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C81500 Copper vs. CC764S Brass

Both C81500 copper and CC764S brass are copper alloys. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is C81500 copper and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
160
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
15
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
680
Tensile Strength: Yield (Proof), MPa 280
290

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
850
Melting Onset (Solidus), °C 1080
810
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
94
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
32
Electrical Conductivity: Equal Weight (Specific), % IACS 83
36

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
49
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
80
Resilience: Unit (Modulus of Resilience), kJ/m3 330
390
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
24
Strength to Weight: Bending, points 12
22
Thermal Diffusivity, mm2/s 91
30
Thermal Shock Resistance, points 12
22

Alloy Composition


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Aluminum (Al), % 0 to 0.1
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
52 to 66
Iron (Fe), % 0 to 0.1
0.5 to 2.5
Lead (Pb), % 0 to 0.020
0 to 0.3
Manganese (Mn), % 0
0.3 to 4.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.1
Tin (Sn), % 0 to 0.1
0 to 0.3
Zinc (Zn), % 0 to 0.1
20.7 to 50.2
Residuals, % 0 to 0.5
0