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C37100 Brass vs. 6065 Aluminum

C37100 brass belongs to the copper alloys classification, while 6065 aluminum belongs to the aluminum alloys. There are 29 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 C37100 brass and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 8.0 to 40
4.5 to 11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 260 to 300
190 to 230
Tensile Strength: Ultimate (UTS), MPa 370 to 520
310 to 400
Tensile Strength: Yield (Proof), MPa 150 to 390
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
43
Electrical Conductivity: Equal Weight (Specific), % IACS 30
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.0
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.4
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
540 to 1040
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
49
Strength to Weight: Axial, points 13 to 18
31 to 40
Strength to Weight: Bending, points 14 to 18
36 to 43
Thermal Diffusivity, mm2/s 39
67
Thermal Shock Resistance, points 12 to 17
14 to 18

Alloy Composition

Aluminum (Al), % 0
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 58 to 62
0.15 to 0.4
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0.6 to 1.2
0 to 0.050
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 0
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 36.3 to 41.4
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15