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GB/T 33965-2017: Metallic materials -- Tensile testing -- Determination of thickness reduction ratio for rectangular specimen
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| GB/T 33965-2017 | English | 199 |
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Metallic materials -- Tensile testing -- Determination of thickness reduction ratio for rectangular specimen
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GB/T 33965-2017
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Basic data | Standard ID | GB/T 33965-2017 (GB/T33965-2017) | | Description (Translated English) | Metallic materials -- Tensile testing -- Determination of thickness reduction ratio for rectangular specimen | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H22 | | Classification of International Standard | 77.040.10 | | Word Count Estimation | 10,124 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-04-01 | | 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 33965-2017: Metallic materials -- Tensile testing -- Determination of thickness reduction ratio for rectangular specimen
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Metallic materials - Tensile testing - Determination of thickness reduction ratio for rectangular specimen
ICS 77.040.10
H22
National Standards of People's Republic of China
Tensile test of metallic materials
Determination of the thinning rate of rectangular specimens
2017-07-12 Posted
2018-04-01 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 is proposed by China Iron and Steel Association.
This standard by the National Standardization Technical Committee Steel (SAC/TC183) centralized.
This standard was drafted. Wuhan Iron and Steel Co., Ltd., Beijing Nonferrous Metal Research Institute, Metallurgical Industry Information Standards Institute, Shanghai
Shen Li Tester Co., Ltd., China Southern Airlines Industries (Group) Co., Ltd., Guangzhou Automobile Group Co., Ltd.
The main drafters of this standard. Li Rongfeng, Liu Dong, Zhang Hongju, Dong Li, Du Li Ying, Tu Ying Wang, Yang Haoyuan, Liu Shanqing, Liu Kehui, Yuan Huanquan.
Tensile test of metallic materials
Determination of the thinning rate of rectangular specimens
1 Scope
This standard specifies the terms and definitions, symbols and instructions, test principle,
Test equipment, samples, test procedures, calculation of test results and test reports.
This standard applies to the determination of the thickness of the sheet metal tensile test rectangular thinning rate. Metal pipe thickness reduction rate can also be measured
Refer to this standard.
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.
Tensile testing of metallic materials - Part 1. Test methods at room temperature
GB/T 228.2 Tensile testing of metallic materials - Part 2. High temperature test methods
GB/T 5027 metal sheet and thin strip plastic strain ratio (r value) determination
GB/T 5028 Metallic materials - Determination of tensile strain hardening index (n value) of sheets and strips
Calibration of extensometers for uniaxial testing
GB/T 13239 low temperature tensile test methods for metallic materials
GB/T 16825.1 static uniaxial testing machine test Part 1. Tensile and (or) pressure testing machine testing system and force measurement
calibration
GB/T 30069.2 Metallic materials - High strain rate tensile test - Part 2. Hydraulic servo and other test systems
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Thinning rate percentageofthicknessreduction
The percentage of the change in the thickness of the sample to the original thickness.
See equation (1).
η =
a0-a
a0 ×
100% (1)
3.2
Maximum plasticity reduction rate percentageofplasticthicknessreductionatmaximumforce
ηg
The percentage of the ratio of the amount of plastic reduction in the thickness direction to the original thickness at maximum force.
See equation (2).
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