SPACE 2009
Quality Policy
7075
ASTM B209 / AlZn5.5MgCu / 7075 / W
| 化学性质 | % 值 |
| Silicon (Si) | 0,00 - 0,40 |
| Chromium (Cr) | 0,18 - 0,28 |
| Manganese (Mn) | 0,00 - 0,30 |
| Magnesium (Mg) | 2,10 - 2,90 |
| Copper (Cu) | 1,20 - 2,00 |
| Titanium (Ti) | 0,00 - 0,20 |
| Iron (Fe) | 0,00 - 0,50 |
| Zinc (Zn) | 5,10 - 6,10 |
| Aluminium (Al) | Balance |
| 物理特性 | 值 |
| Density | 2.81 g/cm³ |
| Melting Point | 477°C |
| Thermal Expansion | 24 µm/m.°C |
| Modulus of Elasticity | 71 GPa |
| Thermal Conductivity | 130 W/m.K |
| Electrical Resistivity | %33 IACS |
| 机械性能 | 值 |
| Proof Strength | 138 Mpa |
| Yield Strength | 331 Mpa |
| Shear Strength | 130 MPa |
| Elongation A50 mm | %12 |
| Hardness | 150 HB |
7075 W Aluminum Sheet Hi-Form (high elongation and perfect homogenization) is preferred for the parts that are required to be shaped. The mechanical values can be made close to the T6 by the second third process requiring expertise after Hi-Form shaping.
ALLOY DESIGNATIONS
7075 W has similarities to the following standard designations and specifications ;
Sheet as; 7075 W, AMS QQ-A-250/12,
ASTM B209
Choosing Factors for 7075 W:
- Strength: Average
- Machining: Normal
- Weldability: Weak
- Formability: High
- Corrosion Resistance: Moderate
- Heat Treating:Yes
Some Well-Known Applications for 7075 W:
For special projects which desired Hi-Form
SUPPLIED FORMS
7075 W is supplied in sheet form.
- Sheet
交货:
| 机械性能 | |||
| 厚度 (mm) | 证明力量 (Min.) | 屈服强度 (Min.) | Uzama % |
| Over 6.3 up to & incl. 12.6 | 462 MPa | 538 MPa | %9 |
| Over 12,7 up to & incl. 25,4 | 469 MPa | 538 MPa | %7 |
| Over 25,4 up to & incl. 50,8 | 462 MPa | 531 MPa | %6 |
| Over 50,8 up to & incl. 63,5 | 441 MPa | 524 MPa | %6 |
| Over 63,5 up to & incl. 76,2 | 421 MPa | 496 MPa | %5 |
| Over 76,2 up to & incl. 88,9 | 400 MPa | 490 MPa | %5 |
| Over 88,9 up to & incl. 101,6 | 372 MPa | 462 MPa | %3 |
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