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Rulon Bearings

Aluminum 2218-T61 (Includes Creep/Rupture/Fatigue Data)
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: Aluminium 2218-T61; UNS A92218; AMS 4142; NF A-U4N (France); QQ-A-367; SAE J454; AA2218-T61
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 2.81 g/cc0.102 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 115115500 kg load with 10 mm ball
Hardness, Knoop 140140Converted from Brinell Hardness Value
Hardness, Rockwell A 45.545.5Converted from Brinell Hardness Value
Hardness, Rockwell B 7171Converted from Brinell Hardness Value
Hardness, Vickers 126126Converted from Brinell Hardness Value
Tensile Strength, Ultimate 405 MPa58700 psi
 30.0 MPa
@Temperature 371 °C		4350 psi
@Temperature 700 °F
 40.0 MPa
@Temperature 315 °C		5800 psi
@Temperature 599 °F
 70.0 MPa
@Temperature 260 °C		10200 psi
@Temperature 500 °F
 150 MPa
@Temperature 205 °C		21800 psi
@Temperature 401 °F
 285 MPa
@Temperature 150 °C		41300 psi
@Temperature 302 °F
 385 MPa
@Temperature 100 °C		55800 psi
@Temperature 212 °F
 405 MPa
@Temperature -30.0 °C		58700 psi
@Temperature -22.0 °F
 405 MPa
@Temperature 25.0 °C		58700 psi
@Temperature 77.0 °F
 420 MPa
@Temperature -80.0 °C		60900 psi
@Temperature -112 °F
 495 MPa
@Temperature -195 °C		71800 psi
@Temperature -319 °F
Tensile Strength, Yield 305 MPa44200 psi
 17.0 MPa
@Temperature 371 °C		2470 psi
@Temperature 700 °F
 20.0 MPa
@Temperature 315 °C		2900 psi
@Temperature 599 °F
 40.0 MPa
@Temperature 260 °C		5800 psi
@Temperature 500 °F
 110 MPa
@Temperature 205 °C		16000 psi
@Temperature 401 °F
 240 MPa
@Temperature 150 °C		34800 psi
@Temperature 302 °F
 290 MPa
@Temperature 100 °C		42100 psi
@Temperature 212 °F
 305 MPa
@Temperature -30.0 °C		44200 psi
@Temperature -22.0 °F
 305 MPa
@Temperature 25.0 °C		44200 psi
@Temperature 77.0 °F
 310 MPa
@Temperature -80.0 °C		45000 psi
@Temperature -112 °F
 360 MPa
@Temperature -195 °C		52200 psi
@Temperature -319 °F
Elongation at Break  13 %
@Temperature -30.0 °C		13 %
@Temperature -22.0 °F
 13 %
@Temperature 25.0 °C		13 %
@Temperature 77.0 °F
 14 %
@Temperature -80.0 °C		14 %
@Temperature -112 °F
 15 %
@Temperature -195 °C		15 %
@Temperature -319 °F
 15 %
@Temperature 100 °C		15 %
@Temperature 212 °F
 17 %
@Temperature 150 °C		17 %
@Temperature 302 °F
 30 %
@Temperature 205 °C		30 %
@Temperature 401 °F
 70 %
@Temperature 260 °C		70 %
@Temperature 500 °F
 85 %
@Temperature 315 °C		85 %
@Temperature 599 °F
 100 %
@Temperature 371 °C		100 %
@Temperature 700 °F
 13 %
@Thickness 1.60 mm		13 %
@Thickness 0.0630 in		In 5 cm
Creep Strength  14.0 MPa
@Temperature 315 °C,
Time 360000 sec		2030 psi
@Temperature 599 °F,
Time 100 hour		0.2% creep
 21.0 MPa
@Temperature 315 °C,
Time 360000 sec		3050 psi
@Temperature 599 °F,
Time 100 hour		0.5% creep
 21.0 MPa
@Temperature 315 °C,
