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GB/T 34480-2023: High strength and toughness Al-Zn-Mg-Cu series aluminium alloy forgings
Status: Valid GB/T 34480: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34480-2023 | English | 269 |
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High strength and toughness Al-Zn-Mg-Cu series aluminium alloy forgings
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GB/T 34480-2023
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| GB/T 34480-2017 | English | 559 |
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Aluminum alloys die forgings, hand forgings, and rolled ring forgings from spray-formed billet
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GB/T 34480-2017
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PDF similar to GB/T 34480-2023
Basic data | Standard ID | GB/T 34480-2023 (GB/T34480-2023) | | Description (Translated English) | High strength and toughness Al-Zn-Mg-Cu series aluminium alloy forgings | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.150.10 | | Word Count Estimation | 14,198 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Older Standard (superseded by this standard) | GB/T 34480-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 34480-2023: High strength and toughness Al-Zn-Mg-Cu series aluminium alloy forgings---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 34480-2017
High strength and high toughness Al-Zn-Mg-Cu series aluminum alloy forgings
Published on 2023-09-07
2024-04-01 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 34480-2017 "Aluminum Alloy Forgings Made from Injection Formed Ingots" and is consistent with GB/T 34480-2017
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Added 7050, 7175, 7A85 forgings and 7055T73 forgings to the product classification (see 4.1), deleted 7085T74 and
7085T76 forgings (see 3.1.1 of the.2017 edition);
b) Marks and examples have been changed (see 4.2, 3.1.2 of the.2017 version);
c) Increased the room temperature tensile mechanical properties of 7050, 7175, 7A85 forgings and 7055T73 forgings (see 5.3);
d) Added fracture toughness requirements for 7050, 7055, 7085, and 7A85 forgings (see 5.5);
e) Added the electrical conductivity requirements for 7050, 7175, 7085T7452, 7A85 forgings and 7055T73 forgings (see 5.6), deleted
Conductivity requirements for 7085T74 and 7085T76 forgings (see 3.7 of the.2017 edition);
f) Added the stress corrosion sensitivity factor of 7050 forgings and the stress corrosion resistance performance requirements of 7050, 7085 and 7A85 forgings (see
5.7, 5.8), deleted the stress corrosion resistance of 7085T74 forgings (see 3.8 of the.2017 edition);
g) Added the requirements for spalling corrosion resistance of 7050 forgings and 7055T73 forgings (see 5.9), and deleted the requirements for 7085T76 forgings.
Exfoliation corrosion performance (see 3.9 of the.2017 edition);
h) The ultrasonic flaw detection acceptance level has been changed (see 5.10, 3.10 of the.2017 version);
i) The low magnification tissue requirements have been changed (see 5.11, 3.11.1 and 3.11.2 of the.2017 edition);
j) Changed the appearance quality requirements (see 5.13, 3.13 of the.2017 version);
k) The test method has been changed (see Chapter 6, Chapter 4 of the.2017 edition);
l) Added product qualification certification (see Chapter 7);
m) Added process control (see Chapter 8) and deleted quality assurance (see 3.2 of the.2017 version);
n) The inspection rules have been changed (see Chapter 9, Chapter 5 of the.2017 edition);
o) The contents of the logo, packaging, transportation, storage and quality certificate and order form (or contract) have been changed (see Chapter 10,.2017 version of
Chapter 6, Chapter 7).
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. Southwest Aluminum (Group) Co., Ltd., Nonferrous Metals Technology and Economic Research Institute Co., Ltd., Jiangsu Hao
Ran Injection Forming Alloy Co., Ltd., Northeast Light Alloy Co., Ltd., Youyan Engineering Technology Research Institute Co., Ltd., Shandong Nanshan Aluminum Industry Co., Ltd.
Co., Ltd., Commercial Aircraft Corporation of China Ltd. Shanghai Aircraft Design and Research Institute, Fujian Xiangxin Light Alloy Manufacturing Co., Ltd., GB (Beijing)
Beijing) Inspection and Certification Co., Ltd.
The main drafters of this document. Wang Qingsong, Ge Lixin, Zhang Baoling, Wu Daoxiang, Gao Yongqiang, Li Xiwu, Du Heng'an, Wang Xueqiang, Li Hongping,
Zhang Yu, Wen Kai, Zhang Jianlei, Jin Yujia.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2017 as GB/T 34480-2017 "Aluminum Alloy Forgings Made from Injection Formed Ingots";
---This is the first revision.
High strength and high toughness Al-Zn-Mg-Cu series aluminum alloy forgings
1 Scope
This document specifies the product classification, technical requirements, test methods, and product qualification of high-strength and high-toughness Al-Zn-Mg-Cu aluminum alloy forgings.
Identification, process control, inspection rules, as well as marking, packaging, transportation, storage and quality certificate and order form (or contract) content.
This document applies to high-strength and high-toughness Al-Zn-Mg-Cu aluminum alloy die forgings, free forgings and rolled rings (hereinafter collectively referred to as 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 3190 Chemical composition of deformed aluminum and aluminum alloys
GB/T 6519-2023 Ultrasonic inspection method for deformed aluminum and magnesium alloy products
GB/T 8005.1 Aluminum and aluminum alloy terminology Part 1.Products and processing techniques
GB/T 8545 Dimensional deviation and machining allowance of aluminum and aluminum alloy die forgings
GB/T 22639-2022 Exfoliation corrosion test method for aluminum alloy products
GB/T 42791 General technical specifications for aluminum alloy forgings for aviation use
3 Terms and definitions
The terms and definitions defined in GB/T 8005.1 apply to this document.
4 product categories
4.1 Brand, supply status, dimensions and load-bearing type
The grade, supply status, thickness and load-bearing type of forgings should comply with the requirements in Table 1.Other dimensions of forgings shall be determined by negotiation between the supplier and the buyer.
According to the specified forging drawing or order order (or contract). When the buyer needs other grades, supply status, size specifications and load-bearing types, the supplier will
The two parties shall negotiate and determine with reference to the "Deformed Aluminum and Aluminum Alloy Product Status and Performance Registration Form" and indicate it in the forging drawing or order form (or contract).
Table 1 Grade, supply status, thickness and load-bearing type
Trademark
supply status
Die forgingsa Free forgingsa Rolled ringsa
Thickness b
mm
Bearing type a
7050 T74, T7452 O1, T1, T74, T7452 T74, T7452 ≤305
7055 T6, T73, T74, T76 T6, T73, T74, T76 T6 ≤152
7175 T74 - - ≤51
7085 T7452 T7452 - ≤305
7A85 T7452 T7452 - ≤305
Class I, Class II
a For forging product types, load-bearing types and their descriptions, see GB/T 8545.
b "Thickness" refers to the maximum heat treatment thickness of forgings.
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