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7204 Aluminum vs. 242.0 Aluminum

Both 7204 aluminum and 242.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
73
Elongation at Break, % 11 to 13
0.5 to 1.5
Fatigue Strength, MPa 110 to 130
55 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 130 to 220
150 to 240
Tensile Strength: Ultimate (UTS), MPa 220 to 380
180 to 290
Tensile Strength: Yield (Proof), MPa 120 to 310
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 520
530
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 150
130 to 170
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 120
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
110 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
45
Strength to Weight: Axial, points 21 to 36
16 to 26
Strength to Weight: Bending, points 28 to 40
23 to 32
Thermal Diffusivity, mm2/s 58
50 to 62
Thermal Shock Resistance, points 9.4 to 16
8.0 to 13

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
88.4 to 93.6
Chromium (Cr), % 0 to 0.3
0 to 0.25
Copper (Cu), % 0 to 0.2
3.5 to 4.5
Iron (Fe), % 0 to 0.35
0 to 1.0
Magnesium (Mg), % 1.0 to 2.0
1.2 to 1.8
Manganese (Mn), % 0.2 to 0.7
0 to 0.35
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.3
0 to 0.7
Titanium (Ti), % 0 to 0.2
0 to 0.25
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.35
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants