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	Original Value	Comments

Density	2.68 g/cc

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

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000450 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	19.4 µm/m-°C @Temperature 20.0 - 100 °C	average
Thermal Conductivity	138 W/m-K

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

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NALCOA00 / 14743

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