Overview of materials for 7000 Series Aluminum Alloy

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Overview of materials for 7000 Series Aluminum Alloy
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 7000 Series Aluminum Alloy
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "7000 Series Aluminum Alloy". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Metric	English	Comments

Density	2.72 - 2.89 g/cc	0.0983 - 0.104 lb/in³	Average value: 2.81 g/cc Grade Count:149

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	20.0 - 210	20.0 - 210	Average value: 135 Grade Count:69
Hardness, Knoop	80.0 - 232	80.0 - 232	Average value: 171 Grade Count:40
Hardness, Rockwell A	39.1 - 59.0	39.1 - 59.0	Average value: 51.3 Grade Count:37
Hardness, Rockwell B	50.0 - 96.0	50.0 - 96.0	Average value: 82.6 Grade Count:37
Hardness, Vickers	68.0 - 217	68.0 - 217	Average value: 157 Grade Count:40
Tensile Strength, Ultimate	70.0 - 750 MPa	10200 - 109000 psi	Average value: 444 MPa Grade Count:86
Tensile Strength, Yield	69.0 - 730 MPa	10000 - 106000 psi	Average value: 371 MPa Grade Count:83
Elongation at Break	1.00 - 25.0 %	1.00 - 25.0 %	Average value: 12.0 % Grade Count:84
Creep Strength	434 - 538 MPa	62900 - 78000 psi	Average value: 477 MPa Grade Count:3
Rupture Strength	469 - 552 MPa	68000 - 80100 psi	Average value: 513 MPa Grade Count:3
Modulus of Elasticity	67.0 - 73.0 GPa	9720 - 10600 ksi	Average value: 71.1 GPa Grade Count:70
Compressive Yield Strength	372 - 669 MPa	54000 - 97000 psi	Average value: 491 MPa Grade Count:13
Compressive Modulus	70.0 - 72.4 GPa	10200 - 10500 ksi	Average value: 70.5 GPa Grade Count:5
Bearing Yield Strength	538 - 910 MPa	78000 - 132000 psi	Average value: 729 MPa Grade Count:5
Poissons Ratio	0.330	0.330	Average value: 0.330 Grade Count:43
Fatigue Strength	140 - 425 MPa	20300 - 61600 psi	Average value: 181 MPa Grade Count:17
Fracture Toughness	16.5 - 150 MPa-m½	15.0 - 137 ksi-in½	Average value: 40.2 MPa-m½ Grade Count:24
Machinability	70.0 - 90.0 %	70.0 - 90.0 %	Average value: 76.7 % Grade Count:12
Shear Modulus	25.0 - 27.6 GPa	3630 - 4000 ksi	Average value: 26.8 GPa Grade Count:43
Shear Strength	50.0 - 400 MPa	7250 - 58000 psi	Average value: 270 MPa Grade Count:56

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000290 - 0.00000590 ohm-cm	0.00000290 - 0.00000590 ohm-cm	Average value: 0.00000455 ohm-cm Grade Count:68

Thermal Properties	Metric	English	Comments
CTE, linear	21.4 - 25.5 µm/m-°C	11.9 - 14.2 µin/in-°F	Average value: 23.7 µm/m-°C Grade Count:73
Specific Heat Capacity	0.856 - 0.960 J/g-°C	0.205 - 0.229 BTU/lb-°F	Average value: 0.882 J/g-°C Grade Count:47
Thermal Conductivity	115 - 222 W/m-K	798 - 1540 BTU-in/hr-ft²-°F	Average value: 152 W/m-K Grade Count:72
Melting Point	476 - 657 °C	889 - 1220 °F	Average value: 575 °C Grade Count:52
Solidus	476 - 641 °C	889 - 1190 °F	Average value: 503 °C Grade Count:48
Liquidus	627 - 657 °C	1160 - 1220 °F	Average value: 636 °C Grade Count:52

Processing Properties	Metric	English	Comments
Annealing Temperature	343 - 454 °C	650 - 850 °F	Average value: 396 °C Grade Count:43
Solution Temperature	399 - 516 °C	750 - 960 °F	Average value: 480 °C Grade Count:40
Aging Temperature	107 - 177 °C	225 - 350 °F	Average value: 140 °C Grade Count:29

Component Elements Properties	Metric	English	Comments
Aluminum, Al	82.6 - 98.3 %	82.6 - 98.3 %	Average value: 89.9 % Grade Count:150
Chromium, Cr	0.0400 - 0.350 %	0.0400 - 0.350 %	Average value: 0.142 % Grade Count:131
Copper, Cu	0.0400 - 2.80 %	0.0400 - 2.80 %	Average value: 1.25 % Grade Count:150
Gallium, Ga	0.0300 %	0.0300 %	Average value: 0.0300 % Grade Count:7
Iron, Fe	0.0800 - 1.40 %	0.0800 - 1.40 %	Average value: 0.277 % Grade Count:145
Magnesium, Mg	0.100 - 3.70 %	0.100 - 3.70 %	Average value: 2.06 % Grade Count:150
Manganese, Mn	0.0200 - 0.800 %	0.0200 - 0.800 %	Average value: 0.178 % Grade Count:145
Nickel, Ni	0.0300 - 0.160 %	0.0300 - 0.160 %	Average value: 0.0829 % Grade Count:7
Oxygen, O	0.0500 - 0.500 %	0.0500 - 0.500 %	Average value: 0.267 % Grade Count:3
Si+Fe	0.700 %	0.700 %	Average value: 0.700 % Grade Count:4
Silicon, Si	0.0600 - 0.500 %	0.0600 - 0.500 %	Average value: 0.213 % Grade Count:145
Titanium, Ti	0.0100 - 0.200 %	0.0100 - 0.200 %	Average value: 0.0936 % Grade Count:127
Vanadium, V	0.0500 - 0.100 %	0.0500 - 0.100 %	Average value: 0.0556 % Grade Count:9
Zinc, Zn	0.800 - 12.0 %	0.800 - 12.0 %	Average value: 6.07 % Grade Count:150
Zirconium, Zr	0.0300 - 0.500 %	0.0300 - 0.500 %	Average value: 0.134 % Grade Count:79
Zr+Ti	0.0800 - 0.400 %	0.0800 - 0.400 %	Average value: 0.209 % Grade Count:11

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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