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C38000 Brass vs. Sintered 6061 Aluminum

C38000 brass belongs to the copper alloys classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 26 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 sintered 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 17
0.5 to 6.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
25
Tensile Strength: Ultimate (UTS), MPa 380
83 to 210
Tensile Strength: Yield (Proof), MPa 120
62 to 190

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 800
640
Melting Onset (Solidus), °C 760
610
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
200
Thermal Expansion, µm/m-K 21
23

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
8.3
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
0.68 to 7.0
Resilience: Unit (Modulus of Resilience), kJ/m3 74
28 to 280
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
51
Strength to Weight: Axial, points 13
8.6 to 21
Strength to Weight: Bending, points 14
16 to 29
Thermal Diffusivity, mm2/s 37
81
Thermal Shock Resistance, points 13
3.8 to 9.4

Alloy Composition

Aluminum (Al), % 0 to 0.5
96 to 99.4
Copper (Cu), % 55 to 60
0 to 0.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.4 to 1.2
Silicon (Si), % 0
0.2 to 0.8
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0
0 to 1.5