Time 36000 sec		3050 psi
@Temperature 599 °F,
Time 10.0 hour		0.1% creep
 23.0 MPa
@Temperature 315 °C,
Time 360000 sec		3340 psi
@Temperature 599 °F,
Time 100 hour		1% creep
 34.0 MPa
@Temperature 315 °C,
Time 36000 sec		4930 psi
@Temperature 599 °F,
Time 10.0 hour		0.2% creep
 38.0 MPa
@Temperature 315 °C,
Time 3600 sec		5510 psi
@Temperature 599 °F,
Time 1.00 hour		0.1% creep
 41.0 MPa
@Temperature 315 °C,
Time 36000 sec		5950 psi
@Temperature 599 °F,
Time 10.0 hour		1% creep
 41.0 MPa
@Temperature 315 °C,
Time 3600 sec		5950 psi
@Temperature 599 °F,
Time 1.00 hour		0.2% creep
 41.0 MPa
@Temperature 315 °C,
Time 360 sec		5950 psi
@Temperature 599 °F,
Time 0.100 hour		0.1% creep
 45.0 MPa
@Temperature 315 °C,
Time 3600 sec		6530 psi
@Temperature 599 °F,
Time 1.00 hour		0.5% creep
 45.0 MPa
@Temperature 315 °C,
Time 360 sec		6530 psi
@Temperature 599 °F,
Time 0.100 hour		0.2% creep
 47.0 MPa
@Temperature 315 °C,
Time 36000 sec		6820 psi
@Temperature 599 °F,
Time 10.0 hour		0.5% creep
 48.0 MPa
@Temperature 315 °C,
Time 3600 sec		6960 psi
@Temperature 599 °F,
Time 1.00 hour		1% creep
 48.0 MPa
@Temperature 315 °C,
Time 360 sec		6960 psi
@Temperature 599 °F,
Time 0.100 hour		0.5% creep
 52.0 MPa
@Temperature 315 °C,
Time 360 sec		7540 psi
@Temperature 599 °F,
Time 0.100 hour		1% creep
 105 MPa
@Temperature 205 °C,
Time 3.60e+6 sec		15200 psi
@Temperature 401 °F,
Time 1000 hour		0.5% creep
 105 MPa
@Temperature 205 °C,
Time 3.60e+6 sec		15200 psi
@Temperature 401 °F,
Time 1000 hour		0.2% creep
 105 MPa
@Temperature 205 °C,
Time 360000 sec		15200 psi
@Temperature 401 °F,
Time 100 hour		0.1% creep
 110 MPa
@Temperature 205 °C,
Time 3.60e+6 sec		16000 psi
@Temperature 401 °F,
Time 1000 hour		1% creep
 140 MPa
@Temperature 205 °C,
Time 360000 sec		20300 psi
@Temperature 401 °F,
Time 100 hour		0.2% creep
 140 MPa
@Temperature 150 °C,
Time 3.60e+6 sec		20300 psi
@Temperature 302 °F,
Time 1000 hour		0.1% creep
 160 MPa
@Temperature 205 °C,
Time 36000 sec		23200 psi
@Temperature 401 °F,
Time 10.0 hour		0.1% creep
 170 MPa
@Temperature 205 °C,
Time 360000 sec		24700 psi
@Temperature 401 °F,
Time 100 hour		0.5% creep
 180 MPa
@Temperature 205 °C,
Time 360000 sec		26100 psi
@Temperature 401 °F,
Time 100 hour		1% creep
 220 MPa
@Temperature 205 °C,
Time 36000 sec		31900 psi
@Temperature 401 °F,
Time 10.0 hour		0.2% creep
 230 MPa
@Temperature 150 °C,
Time 360000 sec		33400 psi
@Temperature 302 °F,
Time 100 hour		0.1% creep
 235 MPa
@Temperature 205 °C,
Time 3600 sec		34100 psi
@Temperature 401 °F,
Time 1.00 hour		0.1% creep
 240 MPa
@Temperature 205 °C,
Time 36000 sec		34800 psi
@Temperature 401 °F,
Time 10.0 hour		0.5% creep
 250 MPa
@Temperature 205 °C,
Time 36000 sec		36300 psi
@Temperature 401 °F,
Time 10.0 hour		1% creep
 255 MPa
@Temperature 205 °C,
Time 360 sec		37000 psi
@Temperature 401 °F,
