GB/T 34493-2017 in English
VALIDAluminium alloys extruded rods for easy-cutting
- Issued on:2017-10-14
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$136.00
| Standard No: | GB/T 34493-2017 |
| Document status: | VALID |
| Title in English: | Aluminium alloys extruded rods for easy-cutting |
| Title in Chinese: | 易切削铝合金挤压棒材 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-10-14 |
| Implemented on: | 2018-05-01 |
| ICS Classification: | 77.150.10-Aluminium products |
| Chinese Classification: | H61-Light metals and their alloys |
| Professional Classification: | GB-National Standard |
| Related Keywords: | free-cutting aluminum alloy extruded bars
easy-cutting introduction national standard ≥320 mpa ≥270 mpa ≥370 mpa |
| Related Topics: | astm aluminum alloy bar
Aluminum alloy bar standard Aluminum alloy bar Aluminum alloy bar Bar cut astm extruded aluminum alloy cutting equipment Aluminum alloy extrusion process Aluminum rod GBT34493 GB/T 34493-2017 alloy cutting oil Aluminum profile extrusion safety Aluminum alloy test rod |
《GB/T 34493-2017易切削铝合金挤压棒材》由TC243（全国有色金属标准化技术委员会）归口，TC243SC1（全国有色金属标准化技术委员会轻金属分会）执行，主管部门为中国有色金属工业协会。
Introduction
National Standard of the People's Republic of China GB/T 34493—2017 Free-cutting Aluminum Alloy Extruded Bars
1. Standard Overview
This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage, and quality certificates and order (or contract) contents for free-cutting aluminum alloy extruded bars.
2. Product Classification
| Brand | Supply Status | Dimensions(mm) | ||
|---|---|---|---|---|
| 6023、6026、6043、6262A、6065 | T6 | Diameter≤ 50.00 | Length Range: 1000~5800mm (No fixed length) | Length Range: 1000～10000mm (Fixed length) |
3. Chemical Composition Requirements
Table 2 lists the mass fractions of chemical components of different grades, including the specific content ranges of elements such as silicon, iron, and copper.
4. Mechanical properties
| Grade | State | Diameter(mm) | Mechanical properties(MPa) | |
|---|---|---|---|---|
| 6023 | T6 | ≤150.00 | Tensile strength: ≥320 MPa, yield strength: ≥270 MPa, elongation after fracture: 8% | |
| 6026 | T6 | ≤80.00 | Tensile strength: ≥370 MPa, yield strength: ≥300 MPa, elongation after fracture: 9% | |
5. Cutting and shearing performance
The bar should have good cutting performance, and the chip length should not exceed 30 mm. Table 7 lists the shear strength requirements of different grades.
6. Dimensional deviation and tolerance
| Diameter range (mm) | Allowance deviation | |
|---|---|---|
| 8.00~12.50 | ±0.20 mm | |
| >12.50~19.00 | ±0.23 mm | |
7. Test methods and inspection rules
Including chemical composition analysis, dimensional measurement, tensile test, cutting performance test and microstructure inspection, etc.
8. Implementation Recommendations
- Ensure that quality control during production meets standard requirements, especially in terms of chemical composition and mechanical properties.
- Perform regular audits of suppliers to ensure consistency in quality between raw materials and finished products.
- Strictly adhere to recommended process parameters during machining, especially cutting speeds and feeds, to avoid material damage or performance degradation.
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