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GB/T 26494-2023: Aluminium alloy extruded profiles used for railway vehicle structures
Status: Valid GB/T 26494: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26494-2023 | English | 529 |
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Aluminium alloy extruded profiles used for railway vehicle structures
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GB/T 26494-2023
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| GB/T 26494-2016 | English | 879 |
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Aluminum alloys extruded profiles used for structural material of railway vehicle car bodies
| Obsolete |
GB/T 26494-2016
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| GB/T 26494-2011 | English | 759 |
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Aluminium alloys extruded profiles used for structural material of railway vehicle car bodies
| Obsolete |
GB/T 26494-2011
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PDF similar to GB/T 26494-2023
Basic data | Standard ID | GB/T 26494-2023 (GB/T26494-2023) | | Description (Translated English) | Aluminium alloy extruded profiles used for railway vehicle structures | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.150.10 | | Word Count Estimation | 26,273 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Older Standard (superseded by this standard) | GB/T 26494-2016 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26494-2023: Aluminium alloy extruded profiles used for railway vehicle structures---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 77:150:10
CCSH61
National Standards of People's Republic of China
Replace GB/T 26494-2016
Aluminum alloy extruded profiles for rail transit vehicle structures
Published on 2023-12-28
2024-07-01 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 26494-2016 "Aluminum alloy extruded profiles for rail transit vehicle structures" and is consistent with GB/T 26494-2016
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Added terms and definitions (see Chapter 3);
b) Added dimensional specification requirements (see 4:1);
c) Changed the surface clearance requirements (see 5:2:1, 3:4:1:1 of the:2016 edition);
d) Changed the requirements for longitudinal curvature across the entire length (see 5:2:3:1, 3:4:2:1 of the:2016 edition);
e) Changed the requirements for longitudinal side curvature per 2m length (see 5:2:3:2, 3:4:2:2 of the:2016 version);
f) Changed the weight deviation requirements (see 5:3, 3:19 of the:2016 version);
g) Delete 6005 alloy T4 state hollow profile, 6005A alloy T4 state hollow profile, 6A01 alloy T4 state hollow profile
Requirements for elongation after fracture of materials, 6008 alloy, and 6106 alloy (see 3:5 of the:2016 edition);
h) The sampling direction of room temperature tensile mechanical properties has been deleted, and the specified non-proportional extension strength of 5083 alloy H112 state has been changed (see
5:4,:2016 version of 3:5);
i) Added cross-section hardness uniformity requirements (see 5:5:2);
j) Added fatigue performance requirements for 5083 alloy (see 5:7);
k) Increased the intergranular corrosion sensitivity and spalling corrosion resistance of 6005A alloy T6 state, and the stress resistance of 7B05 alloy T5 state:
Strong corrosion performance requirements (see 5:8~5:10);
l) Added requirements for room temperature tensile mechanical properties of welded joints of 6A01 and 7B05 alloys (see 5:13:1);
m) Added fatigue performance requirements for welded joints (see 5:13:2);
n) Added the requirement that the low-magnification structure does not allow the existence of a blank transition zone (see 5:16:1);
o) Delete the requirement for oxide film in low-magnification tissue (see 3:8:4 of the:2016 version);
p) Changed the microstructure requirements (see 5:17, 3:10 of the:2016 edition);
q) The detection method of surface contour deviation has been changed (see 6:2:1, 4:3:2 of the:2016 version);
r) Changed the detection method of weight deviation (see 6:3, 4:18 of the:2016 edition);
s) Changed the Brinell hardness testing method (see 6:5, 4:5 of the:2016 edition);
t) Changed the fatigue performance testing method (see 6:7, 4:11 of the:2016 version);
u) The intergranular corrosion susceptibility test method has been changed (see 6:8, 4:12 of the:2016 edition);
v) Changed the stress corrosion resistance test method (see 6:9, 4:13 of the:2016 edition);
w) Changed the test method for spalling corrosion resistance (see 6:10, 4:14 of the:2016 edition);
x) The welding performance test method has been changed (see 6:13, 4:17 of the:2016 edition);
y) Added quality assurance (see Chapter 7);
z) Changed the requirements for inspection by the purchaser (see 8:1:2, 5:1:2 of the:2016 edition);
aa) The regulations for group batching have been changed (see 8:2, 5:2 of the:2016 version);
