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Rulon Bearings

Aluminum 2219-T81
Categories: Metal; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum 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: UNS A92219; ISO AlCu6Mn; Aluminium 2219-T81; AA2219-T81; Al2219-T81
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Physical PropertiesMetricEnglishComments
Density 2.84 g/cc0.103 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 130130500 kg load with 10 mm ball
Hardness, Knoop 163163Converted from Brinell Hardness Value
Hardness, Rockwell A 49.549.5Converted from Brinell Hardness Value
Hardness, Rockwell B 8080Converted from Brinell Hardness Value
Hardness, Vickers 149149Converted from Brinell Hardness Value
Tensile Strength, Ultimate >= 400 MPa>= 58000 psiWire, rod, bar, and shapes (extruded)
 >= 400 MPa>= 58000 psiExtruded tube
 >= 425 MPa>= 61600 psiSheet
 455 MPa66000 psiAA; Typical
 30.0 MPa
@Temperature 371 °C
4350 psi
@Temperature 700 °F
 48.0 MPa
@Temperature 316 °C
6960 psi
@Temperature 601 °F
 200 MPa
@Temperature 260 °C
29000 psi
@Temperature 500 °F
 248 MPa
@Temperature 204 °C
36000 psi
@Temperature 399 °F
 338 MPa
@Temperature 149 °C
49000 psi
@Temperature 300 °F
 414 MPa
@Temperature 100 °C
60000 psi
@Temperature 212 °F
 455 MPa
@Temperature 24.0 °C
66000 psi
@Temperature 75.2 °F
 476 MPa
@Temperature -28.0 °C
69000 psi
@Temperature -18.4 °F
 490 MPa
@Temperature -80.0 °C
71100 psi
@Temperature -112 °F
 572 MPa
@Temperature -196 °C
83000 psi
@Temperature -321 °F
Tensile Strength, Yield >= 290 MPa>= 42100 psiWire, rod, bar, and shapes (extruded)
 >= 290 MPa>= 42100 psiExtruded tube
 >= 315 MPa>= 45700 psiSheet
 352 MPa51000 psiAA; Typical
 26.0 MPa
@Strain 0.2 %,
Temperature 371 °C
3770 psi
@Strain 0.2 %,
Temperature 700 °F
 41.0 MPa
@Strain 0.2 %,
Temperature 316 °C
5950 psi
@Strain 0.2 %,
Temperature 601 °F
 159 MPa
@Strain 0.2 %,
Temperature 260 °C
23100 psi
@Strain 0.2 %,
Temperature 500 °F
 200 MPa
@Strain 0.2 %,
Temperature 204 °C
29000 psi
@Strain 0.2 %,
Temperature 399 °F
 276 MPa
@Strain 0.2 %,
Temperature 149 °C
40000 psi
@Strain 0.2 %,
Temperature 300 °F
 324 MPa
@Strain 0.2 %,
Temperature 100 °C
47000 psi
@Strain 0.2 %,
Temperature 212 °F
 345 MPa
@Strain 0.2 %,
Temperature 24.0 °C
50000 psi
@Strain 0.2 %,
Temperature 75.2 °F
 359 MPa
@Strain 0.2 %,
Temperature -28.0 °C
52100 psi
@Strain 0.2 %,
Temperature -18.4 °F
 372 MPa
@Strain 0.2 %,
Temperature -80.0 °C
54000 psi
@Strain 0.2 %,
Temperature -112 °F
 421 MPa
@Strain 0.2 %,
Temperature -196 °C
61100 psi
@Strain 0.2 %,
Temperature -321 °F
Elongation at Break 6.0 %6.0 %Wire, rod, bar, and shapes (extruded)
 6.0 %6.0 %Extruded tube
 6.0 - 7.0 %6.0 - 7.0 %Sheet
 12 %
@Temperature -28.0 °C
12 %
@Temperature -18.4 °F
 12 %
@Temperature 24.0 °C
12 %
@Temperature 75.2 °F
 13 %
@Temperature -80.0 °C
13 %
@Temperature -112 °F
 15 %
@Temperature -196 °C
15 %
@Temperature -321 °F
 15 %
@Temperature 100 °C
15 %
@Temperature 212 °F
 17 %
@Temperature 149 °C
17 %
@Temperature 300 °F
 20 %
@Temperature 204 °C
20 %
@Temperature 399 °F
 21 %
@Temperature 260 °C
21 %
@Temperature 500 °F
 55 %
@Temperature 316 °C
55 %
@Temperature 601 °F
 75 %
@Temperature 371 °C
75 %
@Temperature 700 °F
 10 %
@Thickness 1.59 mm
10 %
@Thickness 0.0625 in
AA; Typical
Modulus of Elasticity 73.1 GPa10600 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Ultimate Bearing Strength 896 MPa130000 psiEdge distance/pin diameter = 2.0
Bearing Yield Strength 696 MPa101000 psiEdge distance/pin diameter = 2.0
Poissons Ratio 0.330.33Estimated from trends in similar Al alloys.
Fatigue Strength 103 MPa
@# of Cycles 5.00e+8
15000 psi
@# of Cycles 5.00e+8
completely reversed stress; RR Moore machine/specimen
Fracture Toughness 36.0 MPa-m½32.8 ksi-in½KIC; TL orientation.
Machinability 30 %30 %0-100 Scale of Aluminum Alloys
Shear Modulus 27.0 GPa3920 ksiEstimated from similar Al alloys.
Shear Strength 285 MPa41300 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000582 ohm-cm
@Temperature 20.0 °C
0.00000582 ohm-cm
@Temperature 68.0 °F
AA; Typical
 
