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Rulon Bearings

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Aluminum 7050-T73652 forgings
Categories: Metal; Nonferrous Metal; Aluminum Alloy; 7000 Series Aluminum Alloy
Material Notes: 7050 has very high strength coupled with high resistance to exfoliation corrosion and stress-corrosion cracking, high fracture toughness, and fatigue resistance. This leads to applications in aircraft structures.

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: AA7050-T73652; AA7070-T73652, UNS A97050; ISO AlZn6CuMgZr; Aluminium 7050-T73652; Aluminium 7070-T73652; Al7070-T73652
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Physical PropertiesOriginal ValueComments
Density 2.83 g/ccAA; Typical
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 140500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop 177Converted from Brinell Hardness Value
Hardness, Rockwell A 51.6Converted from Brinell Hardness Value
Hardness, Rockwell B 84Converted from Brinell Hardness Value
Hardness, Vickers 162Converted from Brinell Hardness Value
Tensile Strength, Ultimate 524 MPa
@Temperature 24.0 °C		T73652 forgings
 552 MPa
@Temperature -28.0 °C		T73652 forgings
 586 MPa
@Temperature -80.0 °C		T73652 forgings
 662 MPa
@Temperature -196 °C		T73652 forgings
 117 MPa
@Temperature 204 °C,
Time 3.60e+7 sec		T73652 forgings
 131 MPa
@Temperature 204 °C,
Time 3.60e+6 sec		T73652 forgings
 159 MPa
@Temperature 177 °C,
Time 3.60e+7 sec		T73652 forgings
 165 MPa
@Temperature 204 °C,
Time 360000 sec		T73652 forgings
 193 MPa
@Temperature 177 °C,
Time 3.60e+6 sec		T73652 forgings
 221 MPa
@Temperature 149 °C,
Time 3.60e+7 sec		T73652 forgings
 221 MPa
@Temperature 204 °C,
Time 36000 sec		T73652 forgings
 248 MPa
@Temperature 177 °C,
Time 360000 sec		T73652 forgings
 290 MPa
@Temperature 149 °C,
Time 3.60e+6 sec		T73652 forgings
 296 MPa
@Temperature 204 °C,
Time 1800 sec		T73652 forgings
 324 MPa
@Temperature 177 °C,
Time 36000 sec		T73652 forgings
 324 MPa
@Temperature 204 °C,
Time 360 sec		T73652 forgings
 365 MPa
@Temperature 149 °C,
Time 360000 sec		T73652 forgings
 365 MPa
@Temperature 177 °C,
Time 1800 sec		T73652 forgings
 376 MPa
@Temperature 177 °C,
Time 360 sec		T73652 forgings
 407 MPa
@Temperature 149 °C,
Time 36000 sec		T73652 forgings
 414 MPa
@Temperature 149 °C,
Time 360 sec		T73652 forgings
 414 MPa
@Temperature 149 °C,
Time 1800 sec		T73652 forgings
 462 MPa
@Temperature 100 °C,
Time 360 - 36000 sec		T73652 forgings
 462 MPa
@Temperature 100 °C,
Time 3.60e+6 sec		T73652 forgings
 462 MPa
@Temperature 100 °C,
Time 3.60e+7 sec		T73652 forgings
 469 MPa
@Temperature 100 °C,
Time 360000 sec		T73652 forgings
 524 MPa
@Treatment Temp. 24.0 °C		T73652 forgings
 234 MPa
@Treatment Temp. 204 °C,
Time 3.60e+7 sec		T73652 forgings
 248 MPa
@Treatment Temp. 177 °C,
Time 3.60e+7 sec		T73652 forgings
 262 MPa
@Treatment Temp. 204 °C,
Time 3.60e+6 sec		T73652 forgings
 317 MPa
