SPACE 2009
Quality Policy
AS 9120
7178
UNS A97178 / AlZn7MgCu / 7178 / T651
| Chemical Properties | % Value |
| Silicon (Si) | 0,00 - 0,40 |
| Chromium (Cr) | 0,18 - 0,28 |
| Manganese (Mn) | 0,00 - 0,30 |
| Magnesium (Mg) | 2,40 - 3,10 |
| Copper (Cu) | 1,60 - 2,40 |
| Titanium (Ti) | 0,00 - 0,20 |
| Iron (Fe) | 0,00 - 0,50 |
| Zinc (Zn) | 6,30 - 7,30 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,83 g/cm³ |
| Melting Point | 477 °C |
| Thermal Expansion | 23.5 µm/m°C |
| Modulus of Elasticity | 71 GPa |
| Thermal Conductivity | 130 W/m.K |
| Electrical Resistivity | 31% IACS |
| Mechanical Properties | Value |
| Proof Strength | 550 MPa |
| Yield Strength | 630 MPa |
| Shear Strength | 370 MPa |
| Elongation A50 mm | 8% |
| Hardness | 150 HB |
7178 T6 aluminum exhibits high strength with good stress corrosion cracking resistance and is widely used in aerospace applications.
ALLOY DESIGNATIONS
7178 T651 has the following standard designations and specifications.
As Sheet/Plate; 7178 T651, ASTM B209, AMS QQ-A-250/14, UNS A 97178, ISO AlZn7MgCu
Choosing Factors for 7178 T651
- Strength: High
- Machining: Low
- Weldability: Satisfactory
- Formability: Good
- Corrosion Resistance: Good
- Heat Treating: Yes
Some Well-Known Applications for 7178 T651
In the automotive industry and construction sector,
Car body parts and aircraft body parts,
Mostly used in the aerospace sector.
SUPPLIED FORMS
7178 T651 is produced/supplied in plate/sheet forms.
- Plate
- Sheet
DELIVERY:
حساب الوزن