Thermal PropertiesMetricEnglishComments
CTE, linear  20.8 µm/m-°C
@Temperature -50.0 - 20.0 °C
11.6 µin/in-°F
@Temperature -58.0 - 68.0 °F
 22.3 µm/m-°C
@Temperature 20.0 - 100 °C
12.4 µin/in-°F
@Temperature 68.0 - 212 °F
AA; Typical; average over range
 22.5 µm/m-°C
@Temperature 20.0 - 100 °C
12.5 µin/in-°F
@Temperature 68.0 - 212 °F
 23.4 µm/m-°C
@Temperature 20.0 - 200 °C
13.0 µin/in-°F
@Temperature 68.0 - 392 °F
 24.1 µm/m-°C
@Temperature 20.0 - 300 °C
13.4 µin/in-°F
@Temperature 68.0 - 572 °F
 24.4 µm/m-°C
@Temperature 20.0 - 300 °C
13.6 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.864 J/g-°C0.207 BTU/lb-°F
Thermal Conductivity 121 W/m-K840 BTU-in/hr-ft²-°FAA; Typical at 77°F
Melting Point 543 - 643 °C1010 - 1190 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus 543 °C1010 °FAA; Typical
Liquidus 643 °C1190 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 413 °C775 °F
Solution Temperature 535 °C995 °F
Aging Temperature 163 - 191 °C325 - 375 °Ffrom 18 to 36 hr at temperature
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 91.5 - 93.8 %91.5 - 93.8 %As remainder
Copper, Cu 5.8 - 6.8 %5.8 - 6.8 %
Iron, Fe <= 0.30 %<= 0.30 %
Magnesium, Mg <= 0.02 %<= 0.02 %
Manganese, Mn 0.20 - 0.40 %0.20 - 0.40 %
Other, each <= 0.05 %<= 0.05 %
Other, total <= 0.15 %<= 0.15 %
Silicon, Si <= 0.20 %<= 0.20 %
Titanium, Ti 0.02 - 0.10 %0.02 - 0.10 %
Vanadium, V 0.05 - 0.15 %0.05 - 0.15 %
Zinc, Zn <= 0.10 %<= 0.10 %
Zirconium, Zr 0.10 - 0.25 %0.10 - 0.25 %

References for this datasheet.

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