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C32000 Brass vs. C72150 Copper-nickel

Both C32000 brass and C72150 copper-nickel 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 (1, in this case) are not shown.

For each property being compared, the top bar is C32000 brass and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 6.8 to 29
29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 41
55
Shear Strength, MPa 180 to 280
320
Tensile Strength: Ultimate (UTS), MPa 270 to 470
490
Tensile Strength: Yield (Proof), MPa 78 to 390
210

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
600
Melting Completion (Liquidus), °C 1020
1210
Melting Onset (Solidus), °C 990
1250
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 160
22
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 37
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
45
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
6.1
Embodied Energy, MJ/kg 42
88
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
120
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
150
Stiffness to Weight: Axial, points 7.1
9.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8 to 15
15
Strength to Weight: Bending, points 11 to 16
15
Thermal Diffusivity, mm2/s 47
6.0
Thermal Shock Resistance, points 9.5 to 16
18

Alloy Composition


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Carbon (C), % 0
0 to 0.1
Copper (Cu), % 83.5 to 86.5
52.5 to 57
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.5 to 2.2
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.25
43 to 46
Silicon (Si), % 0
0 to 0.5
Zinc (Zn), % 10.6 to 15
0 to 0.2
Residuals, % 0 to 0.4
0 to 0.5