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CC761S Brass vs. C72200 Copper-nickel

Both CC761S brass and C72200 copper-nickel are copper alloys. They have 82% 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 CC761S brass and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
48
Tensile Strength: Ultimate (UTS), MPa 540
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 960
1180
Melting Onset (Solidus), °C 910
1120
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 27
34
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
36
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 45
59
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 7.4
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
11 to 18
Strength to Weight: Bending, points 18
12 to 17
Thermal Diffusivity, mm2/s 8.0
9.6
Thermal Shock Resistance, points 19
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.050
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 78 to 83
78.1 to 84.2
Iron (Fe), % 0 to 0.6
0.5 to 1.0
Lead (Pb), % 0 to 0.8
0 to 0.050
Manganese (Mn), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 0 to 1.0
15 to 18
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 8.9 to 19
0 to 1.0
Residuals, % 0
0 to 0.2