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C72150 Copper-nickel vs. C42500 Brass

Both C72150 copper-nickel and C42500 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 (3, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
2.0 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 55
42
Shear Strength, MPa 320
220 to 360
Tensile Strength: Ultimate (UTS), MPa 490
310 to 630
Tensile Strength: Yield (Proof), MPa 210
120 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 600
180
Melting Completion (Liquidus), °C 1210
1030
Melting Onset (Solidus), °C 1250
1010
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
29

Otherwise Unclassified Properties

Base Metal Price, % relative 45
30
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 88
46
Embodied Water, L/kg 270
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
12 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
64 to 1570
Stiffness to Weight: Axial, points 9.1
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
9.9 to 20
Strength to Weight: Bending, points 15
12 to 19
Thermal Diffusivity, mm2/s 6.0
36
Thermal Shock Resistance, points 18
11 to 22

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
87 to 90
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
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.2
6.1 to 11.5
Residuals, % 0 to 0.5
0 to 0.5