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C72150 Copper-nickel vs. C66900 Brass

Both C72150 copper-nickel and C66900 brass are copper alloys. They have 55% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Elongation at Break, % 29
1.1 to 26
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 55
45
Shear Strength, MPa 320
290 to 440
Tensile Strength: Ultimate (UTS), MPa 490
460 to 770
Tensile Strength: Yield (Proof), MPa 210
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 600
150
Melting Completion (Liquidus), °C 1210
860
Melting Onset (Solidus), °C 1250
850
Specific Heat Capacity, J/kg-K 410
400
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 88
46
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
460 to 2450
Stiffness to Weight: Axial, points 9.1
8.1
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
15 to 26
Strength to Weight: Bending, points 15
16 to 23
Thermal Shock Resistance, points 18
14 to 23

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
62.5 to 64.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
11.5 to 12.5
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
22.5 to 26
Residuals, % 0 to 0.5
0 to 0.2