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1200 Aluminum vs. C44400 Brass

1200 aluminum belongs to the aluminum alloys classification, while C44400 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 1200 aluminum and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 85 to 180
350
Tensile Strength: Yield (Proof), MPa 28 to 160
120

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 660
940
Melting Onset (Solidus), °C 650
900
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
25
Electrical Conductivity: Equal Weight (Specific), % IACS 190
27

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 180
65
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 8.7 to 19
12
Strength to Weight: Bending, points 16 to 26
13
Thermal Diffusivity, mm2/s 92
35
Thermal Shock Resistance, points 3.8 to 8.1
12

Alloy Composition

Aluminum (Al), % 99 to 100
0
Antimony (Sb), % 0
0.020 to 0.1
Copper (Cu), % 0 to 0.050
70 to 73
Iron (Fe), % 0 to 1.0
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
25.2 to 29.1
Residuals, % 0
0 to 0.4