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C72150 Copper-nickel vs. C27200 Brass

Both C72150 copper-nickel and C27200 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 (2, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
10 to 50
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
40
Shear Strength, MPa 320
230 to 320
Tensile Strength: Ultimate (UTS), MPa 490
370 to 590
Tensile Strength: Yield (Proof), MPa 210
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 600
130
Melting Completion (Liquidus), °C 1210
920
Melting Onset (Solidus), °C 1250
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
31

Otherwise Unclassified Properties

Base Metal Price, % relative 45
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
45
Embodied Water, L/kg 270
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110 to 810
Stiffness to Weight: Axial, points 9.1
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
13 to 20
Strength to Weight: Bending, points 15
14 to 19
Thermal Diffusivity, mm2/s 6.0
37
Thermal Shock Resistance, points 18
12 to 20

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
62 to 65
Iron (Fe), % 0 to 0.1
0 to 0.070
Lead (Pb), % 0 to 0.050
0 to 0.070
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
34.6 to 38
Residuals, % 0 to 0.5
0 to 0.3