法.

GB/T 34505-2017 is the Chinese national method for the tensile test on copper and copper alloy material at room temperature.

It gives the principle and the scope of the method, the definitions of the properties measured, the measurement of the specimen dimensions, the testing machine and its requirements, the conditions of the test, the determination of each property, the corrections applied to the measured values and the content of the test report.

It applies to the determination of the tensile properties of copper and copper alloys at room temperature. Mills, fabricators and their laboratories use it. Issued on 14 October 2017, it has applied since 1 May 2018.

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Document preview — GB/T 34505-2017

National Standard of the People's Republic of China

ICS: 77.040.10
Classification: H 22

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 principle
5 Sample
5.1 Sample classification
5.2 sample type and size
5.3 Sample Selection
5.4 Sample billet section and direction of interception
5.5 Sample Preparation
5.6 Sample Identification
6 test methods
6.1 Test Equipment
6.2 test temperature
6.3 Determination of the original cross-sectional area of the sample S0
6.4 Marking of the original gauge length L0 of the specimen
6.5 test force zero setting
6.6 Sample holding
6.7 Test rate
6.8 Determination of mechanical properties
7 Test results
7.1 Test results revise the value of
7.2 Test results processing
8 Test Report
Measurement Uncertainty
Appendix A (Informative) Determination of elongation at break less than 5%
Appendix B (Informative) Shift method to determine the elongation after breakage
Appendix C (Normative) Progressive approximation method to determine the provisions of plastic extension strength (RP)
Appendix D (Informative) Tension test measurement uncertainty assessment

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

1 Scope

This standard specifies the principles and scope of tensile testing methods for copper and copper alloy materials at room temperature, the definition of symbols and descriptions of terms, the sample and its ruler Inch measurement, test equipment, test requirements, performance measurement, measurement results revised value and test report.

This standard applies to the determination of copper and copper alloy tensile properties at room temperature.

This standard does not apply to special materials, such as composite, ultrafine, ultra-thin copper and copper alloy materials such as tensile properties at room temperature.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 8170 rounded repair rules and limit values of the representation and judgment

GB/T 10623 metallic materials mechanical properties test terms

GB/T 12160 single axis test extensometer calibration

GB/T 16825.1 static uniaxial testing machine test Part 1. Tensile and (or) pressure testing machine testing system and force measurement calibration

3 Terms, definitions and symbols

3.1 Terms and definitions GB/T 10623 defined and the following

terms and definitions apply to this document.

3.1.1 Fracture

When the sample occurs when the phenomenon of complete separation.

3.1.2 Extension

Increment of gauge gauge Le at any given moment during the test.

3.1.3 Elongation percentageextension

The extension percentage, indicated by the extensometer gauge Le.

3.1.4 Strain rate

eLe Strain increase per unit time measured with extensometer gauge Le.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 29 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

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