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C81500 Copper vs. C85800 Brass

Both C81500 copper and C85800 brass are copper alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
15
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
380
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1080
870
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
84
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
20
Electrical Conductivity: Equal Weight (Specific), % IACS 83
22

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
48
Resilience: Unit (Modulus of Resilience), kJ/m3 330
210
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 12
15
Thermal Diffusivity, mm2/s 91
27
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
57 to 69
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.020
0 to 1.5
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0 to 0.25
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.1
0 to 1.5
Zinc (Zn), % 0 to 0.1
31 to 41
Residuals, % 0 to 0.5
0 to 1.3