SPACE 2009
Quality Policy
AS 9120
Platos
Hojas
Barras Circulares
Tubos / Extrusion / Perfil
7020
ASTM B221 / AlZn4,5Mg1 / 7020 / T4
| Chemical Properties | % Value |
| Chromium (Cr) | 0,10 - 0,35 |
| Manganese (Mn) | 0,05 - 0,50 |
| Magnesium (Mg) | 1,00 - 1,40 |
| Copper (Cu) | 0,00 - 0,10 |
| Titanium (Ti) | 0,00 - 0,10 |
| Iron (Fe) | 0,00 - 0,40 |
| Zinc (Zn) | 4,00 - 5,00 |
| Aluminium (Al) | Balance |
| Silicon (Si) | 0,00 - 0,35 |
| Physical Properties | Value |
| Density | 2.78 g/cm³ |
| Melting Point | 605 °C |
| Thermal Expansion | 23,3 µm/m.°C |
| Modulus of Elasticity | 71 GPa |
| Thermal Conductivity | 200 W/m.K |
| Electrical Resistivity | 39 % IACS |
| Mechanical Properties | Value |
| Proof Strength | 240 MPa |
| Yield Strength | 360 MPa |
| Shear Strength | 230 MPa |
| Elongation A50 mm | 14% |
| Hardness | 92 HB |
7020 T4 aluminum exhibits high strength and is widely used in aerospace applications.
ALLOY DESIGNATIONS
7020 T4 has the following standard designations and specifications.
Extruded Round/Flat Bar and Tubes per; 7020 T4, ISO AlZn4,5Mg1, WNR 3.4335, UNS A97020, ASTM B221, BS H17
Sheets per; 7020 T4, ISO AlZn4,5Mg1, WNR 3.4335, UNS A97020, ASTM B209, BS H17
Choosing Factors for 7020 T4
- Strength: High
- Machining: Okay
- Weldability: Good
- Formability: Okay
- Corrosion Resistance: Satisfactory
- Heat Treating: Yes
Some Well-Known Applications for 7020 T4
Maınly in the aerospace industry,
In high-speed rails,
Also used in heat exchangers.
SUPPLIED FORMS
7020 T4 is produced/supplied in the sheet, round/flat bar and tube/profile form.
- Sheet
- Round/Flat Bar
- Tube/Profile
DELIVERY:
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