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C11000 Copper vs. C87500 Brass

Both C11000 copper and C87500 brass are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C11000 copper and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.5 to 50
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 220 to 410
460
Tensile Strength: Yield (Proof), MPa 69 to 390
190

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1070
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 390
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 91
67
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 640
160
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8 to 13
16
Strength to Weight: Bending, points 9.0 to 14
16
Thermal Diffusivity, mm2/s 110
8.3
Thermal Shock Resistance, points 8.0 to 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 99.9 to 100
79 to 85
Lead (Pb), % 0
0 to 0.5
Silicon (Si), % 0
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5