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C49300 Brass vs. 204.0 Aluminum

C49300 brass belongs to the copper alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 28 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 C49300 brass and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 4.5 to 20
5.7 to 7.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 430 to 520
230 to 340
Tensile Strength: Yield (Proof), MPa 210 to 410
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 880
650
Melting Onset (Solidus), °C 840
580
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 88
120
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 17
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 50
150
Embodied Water, L/kg 370
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
220 to 350
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 15 to 18
21 to 31
Strength to Weight: Bending, points 16 to 18
28 to 36
Thermal Diffusivity, mm2/s 29
46
Thermal Shock Resistance, points 14 to 18
12 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.5
93.4 to 95.5
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Copper (Cu), % 58 to 62
4.2 to 5.0
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 0.030
0 to 0.1
Nickel (Ni), % 0 to 1.5
0 to 0.050
Phosphorus (P), % 0 to 0.2
0
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Tin (Sn), % 1.0 to 1.8
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 30.6 to 40.5
0 to 0.1
Residuals, % 0
0 to 0.15