High-Performance G.AL® C250 Aluminum Cast Plate – Precision Milled & Flat
The two sides precision machined G.AL® C250 precision plate with protective foil was developed from almost universally applicable alloy EN AW 5083 (AlMg4.5Mn0.7). Rolling ingots are used for production, which have a fine-grained, homogeneous structure with only low microporosity created in a modified casting process and specific heat treatments. The result is precision plates which are distinguished by very uniform flatness, high strength and good technical anodizing properties.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 2.66 g/cm³ |
Surface roughness | 0.4 μm |
Dimension
| Property | Value |
|---|---|
Width | 1520 mm |
Dimensions | Standard stock sizes: 1520mm x 3020mm and 5-100mm in thickness, 1570mm x 3670mm, 2160mm x 4000mm and 10-80mm in thickness |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 70 GPa | |
Elongation A5 | 23.0 °C | 10 - 15 % | |
Hardness, HBW | 23.0 °C | 68 - 75 [-] | Test method: 2.5/62.5 |
Tensile strength | 23.0 °C | 230 - 290 MPa | |
Yield strength Rp0.2 | 23.0 °C | 110 - 130 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 2.33E-5 1/K |
Specific heat capacity | 23.0 °C | 900 J/(kg·K) |
Thermal conductivity | 23.0 °C | 110 - 130 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 1.60E+7 - 1.80E+7 S/m |
Technological properties
| Property | ||
|---|---|---|
| Other | Non heat treatable | |
| Processing history | Temper: O3, homogenized and stress relieved | |
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