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C49300 Brass vs. 4104 Aluminum

C49300 brass belongs to the copper alloys classification, while 4104 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C49300 brass and the bottom bar is 4104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 4.5 to 20
2.4
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 270 to 290
63
Tensile Strength: Ultimate (UTS), MPa 430 to 520
110
Tensile Strength: Yield (Proof), MPa 210 to 410
60

Thermal Properties

Latent Heat of Fusion, J/g 170
540
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 880
600
Melting Onset (Solidus), °C 840
560
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 88
130
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
33
Electrical Conductivity: Equal Weight (Specific), % IACS 17
120

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 50
150
Embodied Water, L/kg 370
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
25
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 15 to 18
12
Strength to Weight: Bending, points 16 to 18
20
Thermal Diffusivity, mm2/s 29
58
Thermal Shock Resistance, points 14 to 18
5.1

Alloy Composition

Aluminum (Al), % 0 to 0.5
85.8 to 90
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0.020 to 0.2
Copper (Cu), % 58 to 62
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.8
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 0.030
0 to 0.1
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.2
0
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
9.0 to 10.5
Tin (Sn), % 1.0 to 1.8
0
Zinc (Zn), % 30.6 to 40.5
0 to 0.2
Residuals, % 0
0 to 0.15