GB/T 15115-2024 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 15115-2024 | English | 325 |
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Die casting aluminum alloys
| Valid |
| GB/T 15115-2009 | English | 70 |
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Die casting aluminum alloys
| Obsolete |
| GB/T 15115-1994 | English | 199 |
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Die casting aluminium alloys
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GB/T 15115-2024: Die casting aluminum alloys---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT15115-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.10
CCS J 31
Replacing GB/T 15115-2009
Die casting aluminum alloys
Issued on. APRIL 25, 2024
Implemented on. APRIL 25, 2024
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Alloy designations and codes... 6
5 Technical requirements... 7
6 Test methods... 8
7 Inspection rules... 9
8 Marking, quality certificate, packaging, transportation and storage... 10
Annex A (informative) Comparison of major die casting aluminum alloy codes at home
and abroad... 12
Annex B (informative) Die casting aluminum alloy performance and other
characteristics... 13
Annex C (informative) Characteristics and application examples of die casting
aluminum alloys... 15
Annex D (normative) Testing method for slag inclusion in die casting aluminum alloy
... 16
1 Scope
This document specifies the designations and codes, technical requirements, test
methods, inspection rules and markings, quality certificates, packaging, transportation
and storage of die casting aluminium alloys.
This document is applicable to the production and inspection of die casting aluminum
alloy materials (aluminum alloy liquid and aluminum alloy ingots).
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 5611, Foundry terminology
GB/T 7999, Optical emission spectrometric analysis method of aluminum and
aluminum alloys
GB/T 20975.3, Methods for chemical analysis of aluminium and aluminium alloys -
- Part 3.Determination of copper content
GB/T 20975.4, Methods for chemical analysis of aluminium and aluminium alloys -
- Part 4.Determination of iron content
GB/T 20975.5, Methods for chemical analysis of aluminium and aluminium alloys -
- Part 5.Determination of silicon content
GB/T 20975.7, Methods for chemical analysis of aluminium and aluminium alloys -
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 5611 apply.
4 Alloy designations and codes
4.1 Representation methods for alloy designations
The aluminum alloy designation for die casting is composed of the chemical symbols
of aluminum and the main alloying elements.
4.2 Representation methods for alloy codes
In the alloy code, "YL" ("Y" and "L" are the first letters of the Chinese pinyin for "Ya"
and "Lü" respectively) indicates die casting aluminum alloy. The first digits 1, 2, 3, and
4 after YL respectively represent Al-Si, Al-Cu, Al-Mg, and Al-Zn series alloys,
representing the alloy code.
5 Technical requirements
5.1 Chemical composition
The chemical composition of die casting aluminum alloy shall comply with the
requirements of Table 1.
5.2 Slag inclusion
The slag inclusion grade of die casting aluminum alloy shall comply with the
requirements in Table 2.
5.3 Appearance and fracture
5.3.1 The appearance quality of the die casting aluminum alloy liquid surface shall be
clean, without obvious slag and non-metallic floating objects.
5.3.2 The surface of the die casting aluminum alloy ingot shall be free of contaminants
such as grease, dirt, corrosion products, scum or any other foreign matter.
6 Test methods
6.1 Chemical composition
6.1.1 The test method for chemical composition shall be carried out in accordance with
No. Alloy designation Alloy code b
6.1.2 In case of dispute over the analysis results, arbitration shall be conducted in
accordance with GB/T 20975.3, GB/T 20975.4, GB/T 20975.5, GB/T 20975.7, GB/T
20975.8, GB/T 20975.10, GB/T 20975.11, GB/T 20975.12, GB/T 20975.14, GB/T
20975.16 and GB/T 20975.17.
6.2 Slag inclusion
The testing method for slag inclusions in die casting aluminum alloys shall be carried
out in accordance with the provisions of Annex D.
7 Inspection rules
7.1 Inspection items
The inspection items are shown in Table 3.
7.2 Batching
A batch is composed of products from the same aluminum ladle or melting furnace.
7.3 Sampling
Sampling regulations are shown in Table 4.
7.4 Judgement rules
7.4.1 If the chemical composition test fails, double the number of samples can be taken
for reinspection.
7.4.2 If the slag inclusion test fails, it is allowed to take double the number of samples
for reinspection.
7.4.3 If the appearance and fracture inspection fail, the batch of products will be deemed
unqualified.
8 Marking, quality certificate, packaging, transportation and storage
8.1 Marking
8.1.1 Each packaging unit (ingot bundle, insulation bag) of die casting aluminum alloy
shall have the following mark. When the purchaser has special requirements, it shall be
determined by negotiation between the supplier and the buyer.
8.1.2 The number identification, production batch number and material designation of
the die casting aluminum alloy liquid insulation bag shall be clear.
8.2 Quality certificate
Inspection item Sampling regulations
8.3 Packaging
8.3.1 Die casting aluminum alloy ingots shall be bundled. Each designation shall be
bundled separately. The packaging shall be firm to ensure that it will not fall apart
during transportation.
8.4 Transportation
8.4.1 During transportation, die casting aluminum alloy ingots shall meet the stacking
requirements and be protected from rain, moisture, dropping and severe collision.
8.5 Storage
Die casting aluminum alloys shall be stored in dry, well-ventilated warehouses without
harmful gases. They shall not be stored together with acids, alkalis or other corrosive
chemicals. They shall also be protected from rain and moisture.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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