MakeItFrom.com
Menu (ESC)

2618A Aluminum vs. 3203 Aluminum

Both 2618A aluminum and 3203 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 2618A aluminum and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 4.5
4.5 to 29
Fatigue Strength, MPa 120
46 to 92
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
72 to 120
Tensile Strength: Ultimate (UTS), MPa 440
110 to 200
Tensile Strength: Yield (Proof), MPa 410
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 670
650
Melting Onset (Solidus), °C 560
620
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
43
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.4
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
11 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 41
11 to 20
Strength to Weight: Bending, points 44
19 to 28
Thermal Diffusivity, mm2/s 59
70
Thermal Shock Resistance, points 19
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
96.9 to 99
Copper (Cu), % 1.8 to 2.7
0 to 0.050
Iron (Fe), % 0.9 to 1.4
0 to 0.7
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
1.0 to 1.5
Nickel (Ni), % 0.8 to 1.4
0
Silicon (Si), % 0.15 to 0.25
0 to 0.6
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 0.1
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15