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C27200 Brass vs. 6061 Aluminum

C27200 brass belongs to the copper alloys classification, while 6061 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C27200 brass and the bottom bar is 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 10 to 50
3.4 to 20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 230 to 320
84 to 210
Tensile Strength: Ultimate (UTS), MPa 370 to 590
130 to 410
Tensile Strength: Yield (Proof), MPa 150 to 410
76 to 370

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 920
650
Melting Onset (Solidus), °C 870
580
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
43
Electrical Conductivity: Equal Weight (Specific), % IACS 31
140

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
42 to 1000
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 13 to 20
13 to 42
Strength to Weight: Bending, points 14 to 19
21 to 45
Thermal Diffusivity, mm2/s 37
68
Thermal Shock Resistance, points 12 to 20
5.7 to 18

Alloy Composition

Aluminum (Al), % 0
95.9 to 98.6
Chromium (Cr), % 0
0.040 to 0.35
Copper (Cu), % 62 to 65
0.15 to 0.4
Iron (Fe), % 0 to 0.070
0 to 0.7
Lead (Pb), % 0 to 0.070
0
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 0.15
Zinc (Zn), % 34.6 to 38
0 to 0.25
Residuals, % 0
0 to 0.15