Time 0.100 hour		0.1% creep
 260 MPa
@Temperature 205 °C,
Time 3600 sec		37700 psi
@Temperature 401 °F,
Time 1.00 hour		0.2% creep
 270 MPa
@Temperature 150 °C,
Time 3.60e+6 sec		39200 psi
@Temperature 302 °F,
Time 1000 hour		0.2% creep
 275 MPa
@Temperature 205 °C,
Time 3600 sec		39900 psi
@Temperature 401 °F,
Time 1.00 hour		0.5% creep
 275 MPa
@Temperature 205 °C,
Time 360 sec		39900 psi
@Temperature 401 °F,
Time 0.100 hour		0.2% creep
 275 MPa
@Temperature 150 °C,
Time 36000 sec		39900 psi
@Temperature 302 °F,
Time 10.0 hour		0.1% creep
 285 MPa
@Temperature 150 °C,
Time 3600 sec		41300 psi
@Temperature 302 °F,
Time 1.00 hour		0.1% creep
 290 MPa
@Temperature 150 °C,
Time 3.60e+6 sec		42100 psi
@Temperature 302 °F,
Time 1000 hour		1% creep
 290 MPa
@Temperature 150 °C,
Time 3.60e+6 sec		42100 psi
@Temperature 302 °F,
Time 1000 hour		0.5% creep
 290 MPa
@Temperature 205 °C,
Time 360 sec		42100 psi
@Temperature 401 °F,
Time 0.100 hour		0.5% creep
 290 MPa
@Temperature 150 °C,
Time 360 sec		42100 psi
@Temperature 302 °F,
Time 0.100 hour		0.1% creep
 295 MPa
@Temperature 150 °C,
Time 360000 sec		42800 psi
@Temperature 302 °F,
Time 100 hour		0.2% creep
 305 MPa
@Temperature 205 °C,
Time 3600 sec		44200 psi
@Temperature 401 °F,
Time 1.00 hour		1% creep
 305 MPa
@Temperature 150 °C,
Time 36000 sec		44200 psi
@Temperature 302 °F,
Time 10.0 hour		0.2% creep
 310 MPa
@Temperature 150 °C,
Time 360000 sec		45000 psi
@Temperature 302 °F,
Time 100 hour		0.5% creep
 310 MPa
@Temperature 150 °C,
Time 3600 sec		45000 psi
@Temperature 302 °F,
Time 1.00 hour		0.2% creep
 315 MPa
@Temperature 205 °C,
Time 360 sec		45700 psi
@Temperature 401 °F,
Time 0.100 hour		1% creep
 315 MPa
@Temperature 150 °C,
Time 36000 sec		45700 psi
@Temperature 302 °F,
Time 10.0 hour		0.5% creep
 315 MPa
@Temperature 150 °C,
Time 360 sec		45700 psi
@Temperature 302 °F,
Time 0.100 hour		0.2% creep
 325 MPa
@Temperature 150 °C,
Time 360000 sec		47100 psi
@Temperature 302 °F,
Time 100 hour		1% creep
 325 MPa
@Temperature 150 °C,
Time 3600 sec		47100 psi
@Temperature 302 °F,
Time 1.00 hour		0.5% creep
 330 MPa
@Temperature 150 °C,
Time 360 sec		47900 psi
@Temperature 302 °F,
Time 0.100 hour		0.5% creep
 340 MPa
@Temperature 150 °C,
Time 36000 sec		49300 psi
@Temperature 302 °F,
Time 10.0 hour		1% creep
 345 MPa
@Temperature 150 °C,
Time 3600 sec		50000 psi
@Temperature 302 °F,
Time 1.00 hour		1% creep
 350 MPa
@Temperature 150 °C,
Time 360 sec		50800 psi
@Temperature 302 °F,
Time 0.100 hour		1% creep
Rupture Strength  27.0 MPa
@Temperature 315 °C,
Time 360000 sec		3920 psi
@Temperature 599 °F,
Time 100 hour
 45.0 MPa
@Temperature 315 °C,
Time 36000 sec		6530 psi
@Temperature 599 °F,
Time 10.0 hour
 48.0 MPa
@Temperature 315 °C,
Time 3600 sec		6960 psi
@Temperature 599 °F,
Time 1.00 hour
 55.0 MPa
@Temperature 315 °C,
Time 360 sec		7980 psi
@Temperature 599 °F,
