GB/T 7314-2017 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7314-2017	150	Add to Cart	Auto, < 3 mins	Metallic materials -- Compression test method at room temperature	Valid
GB/T 7314-2005	759	Add to Cart	4 days	Metallic materials -- Compression testing at ambient temperature	Obsolete
GB/T 7314-1987	639	Add to Cart	5 days	Metallic materials--Compression testing	Obsolete

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Basic data

Standard ID: GB/T 7314-2017 (GB/T7314-2017)
Description (Translated English): Metallic materials -- Compression test method at room temperature
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H22
Classification of International Standard: 77.040.10
Word Count Estimation: 17,194
Date of Issue: 2017-02-28
Date of Implementation: 2017-11-01
Older Standard (superseded by this standard): GB/T 7314-2005
Quoted Standard: GB/T 8170; GB/T 10623; GB/T 12160; GB/T 16825.1
Regulation (derived from): National Standard Announcement No. 4 of 2017
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
Summary: This standard specifies the terminology and definitions, principles, symbols and instructions for the room temperature compression test method for metal materials, test specimens, test equipment, test conditions, performance determination, repair of numerical results, test results, and test reports. This standard is applicable to the determination of the compressive strength, the total compressive strength, the upper compressive yield strength, the lower compressive yield strength, the compressive elastic modulus and the compressive strength of the metallic material for unidirectional compression at room temperature.

GB/T 7314-2017: Metallic materials -- Compression test method at room temperature

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Metallic materials - Compression test method at room temperature ICS 77.040.10 H22 National Standards of People's Republic of China Replacing GB/T 7314-2005 Standard Test Method for Atmospheric Compression of Metallic Materials 2017-02-28 released 2017-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface I 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 Principle 2 5 symbols and instructions 2 6 Sample 3 7 Test equipment 6 8 Test conditions 9 Performance test 10 performance test results of the revision of the value of 13 11 Test results 12 Test Report 14

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. The standard instead of GB/T 7314-2005 "metal materials at room temperature compression test method", compared with GB/T 7314-2005 main technology The content changes as follows. --- modified the standard English name; --- Added GB/T 8653 and GB/T 10623 two normative references (see Chapter 2); - modified terms and definitions (see Chapter 3); --- modified the principle of the statement (see Chapter 4); --- modify the sample of the legend, unified use of the new roughness labeling method (see Figure 1, Figure 2, Figure 3, Figure 4); - modified test conditions (see Chapter 8); - the numerical correction interval of the performance determination results has been modified (see Chapter 10); - the removal of the uncertainty of the performance determination results (see Chapter 11 of.2005); - modified test results (see Chapter 11, Chapter 12 of.2005); - modified part of the test report (see Chapter 12, Chapter 13 of.2005); - Appendix A has been deleted (see Appendix A of.2005). This standard is proposed by China Iron and Steel Industry Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). The drafting of this standard unit. Iron and Steel Research Institute, National University of Defense Technology, Metallurgical Industry Standard Information Research Institute. The drafters of this standard. Zhou Fenglan, Gao Yifei, Zheng Wenlong, Dong Li. This standard replaced the previous version of the standard release. GB/T 7314-1987, GB/T 7314-2005. Standard Test Method for Atmospheric Compression of Metallic Materials

1 Scope

This standard specifies the terms and definitions, principles, symbols and instructions for the testing of metallic materials at room temperature. Samples, test equipment, tests Condition, performance determination, performance determination results numerical correction, test results processing and test report. This standard applies to the determination of metal materials at room temperature, one-way compression of the specified plastic compression strength, the provisions of the total compressive strength, the upper compression yield Strength, compressive yield strength, compressive elastic modulus and compressive strength.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170 Test terminology for mechanical properties of metallic materials GB/T Calibration of extensometers for uniaxial test GB/T GB/T 16825.1 Tests for static uniaxial testing machines - Part 1. Tests for force measurement systems of tension and/or pressure testing machines calibration

3 terms and definitions

The following definitions and definitions as defined in GB/T 10623 apply to this document. 3.1 Buckling buckling In addition to compression failure caused by compression, the following methods may also occur compression failure. a) due to non-axial force caused by the cylindrical specimen in its length of the elastic instability; b) Inelastic instability of the column specimen at its full length; c) elastic or inelastic local instability on small areas of plate specimens; d) Twist or torsion failure occurs when the cross section of the specimen is rotated about its longitudinal axis. These types of failures are collectively referred to as buckling. 3.2 One-way compression singlecompression When the specimen is subjected to axial compression, the effect of bending is negligible, and the stress in the gauge is evenly distributed, and no buckling occurs during the test. 3.3 Sample original gauge gaugeoriginalgaugelength L0 To measure the original length of the part of the specimen deformation, the length should not be less than the width or diameter. 3.4 Actual compression force realcompressionforce The force acting in the direction of the specimen axis during the compression process; the plate-like specimen, which is clamped in the restraint device, is the midpoint of the gauge ......

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