MakeItFrom.com
Menu (ESC)

2218 Aluminum vs. 204.0 Aluminum

Both 2218 aluminum and 204.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 2218 aluminum and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 6.8 to 10
5.7 to 7.8
Fatigue Strength, MPa 110
63 to 77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 330 to 430
230 to 340
Tensile Strength: Yield (Proof), MPa 260 to 310
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 510
580
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
220 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 30 to 39
21 to 31
Strength to Weight: Bending, points 34 to 41
28 to 36
Thermal Diffusivity, mm2/s 52
46
Thermal Shock Resistance, points 15 to 19
12 to 18

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
93.4 to 95.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
4.2 to 5.0
Iron (Fe), % 0 to 1.0
0 to 0.35
Magnesium (Mg), % 1.2 to 1.8
0.15 to 0.35
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 1.7 to 2.3
0 to 0.050
Silicon (Si), % 0 to 0.9
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.15