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7010-T74 Aluminum vs. 7175-T74 Aluminum

Both 7010-T74 aluminum and 7175-T74 aluminum are aluminum alloys. Both are furnished in the T74 temper. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7010-T74 aluminum and the bottom bar is 7175-T74 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.3
5.9
Fatigue Strength, MPa 180
160
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 320
290
Tensile Strength: Ultimate (UTS), MPa 540
520
Tensile Strength: Yield (Proof), MPa 460
460

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 480
480
Specific Heat Capacity, J/kg-K 860
870
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
99

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
29
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
1540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 50
48
Strength to Weight: Bending, points 49
48
Thermal Diffusivity, mm2/s 58
53
Thermal Shock Resistance, points 24
23

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
88 to 91.4
Chromium (Cr), % 0 to 0.050
0.18 to 0.28
Copper (Cu), % 1.5 to 2.0
1.2 to 2.0
Iron (Fe), % 0 to 0.15
0 to 0.2
Magnesium (Mg), % 2.1 to 2.6
2.1 to 2.9
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.12
0 to 0.15
Titanium (Ti), % 0 to 0.060
0 to 0.1
Zinc (Zn), % 5.7 to 6.7
5.1 to 6.1
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.15