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5056 Aluminum vs. 3203 Aluminum

Both 5056 aluminum and 3203 aluminum are aluminum alloys. They have a moderately high 95% 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 5056 aluminum and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 4.9 to 31
4.5 to 29
Fatigue Strength, MPa 140 to 200
46 to 92
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
72 to 120
Tensile Strength: Ultimate (UTS), MPa 290 to 460
110 to 200
Tensile Strength: Yield (Proof), MPa 150 to 410
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
43
Electrical Conductivity: Equal Weight (Specific), % IACS 99
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 9.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
11 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 30 to 48
11 to 20
Strength to Weight: Bending, points 36 to 50
19 to 28
Thermal Diffusivity, mm2/s 53
70
Thermal Shock Resistance, points 13 to 20
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 93 to 95.4
96.9 to 99
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
1.0 to 1.5
Silicon (Si), % 0 to 0.3
0 to 0.6
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants