Alcoa QC-10® Aluminum Mold Alloy

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Alcoa QC-10® Aluminum Mold Alloy
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Aluminum Casting Alloy
Material Notes:	Specifically designed for high production injection and blow mold applications, QC-10 offers outstanding strength, stability, and durability. Its improved alloy composition provides outstanding, 1"- 24" thick section strength and hardness equal to that of rolled plate. Its quench insensitive microstructure allows minimal strength drop-off and excellent machinability. Information provided by Alcoa.
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Physical Properties	Metric	English	Comments

Density	2.85 g/cc	0.103 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	150 - 170	150 - 170	center
Tensile Strength, Ultimate	500 MPa @Thickness >=508 mm	72500 psi @Thickness >=20.0 in	at center (L/T direction)
	510 MPa @Thickness 356 - 457 mm	74000 psi @Thickness 14.0 - 18.0 in	at center (L/T direction)
	530 MPa @Thickness 203 - 305 mm	76900 psi @Thickness 8.00 - 12.0 in	at center (L/T direction)
	565 MPa @Thickness 50.8 - 152 mm	81900 psi @Thickness 2.00 - 6.00 in	at center (L/T direction)
Tensile Strength, Yield	455 MPa @Thickness >=508 mm	66000 psi @Thickness >=20.0 in	at center (L/T direction)
	470 MPa @Thickness 356 - 457 mm	68200 psi @Thickness 14.0 - 18.0 in	at center (L/T direction)
	500 MPa @Thickness 203 - 305 mm	72500 psi @Thickness 8.00 - 12.0 in	at center (L/T direction)
	525 MPa @Thickness 50.8 - 152 mm	76100 psi @Thickness 2.00 - 6.00 in	at center (L/T direction)
Elongation at Break	3.0 % @Thickness >=508 mm	3.0 % @Thickness >=20.0 in	at center (L/T direction)
	6.0 % @Thickness 356 - 457 mm	6.0 % @Thickness 14.0 - 18.0 in	at center (L/T direction)
	8.0 % @Thickness 203 - 305 mm	8.0 % @Thickness 8.00 - 12.0 in	at center (L/T direction)
	10 % @Thickness 50.8 - 152 mm	10 % @Thickness 2.00 - 6.00 in	at center (L/T direction)
Modulus of Elasticity	70.0 GPa	10200 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	24.7 µm/m-°C	13.7 µin/in-°F
Specific Heat Capacity	0.879 J/g-°C	0.210 BTU/lb-°F
Thermal Conductivity	160 W/m-K	1110 BTU-in/hr-ft²-°F

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NALCOA90 / 10263

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