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7204 Aluminum vs. 6182 Aluminum

Both 7204 aluminum and 6182 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 11 to 13
6.8 to 13
Fatigue Strength, MPa 110 to 130
63 to 99
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 220
140 to 190
Tensile Strength: Ultimate (UTS), MPa 220 to 380
230 to 320
Tensile Strength: Yield (Proof), MPa 120 to 310
130 to 270

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
110 to 520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 21 to 36
23 to 32
Strength to Weight: Bending, points 28 to 40
30 to 38
Thermal Diffusivity, mm2/s 58
65
Thermal Shock Resistance, points 9.4 to 16
10 to 14

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
95 to 97.9
Chromium (Cr), % 0 to 0.3
0 to 0.25
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 1.0 to 2.0
0.7 to 1.2
Manganese (Mn), % 0.2 to 0.7
0.5 to 1.0
Silicon (Si), % 0 to 0.3
0.9 to 1.3
Titanium (Ti), % 0 to 0.2
0 to 0.1
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.2
Zirconium (Zr), % 0 to 0.25
0.050 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants