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C71000 Copper-nickel vs. CC765S Brass

Both C71000 copper-nickel and CC765S brass are copper alloys. They have 63% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 49
42
Tensile Strength: Ultimate (UTS), MPa 320 to 560
540

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 240
140
Melting Completion (Liquidus), °C 1200
860
Melting Onset (Solidus), °C 1150
820
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 43
91
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
30
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
34

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 63
51
Embodied Water, L/kg 290
330

Common Calculations

Stiffness to Weight: Axial, points 8.2
7.6
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 18
19
Strength to Weight: Bending, points 12 to 17
18
Thermal Diffusivity, mm2/s 12
28
Thermal Shock Resistance, points 12 to 20
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 73.5 to 80.5
51 to 65
Iron (Fe), % 0.5 to 1.0
0.5 to 2.0
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 1.0
0.3 to 3.0
Nickel (Ni), % 19 to 23
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0 to 1.0
19.8 to 47.7
Residuals, % 0 to 0.5
0