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C81500 Copper vs. C85700 Brass

Both C81500 copper and C85700 brass are copper alloys. They have 61% 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 C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
310
Tensile Strength: Yield (Proof), MPa 280
110

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
940
Melting Onset (Solidus), °C 1080
910
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
84
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
22
Electrical Conductivity: Equal Weight (Specific), % IACS 83
25

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
41
Resilience: Unit (Modulus of Resilience), kJ/m3 330
59
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
11
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 91
27
Thermal Shock Resistance, points 12
10

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
58 to 64
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0 to 0.020
0.8 to 1.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0 to 0.15
0 to 0.050
Tin (Sn), % 0 to 0.1
0.5 to 1.5
Zinc (Zn), % 0 to 0.1
32 to 40
Residuals, % 0 to 0.5
0 to 1.3