MakeItFrom.com
Menu (ESC)

5042 Aluminum vs. 7475 Aluminum

Both 5042 aluminum and 7475 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 5042 aluminum and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.1 to 3.4
10 to 12
Fatigue Strength, MPa 97 to 120
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
320 to 350
Tensile Strength: Ultimate (UTS), MPa 340 to 360
530 to 590
Tensile Strength: Yield (Proof), MPa 270 to 310
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
140 to 160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
1390 to 1920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 35 to 37
49 to 55
Strength to Weight: Bending, points 40 to 42
48 to 52
Thermal Diffusivity, mm2/s 53
53 to 63
Thermal Shock Resistance, points 15 to 16
23 to 26

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
88.6 to 91.6
Chromium (Cr), % 0 to 0.1
0.18 to 0.25
Copper (Cu), % 0 to 0.15
1.2 to 1.9
Iron (Fe), % 0 to 0.35
0 to 0.12
Magnesium (Mg), % 3.0 to 4.0
1.9 to 2.6
Manganese (Mn), % 0.2 to 0.5
0 to 0.060
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.1
0 to 0.060
Zinc (Zn), % 0 to 0.25
5.1 to 6.2
Residuals, % 0
0 to 0.15