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Sintered 6061 Aluminum vs. 7175 Aluminum

Both sintered 6061 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 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 sintered 6061 aluminum and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 0.5 to 6.0
3.8 to 5.9
Fatigue Strength, MPa 32 to 62
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 83 to 210
520 to 570
Tensile Strength: Yield (Proof), MPa 62 to 190
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 200
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
33
Electrical Conductivity: Equal Weight (Specific), % IACS 170
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.68 to 7.0
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 280
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 8.6 to 21
48 to 52
Strength to Weight: Bending, points 16 to 29
48 to 51
Thermal Diffusivity, mm2/s 81
53
Thermal Shock Resistance, points 3.8 to 9.4
23 to 25

Alloy Composition

Aluminum (Al), % 96 to 99.4
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.5
1.2 to 2.0
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 0.4 to 1.2
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0.2 to 0.8
0 to 0.15
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
5.1 to 6.1
Residuals, % 0
0 to 0.15

Comparable Variants