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3203 Aluminum vs. C42200 Brass

3203 aluminum belongs to the aluminum alloys classification, while C42200 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 3203 aluminum and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.5 to 29
2.0 to 46
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 72 to 120
210 to 350
Tensile Strength: Ultimate (UTS), MPa 110 to 200
300 to 610
Tensile Strength: Yield (Proof), MPa 39 to 190
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
1040
Melting Onset (Solidus), °C 620
1020
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
31
Electrical Conductivity: Equal Weight (Specific), % IACS 140
32

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
49 to 1460
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 20
9.5 to 19
Strength to Weight: Bending, points 19 to 28
11 to 18
Thermal Diffusivity, mm2/s 70
39
Thermal Shock Resistance, points 4.9 to 8.8
10 to 21

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Copper (Cu), % 0 to 0.050
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 1.5
0
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
0.8 to 1.4
Zinc (Zn), % 0 to 0.1
8.7 to 13.2
Residuals, % 0
0 to 0.5