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C84500 Brass vs. 238.0 Aluminum

C84500 brass belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 28 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 C84500 brass and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
76
Elongation at Break, % 28
1.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
28
Tensile Strength: Ultimate (UTS), MPa 240
210
Tensile Strength: Yield (Proof), MPa 97
170

Thermal Properties

Latent Heat of Fusion, J/g 180
430
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 980
600
Melting Onset (Solidus), °C 840
510
Specific Heat Capacity, J/kg-K 360
840
Thermal Conductivity, W/m-K 72
100
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
25
Electrical Conductivity: Equal Weight (Specific), % IACS 17
67

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.7
3.4
Embodied Carbon, kg CO2/kg material 2.9
7.4
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 340
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 45
180
Stiffness to Weight: Axial, points 6.6
12
Stiffness to Weight: Bending, points 18
42
Strength to Weight: Axial, points 7.7
17
Strength to Weight: Bending, points 9.8
23
Thermal Diffusivity, mm2/s 23
37
Thermal Shock Resistance, points 8.6
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
81.9 to 84.9
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 77 to 79
9.5 to 10.5
Iron (Fe), % 0 to 0.4
1.0 to 1.5
Lead (Pb), % 6.0 to 7.5
0
Magnesium (Mg), % 0
0 to 0.25
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
3.6 to 4.4
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
1.0 to 1.5
Residuals, % 0 to 0.7
0