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C72150 Copper-nickel vs. C38000 Brass

Both C72150 copper-nickel and C38000 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 (3, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
100
Elongation at Break, % 29
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
39
Shear Strength, MPa 320
230
Tensile Strength: Ultimate (UTS), MPa 490
380
Tensile Strength: Yield (Proof), MPa 210
120

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 600
110
Melting Completion (Liquidus), °C 1210
800
Melting Onset (Solidus), °C 1250
760
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Base Metal Price, % relative 45
22
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
46
Embodied Water, L/kg 270
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
50
Resilience: Unit (Modulus of Resilience), kJ/m3 150
74
Stiffness to Weight: Axial, points 9.1
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 6.0
37
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
55 to 60
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.2
35.9 to 43.5
Residuals, % 0
0 to 0.5