Erbslöh Aluminium DISPAL S270 Aluminum Alloy, AlSi25Fe4Ni3CuMgMnCrTi, Condition F

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Erbslöh Aluminium DISPAL S270 Aluminum Alloy, AlSi25Fe4Ni3CuMgMnCrTi, 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	2.651 - 2.930 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	>= 160	HV30
Tensile Strength at Break	>= 138 MPa @Temperature 300 °C
	>= 252 MPa @Temperature 250 °C
	>= 296 MPa @Temperature 200 °C
	>= 370 MPa @Temperature 20.0 °C
	>= 398 MPa @Temperature 150 °C
Tensile Strength, Yield	>= 72.0 MPa @Temperature 300 °C
	>= 167 MPa @Temperature 250 °C
	>= 220 MPa @Temperature 200 °C
	>= 240 MPa @Temperature 20.0 °C
	>= 260 MPa @Temperature 150 °C
Elongation at Break	>= 0.80 % @Temperature 20.0 °C
	>= 1.6 % @Temperature 150 °C
	>= 1.8 % @Temperature 200 °C
	>= 8.0 % @Temperature 250 °C
	>= 11.6 % @Temperature 300 °C
Modulus of Elasticity	>= 61.0 GPa @Temperature 300 °C
	>= 78.0 GPa @Temperature 150 °C
	>= 81.0 GPa @Temperature 200 °C
	>= 89.0 GPa @Temperature 150 °C
	>= 90.0 GPa @Temperature 20.0 °C
Poissons Ratio	0.284 @Temperature 20.0 °C
	0.286 @Temperature 100 °C
	0.288 @Temperature 150 °C
	0.289 @Temperature 200 °C
	0.291 @Temperature 250 °C
	0.292 @Temperature 300 °C
Fatigue Strength	78.6 MPa @Temperature 300 °C	P50% rotary bending values for 5X10⁷ cycles
	102.2 MPa @Temperature 250 °C	P50% rotary bending values for 5X10⁷ cycles
	115.3 MPa @Temperature 150 °C	P50% rotary bending values for 5X10⁷ cycles
	214 MPa @Temperature 20.0 °C	P50% rotary bending values for 5X10⁷ cycles
Shear Modulus	36.0 GPa @Temperature 300 °C
	37.0 GPa @Temperature 250 °C
	38.0 GPa @Temperature 200 °C
	39.0 GPa @Temperature 150 °C
	40.0 GPa @Temperature 100 °C
	41.0 GPa @Temperature 20.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000940 - 0.0000104 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	15.2 - 16.2 µm/m-°C @Temperature 20.0 - 100 °C
	15.7 - 16.7 µm/m-°C @Temperature 20.0 - 200 °C
	16.3 - 17.3 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.800 - 0.840 J/g-°C
Thermal Conductivity	89.60 W/m-K @Temperature 400 °C
	93.70 W/m-K @Temperature 300 °C
	94.90 W/m-K @Temperature 200 °C
	96.30 W/m-K @Temperature 100 °C
	98.40 W/m-K @Temperature 30.0 °C
Melting Point	536 - 777 °C
Solidus	536.3 - 542.3 °C
Liquidus	770.9 - 776.9 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	63 %	As Balance
Chromium, Cr	1.0 %
Copper, Cu	1.0 %
Iron, Fe	4.0 %
Magnesium, Mg	1.0 %
Manganese, Mn	1.0 %
Nickel, Ni	3.0 %
Silicon, Si	25 %
Titanium, Ti	1.0 %

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NPEAK06b / 143031

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