Aluminum Cast Plate G.AL® C330 – Precision‑Milled, High‑Strength Material
This material produced from alloy EN AW 7021 (AlZn5.5Mg1.5) in a vertical continuous casting process closes the gap between medium and high-strength aluminum materials, the latter of which are often overqualified. G.AL® C330 is characterized by a very fine and homogenous structure, very low microporosity, excellent machinability and very high strength. G.AL® C330 is manufactured in material temper T79, which is reflected in the low-stress properties and dimensional stability unique in this strength class.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 2.8 g/cm³ |
Surface roughness | 0.4 μm |
Dimension
| Property | Value |
|---|---|
Width | 1500 mm |
Dimensions | Standard stock sizes: 1540mm x 3048mm and 10-50mm in thickness |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 70 GPa | |
Elongation A5 | 23.0 °C | 2.5 - 4.5 % | |
Hardness, HBW | 23.0 °C | 110 - 120 [-] | Test method: 2.5/62.5 |
Tensile strength | 23.0 °C | 320 - 380 MPa | |
Yield strength Rp0.2 | 23.0 °C | 290 - 340 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 2.3E-5 1/K |
Specific heat capacity | 23.0 °C | 875 J/(kg·K) |
Thermal conductivity | 23.0 °C | 125 - 155 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 2.10E+7 - 2.40E+7 S/m |
Technological properties
| Property | ||
|---|---|---|
| Other | Heat treatable alloy | |
| Processing history | Temper: T79, solution heat treated, quenched, artificially aged | |
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