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4147 Aluminum vs. 7475 Aluminum

Both 4147 aluminum and 7475 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. 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 4147 aluminum and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 3.3
10 to 12
Fatigue Strength, MPa 42
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 63
320 to 350
Tensile Strength: Ultimate (UTS), MPa 110
530 to 590
Tensile Strength: Yield (Proof), MPa 59
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 570
380
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 560
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
140 to 160
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 120
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.5
3.0
Embodied Carbon, kg CO2/kg material 7.7
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1050
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 24
1390 to 1920
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
46
Strength to Weight: Axial, points 12
49 to 55
Strength to Weight: Bending, points 20
48 to 52
Thermal Diffusivity, mm2/s 58
53 to 63
Thermal Shock Resistance, points 5.2
23 to 26

Alloy Composition

Aluminum (Al), % 85 to 88.9
88.6 to 91.6
Beryllium (Be), % 0 to 0.00030
0
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0 to 0.25
1.2 to 1.9
Iron (Fe), % 0 to 0.8
0 to 0.12
Magnesium (Mg), % 0.1 to 0.5
1.9 to 2.6
Manganese (Mn), % 0 to 0.1
0 to 0.060
Silicon (Si), % 11 to 13
0 to 0.1
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.2
5.1 to 6.2
Residuals, % 0
0 to 0.15