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C72150 Copper-nickel vs. C23000 Brass

Both C72150 copper-nickel and C23000 brass are copper alloys. They have 55% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
2.9 to 47
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 55
42
Shear Strength, MPa 320
220 to 340
Tensile Strength: Ultimate (UTS), MPa 490
280 to 590
Tensile Strength: Yield (Proof), MPa 210
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 600
170
Melting Completion (Liquidus), °C 1210
1030
Melting Onset (Solidus), °C 1250
990
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
160
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
37
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
39

Otherwise Unclassified Properties

Base Metal Price, % relative 45
28
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 6.1
2.6
Embodied Energy, MJ/kg 88
43
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
31 to 1040
Stiffness to Weight: Axial, points 9.1
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
8.9 to 19
Strength to Weight: Bending, points 15
11 to 18
Thermal Diffusivity, mm2/s 6.0
48
Thermal Shock Resistance, points 18
9.4 to 20

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
84 to 86
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
13.7 to 16
Residuals, % 0 to 0.5
0 to 0.2