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C38000 Brass vs. A356.0 Aluminum

C38000 brass belongs to the copper alloys classification, while A356.0 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C38000 brass and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 17
3.0 to 6.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 380
160 to 270
Tensile Strength: Yield (Proof), MPa 120
83 to 200

Thermal Properties

Latent Heat of Fusion, J/g 170
500
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 800
610
Melting Onset (Solidus), °C 760
570
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
4.8 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 74
49 to 300
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 13
17 to 29
Strength to Weight: Bending, points 14
25 to 36
Thermal Diffusivity, mm2/s 37
64
Thermal Shock Resistance, points 13
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.5
91.1 to 93.3
Copper (Cu), % 55 to 60
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
6.5 to 7.5
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 35.9 to 43.5
0 to 0.1
Residuals, % 0
0 to 0.15