Time 0.100 hour
 115 MPa
@Temperature 205 °C,
Time 3.60e+6 sec		16700 psi
@Temperature 401 °F,
Time 1000 hour
 185 MPa
@Temperature 205 °C,
Time 360000 sec		26800 psi
@Temperature 401 °F,
Time 100 hour
 255 MPa
@Temperature 205 °C,
Time 36000 sec		37000 psi
@Temperature 401 °F,
Time 10.0 hour
 290 MPa
@Temperature 150 °C,
Time 3.60e+6 sec		42100 psi
@Temperature 302 °F,
Time 1000 hour
 310 MPa
@Temperature 205 °C,
Time 3600 sec		45000 psi
@Temperature 401 °F,
Time 1.00 hour
 325 MPa
@Temperature 205 °C,
Time 360 sec		47100 psi
@Temperature 401 °F,
Time 0.100 hour
 330 MPa
@Temperature 150 °C,
Time 360000 sec		47900 psi
@Temperature 302 °F,
Time 100 hour
 350 MPa
@Temperature 150 °C,
Time 3600 sec		50800 psi
@Temperature 302 °F,
Time 1.00 hour
 350 MPa
@Temperature 150 °C,
Time 36000 sec		50800 psi
@Temperature 302 °F,
Time 10.0 hour
 360 MPa
@Temperature 150 °C,
Time 360 sec		52200 psi
@Temperature 302 °F,
Time 0.100 hour
 385 MPa
@Temperature 100 °C,
Time <=3.60e+6 sec		55800 psi
@Temperature 212 °F,
Time <=1000 hour
Modulus of Elasticity 74.4 GPa10800 ksiAverage of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poissons Ratio 0.330.33
Fatigue Strength  31.0 MPa
@# of Cycles 5.00e+8 ,
Temperature 315 °C		4500 psi
@# of Cycles 5.00e+8 ,
Temperature 599 °F		R.R. Moore type test
 34.0 MPa
@# of Cycles 1.00e+8 ,
Temperature 315 °C		4930 psi
@# of Cycles 1.00e+8 ,
Temperature 599 °F		R.R. Moore type test
 41.0 MPa
@# of Cycles 5.00e+8 ,
Temperature 260 °C		5950 psi
@# of Cycles 5.00e+8 ,
Temperature 500 °F		R.R. Moore type test
 48.0 MPa
@# of Cycles 1.00e+8 ,
Temperature 260 °C		6960 psi
@# of Cycles 1.00e+8 ,
Temperature 500 °F		R.R. Moore type test
 48.0 MPa
@# of Cycles 1.00e+7 ,
Temperature 315 °C		6960 psi
@# of Cycles 1.00e+7 ,
Temperature 599 °F		R.R. Moore type test
 59.0 MPa
@# of Cycles 5.00e+8 ,
Temperature 205 °C		8560 psi
@# of Cycles 5.00e+8 ,
Temperature 401 °F		R.R. Moore type test
 69.0 MPa
@# of Cycles 1.00e+8 ,
Temperature 205 °C		10000 psi
@# of Cycles 1.00e+8 ,
Temperature 401 °F		R.R. Moore type test
 69.0 MPa
@# of Cycles 1.00e+6 ,
Temperature 315 °C		10000 psi
@# of Cycles 1.00e+6 ,
Temperature 599 °F		R.R. Moore type test
 72.0 MPa
@# of Cycles 1.00e+7 ,
Temperature 260 °C		10400 psi
@# of Cycles 1.00e+7 ,
Temperature 500 °F		R.R. Moore type test
 90.0 MPa
@# of Cycles 100000 ,
Temperature 315 °C		13100 psi
@# of Cycles 100000 ,
Temperature 599 °F		R.R. Moore type test
 100 MPa
@# of Cycles 5.00e+8 ,
Temperature 150 °C		14500 psi
@# of Cycles 5.00e+8 ,
Temperature 302 °F		R.R. Moore type test
 105 MPa
@# of Cycles 1.00e+8 ,
Temperature 150 °C		15200 psi
@# of Cycles 1.00e+8 ,
Temperature 302 °F		R.R. Moore type test
 105 MPa
@# of Cycles 1.00e+7 ,
Temperature 205 °C		15200 psi
@# of Cycles 1.00e+7 ,
Temperature 401 °F		R.R. Moore type test
 105 MPa
@# of Cycles 1.00e+6 ,
