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C38000 Brass vs. 5657 Aluminum

C38000 brass belongs to the copper alloys classification, while 5657 aluminum belongs to the aluminum alloys. There are 27 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 C38000 brass and the bottom bar is 5657 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 17
6.6 to 15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
26
Shear Strength, MPa 230
92 to 110
Tensile Strength: Ultimate (UTS), MPa 380
150 to 200
Tensile Strength: Yield (Proof), MPa 120
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 800
660
Melting Onset (Solidus), °C 760
640
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 21
24

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.4
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
9.7 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 74
140 to 200
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 13
15 to 20
Strength to Weight: Bending, points 14
23 to 28
Thermal Diffusivity, mm2/s 37
84
Thermal Shock Resistance, points 13
6.7 to 8.6

Alloy Composition

Aluminum (Al), % 0 to 0.5
98.5 to 99.4
Copper (Cu), % 55 to 60
0 to 0.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.6 to 1.0
Manganese (Mn), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 35.9 to 43.5
0 to 0.050
Residuals, % 0
0 to 0.050