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1200 Aluminum vs. 4045 Aluminum

Both 1200 aluminum and 4045 aluminum are aluminum alloys. They have a moderately high 90% 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 1200 aluminum and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 1.1 to 28
2.3
Fatigue Strength, MPa 25 to 69
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 54 to 100
69
Tensile Strength: Ultimate (UTS), MPa 85 to 180
120
Tensile Strength: Yield (Proof), MPa 28 to 160
64

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 650
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
170
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
45
Electrical Conductivity: Equal Weight (Specific), % IACS 190
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.2
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0 to 19
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 180
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 8.7 to 19
13
Strength to Weight: Bending, points 16 to 26
21
Thermal Diffusivity, mm2/s 92
74
Thermal Shock Resistance, points 3.8 to 8.1
5.7

Alloy Composition

Aluminum (Al), % 99 to 100
87.4 to 91
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 1.0
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 1.0
9.0 to 11
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15