GB/T 10128-2007 English PDF

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GB/T 10128-2007: Metallic materials -- Torsion test at ambient temperature
Status: Valid

GB/T 10128: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10128-2007	449	Add to Cart	3 days	Metallic materials -- Torsion test at ambient temperature	Valid
GB/T 10128-1988	639	Add to Cart	5 days	Metallic materials--Torsion test at room temperature	Obsolete

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Basic data

Standard ID: GB/T 10128-2007 (GB/T10128-2007)
Description (Translated English): Metallic materials -- Torsion test at ambient temperature
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H22
Classification of International Standard: 77.040.10
Word Count Estimation: 17,183
Date of Issue: 2007-11-23
Date of Implementation: 2008-06-01
Older Standard (superseded by this standard): GB/T 10128-1988
Quoted Standard: GB/T 8170; GB/T 10623; JJG 269
Regulation (derived from): China National Standard Approval Announcement2007 No.12 (Total No.112)
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 test methods for metallic materials at room temperature torsion term, symbol, principle, performance measurement, , specimens, repair test equipment and test reports about the performance of the measured values. This standard applies to the determination of metallic materials at room temperature torsional mechanical properties.

GB/T 10128-2007: Metallic materials -- Torsion test at ambient 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.
Metallic materials.Torsion test at ambient temperature ICS 77.040.10 H22 National Standards of People's Republic of China Replacing GB/T 10128-1988 Test methods for torsion of metallic materials at room temperature 2007-11-23 released 2008-06-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard replaces GB/T 10128-1988 "metal room temperature torsional test method", compared with the changes as follows. --- In the normative references delete the original reference standard GB 6397 "metal tensile test specimen", an increase of GB/T 10623 "Terminology of mechanical properties test of metallic materials", JJG269 "Torsion testing machine"; --- In the "terminology, symbols" chapter, the terms in accordance with GB/T 1.1-2000 rewritten, the "yield point" to "yield strength Degree "," on the yield point "to" on the yield strength "," under the yield point "to" under the yield strength "; delete the original standard Table 1 symbols Number "τs"; --- In Chapter 5 added "Figure 2 tubular sample plug"; --- Torsion meter requirements have been modified; --- Modify the reverse speed; --- The yield point, the yield point and the lower yield point of determination was changed to "on the yield strength and yield strength measured", while deleting Formula (7) in GB/T 10128-1988; --- In the performance test increased the use of automatic device measured content; --- Modify the formula (11) in GB/T 10128-1988; --- Modify the value of the revised paragraph about repair; --- The contents of the test report has been supplemented. This standard Appendix A, Appendix B and Appendix C are informative appendix. This standard is proposed by China Iron and Steel Association. This standard by the National Steel Standardization Technical Committee. This standard was drafted. Iron and Steel Research Institute, Shenzhen City, the new think twice Material Testing Co., Ltd., Metallurgical Industry Information Standards Institute, Jinan Time Trial Instrument Co., Ltd. Drafters of this standard. Zhao Junping, Gao Yi Fei, An Jianping, Dong Li, Lu Jian Zhou. This standard replaces the standards previously issued as follows. --- GB/T 10128-1988. Test methods for torsion of metallic materials at room temperature

1 Scope

This standard specifies the terminology, symbols, principles, samples, test equipment, performance testing, measured performance of metal materials torsion test methods at room temperature Revise the value and test report. This standard applies to the determination of the torsional mechanical properties of metallic materials at room temperature.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. GB/T 8170 value repair rules GB/T 10623 metallic materials mechanical properties test terms JJG269 torsion testing machine

3 principle

Torque applied to the specimen, measuring torque and its corresponding torsion angle, usually twisted to fracture, in order to determine the standard definition of one or several torsion Mechanical properties. 4 Terms, definitions and symbols 4.1 Terms and definitions The terms specified in GB/T 10623 and the following terms and definitions apply to this standard. 4.1.1 L0 The length of the distance between two marks used to measure the twist angle on the specimen. 4.1.2 The length of the parallel part of the specimen used to measure the torsion angle of the specimen shall be measured with a twisting meter. 4.1.3 The maximum torque that the specimen can withstand after the yield phase. For no obvious yield (continuous yield) metal material, during the test The maximum torque. 4.1.4 The ratio of shear stress to shear strain varies linearly with shear stress. ......

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