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C11600 Copper vs. C87400 Brass

Both C11600 copper and C87400 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 C11600 copper and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.7 to 50
21
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 230 to 410
390
Tensile Strength: Yield (Proof), MPa 77 to 410
160

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1030
820
Specific Heat Capacity, J/kg-K 390
400
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
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 35
27
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 91
65
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 710
120
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.2 to 13
13
Strength to Weight: Bending, points 9.4 to 14
14
Thermal Diffusivity, mm2/s 110
8.3
Thermal Shock Resistance, points 8.2 to 15
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 99.78 to 99.915
79 to 85.5
Lead (Pb), % 0
0 to 1.0
Silicon (Si), % 0
2.5 to 4.0
Silver (Ag), % 0.085 to 0.12
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8