Alcoa Deltalloy® 4032-T651 Aluminum

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Alcoa Deltalloy® 4032-T651 Aluminum
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 4000 Series Aluminum Alloy
Material Notes:	Weldability = B; Stress Corrosion Cracking Resistance = B; General Corrosion Resistance = C (A = best; E = worst). General 4032 characteristics and uses: Good machinability and drilling characteristics when using single point or multi-spindle screw machines. Excellent surface finish using polycrystalline or carbide tooling. Superior wear resistance, eliminated the need for hard coat anodizing. High strength, low thermal expansion. Uses: Master brake cylinders, transmission valves, copier parts, bushings for rack and pinion steering systems, sound recording devices, bearings and hydraulic applications, forged pistons. Data supplied by the manufacturer, Alcoa.
Key Words:	Aluminum 4032-T651; 4032-T651 Aluminium; UNS A94032; Alcoa, Aluminum Company of America; AA4032-T651
Vendors:	Eagle Alloys Corporation is a leading supplier of quality metals and alloys. Our staff prides itself on working fast, efficiently and courteously to get you the information you need. Call (800) 237-9012 or visit www.EagleAlloys.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	2.68 g/cc	0.0968 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	120	120	500 kg load/10 mm ball
Hardness, Knoop	150	150	Estimated from Brinell
Hardness, Rockwell A	46.8	46.8	Estimated from Brinell
Hardness, Rockwell B	75	75	Estimated from Brinell
Hardness, Vickers	136	136	Estimated from Brinell
Tensile Strength, Ultimate	>= 359 MPa	>= 52100 psi
Tensile Strength, Yield	>= 331 MPa	>= 48000 psi
Elongation at Break	4.0 %	4.0 %
Modulus of Elasticity	79.0 GPa	11500 ksi
Fatigue Strength	110 MPa @# of Cycles 5.00e+8	16000 psi @# of Cycles 5.00e+8	completely reversed; R. R. Moore Machine and specimen.
Machinability	70 %	70 %	0-100 Scale (A=90; B=70; C=50; D=30; E=10)
Shear Strength	262 MPa	38000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000450 ohm-cm	0.00000450 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	19.4 µm/m-°C @Temperature 20.0 - 100 °C	10.8 µin/in-°F @Temperature 68.0 - 212 °F	average
Thermal Conductivity	138 W/m-K	958 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	85 %	85 %
Chromium, Cr	<= 0.10 %	<= 0.10 %
Copper, Cu	0.50 - 1.3 %	0.50 - 1.3 %
Iron, Fe	<= 1.0 %	<= 1.0 %
Magnesium, Mg	0.80 - 1.3 %	0.80 - 1.3 %
Nickel, Ni	0.50 - 1.3 %	0.50 - 1.3 %
Silicon, Si	11 - 13.5 %	11 - 13.5 %
Zinc, Zn	<= 0.25 %	<= 0.25 %

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NALCOA00 / 14743

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