Aluminum 295.0-T4, Sand Cast

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Aluminum 295.0-T4, Sand Cast
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Aluminum Casting Alloy
Material Notes:	Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium 295.0-T4; UNS A02950; AA295.0-T4; Al295.0-T4
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Physical Properties	Metric	English	Comments

Density	2.81 g/cc	0.102 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	45 - 75	45 - 75	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	83	83	Estimated from Brinell Hardness.
Hardness, Vickers	70	70	Estimated from Brinell Hardness.
Tensile Strength, Ultimate	>= 200 MPa	>= 29000 psi	AA
Tensile Strength, Yield	>= 89.6 MPa @Strain 0.2 %	>= 13000 psi @Strain 0.2 %	AA
Elongation at Break	>= 6.0 %	>= 6.0 %	AA; in 2 in. (50 mm) or 4D
Tensile Modulus	70.0 GPa	10200 ksi	Compressive modulus in is typically about 2% higher for Al alloys
Compressive Yield Strength	115 MPa	16700 psi
Poissons Ratio	0.33	0.33
Fatigue Strength	48.0 MPa @# of Cycles 5.00e+8	6960 psi @# of Cycles 5.00e+8	Notch Status unknown, R.R. Moore Test
Machinability	70 %	70 %	0-100 Scale (100=best)
Shear Modulus	25.9 GPa	3760 ksi
Shear Strength	180 MPa	26100 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000490 ohm-cm	0.00000490 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	389 J/g	167 BTU/lb
CTE, linear	22.9 µm/m-°C @Temperature 20.0 - 100 °C	12.7 µin/in-°F @Temperature 68.0 - 212 °F
	24.8 µm/m-°C @Temperature 20.0 - 300 °C	13.8 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.963 J/g-°C	0.230 BTU/lb-°F
Thermal Conductivity	138 W/m-K	958 BTU-in/hr-ft²-°F
Melting Point	521 - 643 °C	970 - 1190 °F
Solidus	521 °C	970 °F
Liquidus	643 °C	1190 °F

Processing Properties	Metric	English	Comments
Melt Temperature	677 - 816 °C	1250 - 1500 °F
Solution Temperature	513 - 518 °C	955 - 965 °F	hold at temperature for 12 hr; cool in water at 150 to 212°F
Aging Temperature	152 - 157 °C	305 - 315 °F
Casting Temperature	677 - 788 °C	1250 - 1450 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	91.3 - 95.3 %	91.3 - 95.3 %	As remainder
Copper, Cu	4.0 - 5.0 %	4.0 - 5.0 %
Iron, Fe	<= 1.0 %	<= 1.0 %
Magnesium, Mg	<= 0.03 %	<= 0.03 %
Manganese, Mn	<= 0.35 %	<= 0.35 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	0.70 - 1.5 %	0.70 - 1.5 %
Titanium, Ti	<= 0.25 %	<= 0.25 %
Zinc, Zn	<= 0.35 %	<= 0.35 %

References for this datasheet.

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MAC2950T4 / 9826

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