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358.0 Aluminum vs. 3203 Aluminum

Both 358.0 aluminum and 3203 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 358.0 aluminum and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 3.5 to 6.0
4.5 to 29
Fatigue Strength, MPa 100 to 110
46 to 92
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 320
72 to 120
Tensile Strength: Ultimate (UTS), MPa 350 to 370
110 to 200
Tensile Strength: Yield (Proof), MPa 290 to 320
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 520
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 560
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
43
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.0
Density, g/cm3 2.6
2.8
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1090
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 20
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 710
11 to 250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
50
Strength to Weight: Axial, points 37 to 39
11 to 20
Strength to Weight: Bending, points 42 to 44
19 to 28
Thermal Diffusivity, mm2/s 63
70
Thermal Shock Resistance, points 16 to 17
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 89.1 to 91.8
96.9 to 99
Beryllium (Be), % 0.1 to 0.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.2
1.0 to 1.5
Silicon (Si), % 7.6 to 8.6
0 to 0.6
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15