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C81400 Copper vs. CC761S Brass

Both C81400 copper and CC761S brass are copper alloys. They have 81% 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 C81400 copper and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
8.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 370
540
Tensile Strength: Yield (Proof), MPa 250
340

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
960
Melting Onset (Solidus), °C 1070
910
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 260
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
40
Electrical Conductivity: Equal Weight (Specific), % IACS 61
43

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
41
Resilience: Unit (Modulus of Resilience), kJ/m3 260
530
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
18
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 75
8.0
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
78 to 83
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19
Residuals, % 0 to 0.5
0