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4115 Aluminum vs. C36200 Brass

4115 aluminum belongs to the aluminum alloys classification, while C36200 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 4115 aluminum and the bottom bar is C36200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 1.1 to 11
20 to 53
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 71 to 130
210 to 240
Tensile Strength: Ultimate (UTS), MPa 120 to 220
340 to 420
Tensile Strength: Yield (Proof), MPa 39 to 190
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 590
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.1
2.6
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 10
74 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 270
89 to 630
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 12 to 23
11 to 14
Strength to Weight: Bending, points 20 to 30
13 to 15
Thermal Diffusivity, mm2/s 66
37
Thermal Shock Resistance, points 5.2 to 9.9
11 to 14

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
0
Copper (Cu), % 0.1 to 0.5
60 to 63
Iron (Fe), % 0 to 0.7
0 to 0.15
Lead (Pb), % 0
3.5 to 4.5
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Silicon (Si), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.2
32.4 to 36.5
Residuals, % 0 to 0.15
0