ab) The inspection items and sampling requirements have been changed (see 8:3, 5:3 of the:2016 edition);
ac) The provisions that allow suppliers to perform repeated heat treatment and re-sampling inspection are deleted (see 5:4:4, 5:4:5, 5:4:11~ of the:2016 edition)
5:4:14);
ad) Changed the requirements for product marking (see 10:1:1, 7:1:1 of the:2016 version):
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: CRRC Qingdao Sifang Rolling Stock Co:, Ltd:, Longkou Conglin Aluminum Co:, Ltd:, Nonferrous Metal Technology
Economic Research Institute Co:, Ltd:, CRRC Changchun Rail Bus Co:, Ltd:, Zhengzhou Mingtai Transportation New Materials Co:, Ltd:, CRRC Changjiang
Transportation Equipment Group Co:, Ltd:, Jilin Qixing Aluminum Co:, Ltd:, Shandong Yankuang Light Alloy Co:, Ltd:, CRRC Nanjing Puzhen Vehicle Co:, Ltd:
Company, Liaoning Zhongwang Group Co:, Ltd:, Southwest Aluminum (Group) Co:, Ltd:, Shandong Nanshan Aluminum Co:, Ltd:, Guohe General Testing
Evaluation and Certification Co:, Ltd:, Foshan Sanshui Feng Aluminum Co:, Ltd:, Luoyang Ship Materials Research Institute (China State Shipbuilding Corporation No: 7
Second Five Research Institute), Northeast Light Alloy Co:, Ltd:, Guangdong Academy of Sciences Industrial Analysis and Testing Center, Youyan Engineering Technology Research Institute Co:, Ltd:
Division, Guangdong Jingmei Special Profile Co:, Ltd:, Chinalco Special Aluminum (Chongqing) Co:, Ltd:
The main drafters of this document: Ding Sansan, Duan Haowei, Yu Jinfeng, Gu Liu, Qi Yuwen, Zhu Zhiyang, Tian Aiqin, Yang Tingzhi, Lei Qingping,
Zhao Yongdong, Wang Mingkun, Li Wenxia, Li Honglin, Zhang Xiangjie, Peng Zhujun, Deng Rui, Cao Shanpeng, Hao Xuelong, Luo Xianfu, Hu Tianlong, Lin Yujin,
Sun Daxiang, Zhou Jiangping, Yan Lizhen, Qin Zeng:
The previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 26494-2011 in:2011, first revised in:2016;
---This is the second revision:
Aluminum alloy extruded profiles for rail transit vehicle structures
1 Scope
This document stipulates the product classification, technical requirements, quality assurance, inspection rules, and reliability of aluminum alloy extruded profiles for rail transit vehicle structures:
The traceability, marking, packaging, transportation, storage and quality certificate and order form (or contract) content describe the aluminum alloy used in rail transit vehicle structures:
Test methods for gold extruded profiles:
This document applies to aluminum alloy extruded profiles for rail transit vehicle structures (hereinafter referred to as "profiles"):
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 231:1 Brinell hardness test of metallic materials Part 1: Test method
GB/T 232 Bending test method for metal materials
GB/T 2651 Destructive testing of welds on metallic materials Transverse tensile test
GB/T 3190 Chemical composition of deformed aluminum and aluminum alloys
GB/T 3199 Packaging, marking, transportation and storage of aluminum and aluminum alloy processed products
GB/T 3246:1-2023 Structural examination methods for deformed aluminum and aluminum alloy products Part 1: Microstructure examination methods
GB/T 3246:2 Structural inspection methods for deformed aluminum and aluminum alloy products Part 2: Low-magnification structural inspection methods
GB/T 6519 Ultrasonic inspection method for deformed aluminum and magnesium alloy products
GB/T 7998-2023 Evaluation method for intergranular corrosion susceptibility of aluminum alloys
GB/T 7999 Photoelectric direct reading emission spectrum analysis method for aluminum and aluminum alloys
GB/T 8005:1 Aluminum and aluminum alloy terminology Part 1: Products and processing techniques
GB/T 10125-2021 Artificial atmosphere corrosion test salt spray test
GB/T 14846 Dimensional deviations of aluminum and aluminum alloy extruded profiles
GB/T 16865 Specimens and methods for tensile testing of deformed aluminum, magnesium and their alloy processed products
GB/T 17432 Sampling method for chemical composition analysis of deformed aluminum and aluminum alloys
GB/T 20975 (all parts) Chemical analysis methods for aluminum and aluminum alloys
GB/T 22087-2008 Guidelines for quality classification of arc welded joints of aluminum and aluminum alloys
GB/T 22639-2022 Exfoliation corrosion test method for aluminum alloy products
GB/T 22640 Test method for evaluating stress corrosion sensitivity of aluminum alloys
GB/T 26492:5 Defects in deformed aluminum and aluminum alloy ingots and processed products Part 5: Defects in pipes, rods, profiles and wires
GB/T 32790 Welding performance inspection method of aluminum and aluminum alloy extrusion welds
GB/T 37616-2019 Axial force controlled fatigue test method for aluminum alloy extruded profiles
3 Terms and definitions
The terms and definitions defined in GB/T 8005:1 and GB/T 26492:5 apply to this document:
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