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C72150 Copper-nickel vs. C68300 Brass

Both C72150 copper-nickel and C68300 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 (4, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
100
Elongation at Break, % 29
15
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
40
Shear Strength, MPa 320
260
Tensile Strength: Ultimate (UTS), MPa 490
430
Tensile Strength: Yield (Proof), MPa 210
260

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
120
Melting Completion (Liquidus), °C 1210
900
Melting Onset (Solidus), °C 1250
890
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
20

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 88
46
Embodied Water, L/kg 270
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 150
330
Stiffness to Weight: Axial, points 9.1
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
15
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 6.0
38
Thermal Shock Resistance, points 18
14

Alloy Composition


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Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
59 to 63
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0.3 to 1.0
Tin (Sn), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.2
34.2 to 40.4
Residuals, % 0 to 0.5
0 to 0.5