@Treatment Temp. 177 °C,
Time 3.60e+6 sec		T73652 forgings
 317 MPa
@Treatment Temp. 204 °C,
Time 360000 sec		T73652 forgings
 331 MPa
@Treatment Temp. 149 °C,
Time 3.60e+7 sec		T73652 forgings
 386 MPa
@Treatment Temp. 177 °C,
Time 360000 sec		T73652 forgings
 386 MPa
@Treatment Temp. 204 °C,
Time 36000 sec		T73652 forgings
 407 MPa
@Treatment Temp. 149 °C,
Time 3.60e+6 sec		T73652 forgings
 469 MPa
@Treatment Temp. 177 °C,
Time 36000 sec		T73652 forgings
 483 MPa
@Treatment Temp. 149 °C,
Time 360000 sec		T73652 forgings
 483 MPa
@Treatment Temp. 204 °C,
Time 1800 sec		T73652 forgings
 496 MPa
@Treatment Temp. 177 °C,
Time 1800 sec		T73652 forgings
 503 MPa
@Treatment Temp. 149 °C,
Time 36000 sec		T73652 forgings
 503 MPa
@Treatment Temp. 204 °C,
Time 360 sec		T73652 forgings
 510 MPa
@Treatment Temp. 149 °C,
Time 1800 sec		T73652 forgings
 510 MPa
@Treatment Temp. 177 °C,
Time 360 sec		T73652 forgings
 517 MPa
@Treatment Temp. 100 °C,
Time 3.60e+7 sec		T73652 forgings
 517 MPa
@Treatment Temp. 149 °C,
Time 360 sec		T73652 forgings
 524 MPa
@Treatment Temp. 100 °C,
Time 360 - 36000 sec		T73652 forgings
 524 MPa
@Treatment Temp. 100 °C,
Time 360000 sec		T73652 forgings
 524 MPa
@Treatment Temp. 100 °C,
Time 3.60e+6 sec		T73652 forgings
Tensile Strength, Yield 455 MPa
@Temperature 24.0 °C		T73652 forgings
 476 MPa
@Temperature -28.0 °C		T73652 forgings
 503 MPa
@Temperature -80.0 °C		T73652 forgings
 572 MPa
@Temperature -196 °C		T73652 forgings
 90.0 MPa
@Temperature 204 °C,
Time 3.60e+7 sec		T73652 forgings
 110 MPa
@Temperature 204 °C,
Time 3.60e+6 sec		T73652 forgings
 124 MPa
@Temperature 177 °C,
Time 3.60e+7 sec		T73652 forgings
 152 MPa
@Temperature 204 °C,
Time 360000 sec		T73652 forgings
 172 MPa
@Temperature 177 °C,
Time 3.60e+6 sec		T73652 forgings
 193 MPa
@Temperature 149 °C,
Time 3.60e+7 sec		T73652 forgings
 207 MPa
@Temperature 204 °C,
Time 36000 sec		T73652 forgings
 234 MPa
@Temperature 177 °C,
Time 360000 sec		T73652 forgings
 276 MPa
@Temperature 149 °C,
Time 3.60e+6 sec		T73652 forgings
 276 MPa
@Temperature 204 °C,
Time 1800 sec		T73652 forgings
 290 MPa
@Temperature 204 °C,
Time 360 sec		T73652 forgings
 310 MPa
@Temperature 177 °C,
Time 36000 sec		T73652 forgings
 345 MPa
@Temperature 177 °C,
Time 360 sec		T73652 forgings
 345 MPa
@Temperature 177 °C,
Time 1800 sec		T73652 forgings
 352 MPa
@Temperature 149 °C,
Time 360000 sec		T73652 forgings
 386 MPa
@Temperature 149 °C,
Time 360 sec		T73652 forgings
 386 MPa
@Temperature 149 °C,
Time 1800 sec		T73652 forgings
 386 MPa
@Temperature 149 °C,
Time 36000 sec		T73652 forgings
 421 MPa
@Temperature 100 °C,
Time 3.60e+7 sec		T73652 forgings
 427 MPa
@Temperature 100 °C,
Time 360 - 36000 sec		T73652 forgings
 427 MPa
@Temperature 100 °C,
Time 3.60e+6 sec		T73652 forgings
 434 MPa
@Temperature 100 °C,
Time 360000 sec		T73652 forgings
 455 MPa
@Treatment Temp. 24.0 °C		T73652 forgings
 117 MPa
@Treatment Temp. 204 °C,
Time 3.60e+7 sec		T73652 forgings
