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C81500 Copper vs. C87400 Brass

Both C81500 copper and C87400 brass are copper alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C81500 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, % 17
21
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
390
Tensile Strength: Yield (Proof), MPa 280
160

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1080
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 83
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
65
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 12
14
Thermal Diffusivity, mm2/s 91
8.3
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.8
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
79 to 85.5
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.020
0 to 1.0
Silicon (Si), % 0 to 0.15
2.5 to 4.0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
12 to 16
Residuals, % 0 to 0.5
0 to 0.8