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GB/T 3251-2023: Compression test method for aluminium and aluminium alloy products
Status: Valid GB/T 3251: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3251-2023 | English | 349 |
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Compression test method for aluminium and aluminium alloy products
| Valid |
GB/T 3251-2023
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| GB/T 3251-2006 | English | 279 |
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Compression test method for aluminium and aluminium alloys tubes
| Obsolete |
GB/T 3251-2006
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| GB/T 3251-1982 | English | 199 |
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Aluminum and aluminum alloys--Compression test method for tubes
| Obsolete |
GB/T 3251-1982
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PDF similar to GB/T 3251-2023
Basic data | Standard ID | GB/T 3251-2023 (GB/T3251-2023) | | Description (Translated English) | Compression test method for aluminium and aluminium alloy products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H22 | | Classification of International Standard | 77.040.10 | | Word Count Estimation | 18,130 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Older Standard (superseded by this standard) | GB/T 3251-2006 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 3251-2023: Compression test method for aluminium and aluminium alloy products---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.
ICS 77.040.10
CCSH22
National Standards of People's Republic of China
Replace GB/T 3251-2006
Compression test methods for aluminum and aluminum alloy products
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 3251-2006 "Compression Test Methods for Aluminum and Aluminum Alloy Pipes". Compared with GB/T 3251-2006, except for the
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Added test conditions (see Chapter 5);
b) Added testing machine requirements (see 6.1);
c) Added backing plate and extensometer (see 6.2 and 6.3);
d) The sample type and sample preparation have been changed (see 7.1, 7.2, Chapter 4 of the.2006 edition);
e) Added test preparation (see Chapter 8);
f) The test procedures have been changed (see Chapter 9, Chapter 5 of the.2006 edition);
g) Added the actual compression force of the rectangular specimen in the test results, specified non-proportional compressive strength, compressive strength, compressive elastic modulus, upper compression
Yield force, compression ratio, energy absorption, compression deformation of specified force value (see 10.2, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8,
10.9);
h) Added test report (see Chapter 11).
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Nonferrous Metals Industry Association.
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This document was drafted by. Northeast Light Alloy Co., Ltd., Nonferrous Metals Technology and Economic Research Institute Co., Ltd., GB (Beijing)
Inspection and Certification Co., Ltd., Shandong Nanshan Aluminum Co., Ltd., Southwest Aluminum (Group) Co., Ltd., Youyan Engineering Technology Research Institute
Co., Ltd., Chinalco Materials Application Research Institute Co., Ltd., Central South University, Tianjin Zhongwang Aluminum Co., Ltd., Guangdong Haomei New Materials Co., Ltd.
Company, Northwest Aluminum Co., Ltd., Shanghai Aviation Materials Structure Testing Co., Ltd., and China Aluminum Group Co., Ltd.
The main drafters of this document. Zhao Shengqiang, Lu Xinyu, Ma Cunzhen, Wang Guojun, Xiao Xinrui, Song Wencheng, Zhang Yinxiang, Yan Lizhen, Wei Shaolin, Gao Xinyu,
Yu Lili, Zhang Zhen, Cheng Suling, Luo Taotao, Wang Shouye, Huang Jianjin, Zhang Qingdong.
The previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 3251-1982 in 1982, first revised in.2006;
---This is the second revision.
Compression test methods for aluminum and aluminum alloy products
1 Scope
This document describes compression testing methods for aluminum and aluminum alloy products.
This document is applicable to the determination of the compression properties of aluminum and aluminum alloy products such as plates, pipes, rods, profiles, and forgings.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 8170 Numerical rounding rules and expression and determination of limit values
GB/T 10623 Terminology for mechanical properties testing of metal materials
GB/T 12160-2019 Calibration of extensometer systems for uniaxial testing of metallic materials
JJG139 Tensile, Compression and Universal Testing Machine
JJG475 electronic universal testing machine
JJG762 extensometer
JJG1063 Electro-hydraulic servo universal testing machine
3 Terms and definitions
The terms and definitions defined in GB/T 10623 apply to this document.
4 Method overview
Apply a unidirectional compressive force to the specimen in the axial direction. When the specimen is compressed to the specified deformation amount or reaches the specified load or the maximum force value occurs, the test specimen is measured.
Actual compressive force, specified non-proportional compressive strength, compressive strength, compressive elastic modulus, upper compressive yield force, compressibility, energy absorption of the rectangular specimen
Compression performance indicators such as compression deformation amount and specified force value are used to evaluate the material's ability to resist compression deformation.
5 test conditions
The test temperature is 10℃~35℃.
6 Instruments and Equipment
6.1 Testing machine
6.1.1 The force measuring system of the testing machine is calibrated in the compression direction in accordance with JJG139, JJG475 or JJG1063.The accuracy of the force measuring system of the testing machine is
Should reach or better than level 1.
6.1.2 The maximum load required for the test should be within the range of 10% to 90% of the maximum load of the testing machine.
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