 138 MPa
@Treatment Temp. 204 °C,
Time 3.60e+6 sec		T73652 forgings
 152 MPa
@Treatment Temp. 177 °C,
Time 3.60e+7 sec		T73652 forgings
 200 MPa
@Treatment Temp. 204 °C,
Time 360000 sec		T73652 forgings
 214 MPa
@Treatment Temp. 177 °C,
Time 3.60e+6 sec		T73652 forgings
 228 MPa
@Treatment Temp. 149 °C,
Time 3.60e+7 sec		T73652 forgings
 283 MPa
@Treatment Temp. 204 °C,
Time 36000 sec		T73652 forgings
 296 MPa
@Treatment Temp. 177 °C,
Time 360000 sec		T73652 forgings
 317 MPa
@Treatment Temp. 149 °C,
Time 3.60e+6 sec		T73652 forgings
 400 MPa
@Treatment Temp. 177 °C,
Time 36000 sec		T73652 forgings
 407 MPa
@Treatment Temp. 149 °C,
Time 360000 sec		T73652 forgings
 421 MPa
@Treatment Temp. 204 °C,
Time 1800 sec		T73652 forgings
 434 MPa
@Treatment Temp. 204 °C,
Time 360 sec		T73652 forgings
 441 MPa
@Treatment Temp. 149 °C,
Time 36000 sec		T73652 forgings
 441 MPa
@Treatment Temp. 177 °C,
Time 1800 sec		T73652 forgings
 448 MPa
@Treatment Temp. 149 °C,
Time 1800 sec		T73652 forgings
 448 MPa
@Treatment Temp. 177 °C,
Time 360 sec		T73652 forgings
 455 MPa
@Treatment Temp. 149 °C,
Time 360 sec		T73652 forgings
 455 MPa
@Treatment Temp. 100 °C,
Time 360 - 36000 sec		T73652 forgings
 462 MPa
@Treatment Temp. 100 °C,
Time 360000 sec		T73652 forgings
 517 MPa
@Treatment Temp. 100 °C,
Time 3.60e+7 sec		T73652 forgings
 524 MPa
@Treatment Temp. 100 °C,
Time 3.60e+6 sec		T73652 forgings
Elongation at Break 13 %
@Temperature -196 °C		T73652 forgings
 14 %
@Temperature -80.0 °C		T73652 forgings
 15 %
@Temperature -28.0 °C		T73652 forgings
 15 %
@Temperature 24.0 °C		T73652 forgings
 16 %
@Temperature 100 °C,
Time 360 - 36000 sec		T73652 forgings
 16 %
@Temperature 100 °C,
Time 360000 sec		T73652 forgings
 17 %
@Temperature 100 °C,
Time 3.60e+6 sec		T73652 forgings
 17 %
@Temperature 100 °C,
Time 3.60e+7 sec		T73652 forgings
 17 %
@Temperature 149 °C,
Time 360 sec		T73652 forgings
 17 %
@Temperature 149 °C,
Time 1800 sec		T73652 forgings
 18 %
@Temperature 149 °C,
Time 36000 sec		T73652 forgings
 19 %
@Temperature 177 °C,
Time 360 sec		T73652 forgings
 20 %
@Temperature 149 °C,
Time 360000 sec		T73652 forgings
 20 %
@Temperature 177 °C,
Time 1800 sec		T73652 forgings
 22 %
@Temperature 177 °C,
Time 36000 sec		T73652 forgings
 22 %
@Temperature 204 °C,
Time 360 sec		T73652 forgings
 23 %
@Temperature 149 °C,
Time 3.60e+6 sec		T73652 forgings
 23 %
@Temperature 204 °C,
Time 1800 sec		T73652 forgings
 25 %
@Temperature 177 °C,
Time 360000 sec		T73652 forgings
 27 %
@Temperature 204 °C,
Time 36000 sec		T73652 forgings
 29 %
@Temperature 149 °C,
Time 3.60e+7 sec		T73652 forgings
 31 %
@Temperature 177 °C,
Time 3.60e+6 sec		T73652 forgings
 32 %
@Temperature 204 °C,
Time 360000 sec		T73652 forgings
 40 %
@Temperature 177 °C,
Time 3.60e+7 sec		T73652 forgings
 45 %
@Temperature 204 °C,
Time 3.60e+6 sec		T73652 forgings
 54 %
@Temperature 204 °C,
Time 3.60e+7 sec		T73652 forgings
 15 %
@Treatment Temp. 24.0 °C		T73652 forgings
