Erbslöh Aluminium DISPAL S260 Aluminum Alloy, AlSi25Cu4Mg, Condition F

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Erbslöh Aluminium DISPAL S260 Aluminum Alloy, AlSi25Cu4Mg, Condition F
Categories:	Metal; Nonferrous Metal; Aluminum Alloy
Material Notes:	Excellent properties: abrasive stability high stiffness (E-modulus) resistance even at high temperatures good grindability PEAK DISPAL materials allow the manufacturing of pistons for highest operational demands. Information provided by PEAK Werkstoff GmbH, a part of Erbslöh Aluminium GmbH.
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Physical Properties	Original Value	Comments

Density	2.527 - 2.793 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	>= 110
Tensile Strength at Break	>= 87.0 MPa @Temperature 300 °C
	>= 205 MPa @Temperature 200 °C
	>= 265 MPa @Temperature 20.0 °C
Tensile Strength, Yield	>= 67.0 MPa @Temperature 300 °C
	>= 144 MPa @Temperature 200 °C
	>= 180 MPa @Temperature 20.0 °C
Elongation at Break	>= 1.0 % @Temperature 20.0 °C
	>= 2.3 % @Temperature 200 °C
	>= 15.3 % @Temperature 300 °C
Modulus of Elasticity	>= 48.0 GPa @Temperature 300 °C
	>= 53.0 GPa @Temperature 200 °C
	>= 85.0 GPa @Temperature 20.0 °C
Poissons Ratio	0.277 @Temperature 20.0 °C
	0.279 @Temperature 100 °C
	0.279 @Temperature 150 °C
	0.281 @Temperature 200 °C
	0.282 @Temperature 300 °C
	0.283 @Temperature 250 °C
Fatigue Strength	189.1 MPa	P50% rotary bending values for 5X10⁷ cycles
	189.1 MPa @# of Cycles 5.00e+7	P50% rotary bending value
Shear Modulus	31.0 GPa @Temperature 300 °C
	32.0 GPa @Temperature 250 °C
	33.0 GPa @Temperature 200 °C
	34.0 GPa @Temperature 100 °C
	34.0 GPa @Temperature 100 °C
	35.0 GPa @Temperature 20.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000670 - 0.00000720 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	16.7 - 17.7 µm/m-°C @Temperature 20.0 - 100 °C
	17.5 - 18.5 µm/m-°C @Temperature 20.0 - 200 °C
	18.3 - 19.3 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.860 - 0.900 J/g-°C
Thermal Conductivity	124.1 W/m-K @Temperature 400 °C
	131.5 W/m-K @Temperature 200 °C
	131.9 W/m-K @Temperature 300 °C
	132.7 W/m-K @Temperature 100 °C
	135.5 W/m-K @Temperature 30.0 °C
Melting Point	504 - 778 °C
Solidus	504.1 - 510.1 °C
Liquidus	772.1 - 778.1 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	70 %	As Balance
Copper, Cu	4.0 %
Magnesium, Mg	1.0 %
Silicon, Si	25 %

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NPEAK06 / 101611

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