Temperature 260 °C		15200 psi
@# of Cycles 1.00e+6 ,
Temperature 500 °F		R.R. Moore type test
 125 MPa
@# of Cycles 5.00e+8 ,
Temperature 23.0 °C		18100 psi
@# of Cycles 5.00e+8 ,
Temperature 73.4 °F		R.R. Moore type test
 130 MPa
@# of Cycles 1.00e+7 ,
Temperature 150 °C		18900 psi
@# of Cycles 1.00e+7 ,
Temperature 302 °F		R.R. Moore type test
 135 MPa
@# of Cycles 1.00e+8 ,
Temperature 23.0 °C		19600 psi
@# of Cycles 1.00e+8 ,
Temperature 73.4 °F		R.R. Moore type test
 145 MPa
@# of Cycles 100000 ,
Temperature 260 °C		21000 psi
@# of Cycles 100000 ,
Temperature 500 °F		R.R. Moore type test
 150 MPa
@# of Cycles 1.00e+6 ,
Temperature 205 °C		21800 psi
@# of Cycles 1.00e+6 ,
Temperature 401 °F		R.R. Moore type test
 170 MPa
@# of Cycles 1.00e+7 ,
Temperature 23.0 °C		24700 psi
@# of Cycles 1.00e+7 ,
Temperature 73.4 °F		R.R. Moore type test
 170 MPa
@# of Cycles 1.00e+6 ,
Temperature 150 °C		24700 psi
@# of Cycles 1.00e+6 ,
Temperature 302 °F		R.R. Moore type test
 215 MPa
@# of Cycles 1.00e+6 ,
Temperature 23.0 °C		31200 psi
@# of Cycles 1.00e+6 ,
Temperature 73.4 °F		R.R. Moore type test
 270 MPa
@# of Cycles 100000 ,
Temperature 23.0 °C		39200 psi
@# of Cycles 100000 ,
Temperature 73.4 °F		R.R. Moore type test
 125 MPa
@# of Cycles 5.00e+8 		18100 psi
@# of Cycles 5.00e+8
Shear Modulus 27.5 GPa3990 ksi
Shear Strength 240 MPa34800 psiCalculated value.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000450 ohm-cm0.00000450 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  20.7 µm/m-°C
@Temperature -50.0 - 20.0 °C		11.5 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
 22.4 µm/m-°C
@Temperature 20.0 - 100 °C		12.4 µin/in-°F
@Temperature 68.0 - 212 °F
 23.3 µm/m-°C
@Temperature 20.0 - 200 °C		12.9 µin/in-°F
@Temperature 68.0 - 392 °F
 24.2 µm/m-°C
@Temperature 20.0 - 300 °C		13.4 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.880 J/g-°C0.210 BTU/lb-°FEstimated from trends in similar Al alloys.
Thermal Conductivity 148 W/m-K1030 BTU-in/hr-ft²-°F
Melting Point 502 - 638 °C935 - 1180 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus 502 °C935 °FAA; Typical
Liquidus 638 °C1180 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Solution Temperature 510 °C950 °F
Aging Temperature 171 °C340 °Ffor 10 hr at temperature
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 88.8 - 93.6 %88.8 - 93.6 %As remainder
Chromium, Cr <= 0.10 %<= 0.10 %
Copper, Cu 3.5 - 4.5 %3.5 - 4.5 %
Iron, Fe <= 1.0 %<= 1.0 %
Magnesium, Mg 1.2 - 1.8 %1.2 - 1.8 %
Manganese, Mn <= 0.20 %<= 0.20 %
Nickel, Ni 1.7 - 2.3 %1.7 - 2.3 %
Other, each <= 0.05 %<= 0.05 %
Other, total <= 0.15 %<= 0.15 %
Silicon, Si <= 0.90 %<= 0.90 %
Zinc, Zn <= 0.25 %<= 0.25 %

References for this datasheet.

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MA2218T61a / 170638

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