 15 %
@Treatment Temp. 100 °C,
Time 360 - 36000 sec		T73652 forgings
 15 %
@Treatment Temp. 204 °C,
Time 1800 sec		T73652 forgings
 15 %
@Treatment Temp. 100 °C,
Time 360000 sec		T73652 forgings
 15 %
@Treatment Temp. 149 °C,
Time 360 sec		T73652 forgings
 15 %
@Treatment Temp. 149 °C,
Time 1800 sec		T73652 forgings
 15 %
@Treatment Temp. 177 °C,
Time 360 sec		T73652 forgings
 15 %
@Treatment Temp. 177 °C,
Time 1800 sec		T73652 forgings
 15 %
@Treatment Temp. 204 °C,
Time 360 sec		T73652 forgings
 16 %
@Treatment Temp. 100 °C,
Time 3.60e+6 sec		T73652 forgings
 16 %
@Treatment Temp. 100 °C,
Time 3.60e+7 sec		T73652 forgings
 16 %
@Treatment Temp. 149 °C,
Time 36000 sec		T73652 forgings
 16 %
@Treatment Temp. 149 °C,
Time 360000 sec		T73652 forgings
 16 %
@Treatment Temp. 177 °C,
Time 36000 sec		T73652 forgings
 16 %
@Treatment Temp. 204 °C,
Time 36000 sec		T73652 forgings
 17 %
@Treatment Temp. 149 °C,
Time 3.60e+6 sec		T73652 forgings
 17 %
@Treatment Temp. 149 °C,
Time 3.60e+7 sec		T73652 forgings
 17 %
@Treatment Temp. 177 °C,
Time 360000 sec		T73652 forgings
 17 %
@Treatment Temp. 177 °C,
Time 3.60e+6 sec		T73652 forgings
 17 %
@Treatment Temp. 204 °C,
Time 360000 sec		T73652 forgings
 18 %
@Treatment Temp. 177 °C,
Time 3.60e+7 sec		T73652 forgings
 19 %
@Treatment Temp. 204 °C,
Time 3.60e+6 sec		T73652 forgings
 22 %
@Treatment Temp. 204 °C,
Time 3.60e+7 sec		T73652 forgings
Modulus of Elasticity 10400 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio 0.33
Fracture Toughness >= 17.6 MPa-m½S-L, Plane-strain, hand forgings
 >= 18.7 MPa-m½T-L, Plane-strain, hand forgings
 22.0 MPa-m½average; S-L, Plane-strain, hand forgings
 23.1 MPa-m½average; T-L, Plane-strain, hand forgings
 >= 29.7 MPa-m½L-T, Plane-strain, hand forgings
 36.3 MPa-m½average; L-T, Plane-strain, hand forgings
Shear Modulus 26.9 GPa
Shear Strength 44.0 ksiAA; Typical
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.00000430 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.8 µin/in-°F
@Temperature 20.0 - 100 °C		AA; Typical; average over range
 21.7 µm/m-°C
@Temperature -50.0 - 20.0 °C
 23.5 µm/m-°C
@Temperature 20.0 - 100 °C
 24.4 µm/m-°C
@Temperature 20.0 - 200 °C
 25.4 µm/m-°C
@Temperature 20.0 - 300 °C
Specific Heat Capacity 0.860 J/g-°C
Thermal Conductivity 157 W/m-K
Melting Point 910 - 1165 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus 910 °FAA; Typical
Liquidus 1165 °FAA; Typical
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 775 °F
Solution Temperature 890 °F
Aging Temperature 250 - 350 °F
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 87.3 - 90.3 %As remainder
Chromium, Cr <= 0.04 %
Copper, Cu 2.0 - 2.6 %
Iron, Fe <= 0.15 %
Magnesium, Mg 1.9 - 2.6 %
Manganese, Mn <= 0.10 %
Other, each <= 0.05 %
Other, total <= 0.15 %
Silicon, Si <= 0.12 %
Titanium, Ti <= 0.06 %
Zinc, Zn 5.7 - 6.7 %
Zirconium, Zr 0.08 - 0.15 %

References for this datasheet.

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