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7204 Aluminum vs. 2036 Aluminum

Both 7204 aluminum and 2036 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is 2036 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 11 to 13
24
Fatigue Strength, MPa 110 to 130
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 220
210
Tensile Strength: Ultimate (UTS), MPa 220 to 380
340
Tensile Strength: Yield (Proof), MPa 120 to 310
200

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
41
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
70
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
48
Strength to Weight: Axial, points 21 to 36
33
Strength to Weight: Bending, points 28 to 40
38
Thermal Diffusivity, mm2/s 58
62
Thermal Shock Resistance, points 9.4 to 16
15

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
94.4 to 97.4
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.2
2.2 to 3.0
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 1.0 to 2.0
0.3 to 0.6
Manganese (Mn), % 0.2 to 0.7
0.1 to 0.4
Silicon (Si), % 0 to 0.3
0 to 0.5
Titanium (Ti), % 0 to 0.2
0 to 0.15
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.25
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15