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Alcoa Toolrite 2011®-T8 Aluminum

Category Metal , Nonferrous Metal , Aluminum Alloy , 2000 Series Aluminum Alloy
Manufacturer Alcoa
Trade Name Toolrite
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Weldability = D; Stress Corrosion Cracking Resistance = B; General Corrosion Resistance = D (A = best; E = worst). General 2011 characteristics and uses: Good machinability, especially free-cutting qualities, good mechanical properties. Excellent surface finish capability. The T451 temper offers good deep drilling characteristics.Uses: Adapters, carburetor parts, clock parts and gears, knobs, camera parts, meter shafts and gears, nozzles, pencil and pen parts, oil line filters, pipe stems and filters, radio parts, screwdriver caps, spindles, telephone parts, TV fittings, tripod fittings, machine parts, hose parts, pipe stems.Data supplied by the manufacturer, Alcoa.
Physical Properties Metric English Comments
Density 2.82 g/cc
0.102 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 100
100
500 kg load/10 mm ball
Hardness, Knoop 126
126
Estimated from Brinell
Hardness, Rockwell A 41
41
Estimated from Brinell
Hardness, Rockwell B 63
63
Estimated from Brinell
Hardness, Vickers 112
112
Estimated from Brinell
Tensile Strength, Ultimate >= 372 MPa
>= 54000 psi
Tensile Strength, Yield >= 276 MPa
>= 40000 psi
Larger sizes may be lower.
Elongation at Break 10 %
10 %
Modulus of Elasticity 70.0 GPa
10200 ksi
Fatigue Strength 124 MPa

@# of Cycles 5.00e+8
18000 psi

@# of Cycles 5.00e+8
completely reversed; R. R. Moore Machine and specimen.
Machinability 90 %
90 %
0-100 Scale (A=90; B=70; C=50; D=30; E=10)
Shear Strength 241 MPa
35000 psi
Thermal Properties Metric English Comments
CTE, linear 22.9 µm/m-°C

@Temperature 20.0 - 100 °C
12.7 µin/in-°F

@Temperature 68.0 - 212 °F
average
Thermal Conductivity 171 W/m-K
1190 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Aluminum, Al 93.7 %
93.7 %
Bismuth, Bi 0.20 - 0.60 %
0.20 - 0.60 %
Copper, Cu 5.0 - 6.0 %
5.0 - 6.0 %
Iron, Fe <= 0.70 %
<= 0.70 %
Lead, Pb 0.20 - 0.60 %
0.20 - 0.60 %
Silicon, Si <= 0.40 %
<= 0.40 %
Zinc, Zn <= 0.30 %
<= 0.30 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000380 ohm-cm
0.00000380 ohm-cm
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