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C18100 Copper vs. C85900 Brass

Both C18100 copper and C85900 brass are copper alloys. They have 60% 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 C18100 copper and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 8.3
30
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 510
460
Tensile Strength: Yield (Proof), MPa 460
190

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1080
830
Melting Onset (Solidus), °C 1020
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
89
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
25
Electrical Conductivity: Equal Weight (Specific), % IACS 81
28

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 43
49
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
110
Resilience: Unit (Modulus of Resilience), kJ/m3 900
170
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 94
29
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.7 to 99.49
58 to 62
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
31 to 41
Zirconium (Zr), % 0.080 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.7