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C42200 Brass vs. 2025 Aluminum

C42200 brass belongs to the copper alloys classification, while 2025 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C42200 brass and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 2.0 to 46
15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Shear Strength, MPa 210 to 350
240
Tensile Strength: Ultimate (UTS), MPa 300 to 610
400
Tensile Strength: Yield (Proof), MPa 100 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 200
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 1020
520
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
40
Electrical Conductivity: Equal Weight (Specific), % IACS 32
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.6
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 320
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
55
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
450
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 9.5 to 19
37
Strength to Weight: Bending, points 11 to 18
40
Thermal Diffusivity, mm2/s 39
58
Thermal Shock Resistance, points 10 to 21
18

Alloy Composition

Aluminum (Al), % 0
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 86 to 89
3.9 to 5.0
Iron (Fe), % 0 to 0.050
0 to 1.0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
0.5 to 1.2
Tin (Sn), % 0.8 to 1.4
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 8.7 to 13.2
0 to 0.25
Residuals, % 0
0 to 0.15