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Wrought aluminium alloys extruded square bars for weighing apparatus
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Basic data
| Standard ID | YS/T 689-2009 (YS/T689-2009) |
| Description (Translated English) | Wrought aluminium alloys extruded square bars for weighing apparatus |
| Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) |
| Classification of Chinese Standard | H61 |
| Classification of International Standard | 77.150.10 |
| Word Count Estimation | 8,880 |
| Date of Issue | 2009-12-04 |
| Date of Implementation | 2010-06-01 |
| Quoted Standard | GB/T 228; GB/T 230; GB/T 3190; GB/T 3199; GB/T 3246.1; GB/T 3246.2; GB/T 7999; GB/T 16865; GB/T 17432; GB/T 20975; YS/T 439 |
| Regulation (derived from) | MIIT [2009] No. 66 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the aluminum alloy extruded flat bars weighing contents of the contract, requirements, test methods, inspection rules and signs, packaging, transportation, storage and contracts (or orders) content. This standard applies to scales with aluminum alloy extruded flat stick. |
YS/T 689-2009: Wrought aluminium alloys extruded square bars for weighing apparatus
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Wrought aluminium alloys extruded square bars for weighing apparatus
ICS 77.150.10
H61
People's Republic of China Nonferrous Metals Industry Standard
Weighing aluminum alloy extruded flat bars
Posted 2009-12-04
2010-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard by the National Standardization Technical Committee of non-ferrous metals and centralized.
This standard is mainly drafted by. Southwest Aluminum (Group) Co., Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality.
Participated in the drafting of this standard. Northeast Light Alloy Co., Ltd., Northwest aluminum aluminum branch.
The main drafters of this standard. Lee Shui-shan, Li wind, Geli Xin, Wang Qing left, para remifentanil.
Weighing aluminum alloy extruded flat bars
1 Scope
This standard specifies the instrument with aluminum alloy extruded flat bars contract, requirements, test methods, inspection rules and signs, packaging, transportation, storage
Deposit and contract (or purchase order) content.
This standard applies to the instrument with aluminum alloy extruded flat bars (hereinafter referred to as flat bars).
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 228 metal materials at room temperature tensile test method
GB/T 230 Metallic Rockwell hardness test
GB/T 3190 Wrought aluminum and aluminum alloy chemical composition
GB/T 3199 aluminum and aluminum alloy products - Packing, marking, transportation and storage
GB/T 3246.1 Wrought aluminum and aluminum alloy products microstructure inspection method
GB/T 3246.2 Wrought aluminum and aluminum alloy products low fold inspection method
GB/T 7999 aluminum and aluminum alloys Optical emission spectroscopy method
GB/T 16865 wrought aluminum, magnesium and their alloys processed products tensile test specimens
GB/T 17432 Wrought aluminum and aluminum alloy chemical analysis sampling method
GB/T 20975 (all parts), chemical analysis of aluminum and aluminum alloys
YS/T 439 aluminum and aluminum alloy extruded flat bars
3 Requirements
3.1 Categories
3.1.1 grade, status
Flat rod grades, the state should meet the requirements in Table 1.
Table 1
Grade status
2024,2A12 T4
3.1.2 mark
Flat stick mark the order product name, grade alloy, state, specifications and standard number representation. Tag example as follows.
Grades 2024, T4 state, having a thickness of 20mm, a width of 50mm, a length of flat bar 2000mm tagged.
Flat bar 2024-T4 20 × 50 × 2000 YS/T 689-2009
3.2 Chemical composition
Chemical composition of flat bars shall comply with GB/T 3190's.
3.3 size deviation
3.3.1 The cross-sectional dimensions
3.3.1.1 thickness, width
Thickness, width deviation flat bar shall comply with the provisions of Table 2.
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