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EN AC-51300 Aluminum vs. 7175 Aluminum

Both EN AC-51300 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-51300 aluminum and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 3.7
3.8 to 5.9
Fatigue Strength, MPa 78
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 190
520 to 570
Tensile Strength: Yield (Proof), MPa 110
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 600
480
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
33
Electrical Conductivity: Equal Weight (Specific), % IACS 100
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 9.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 87
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 20
48 to 52
Strength to Weight: Bending, points 28
48 to 51
Thermal Diffusivity, mm2/s 45
53
Thermal Shock Resistance, points 8.6
23 to 25

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.2 to 2.0
Iron (Fe), % 0 to 0.55
0 to 0.2
Magnesium (Mg), % 4.5 to 6.5
2.1 to 2.9
Manganese (Mn), % 0 to 0.45
0 to 0.1
Silicon (Si), % 0 to 0.55
0 to 0.15
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.1
5.1 to 6.1
Residuals, % 0 to 0.15
0 to 0.15