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C72200 Copper-nickel vs. C46400 Brass

Both C72200 copper-nickel and C46400 brass are copper alloys. They have 61% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
100
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 350 to 580
400 to 500

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1180
900
Melting Onset (Solidus), °C 1120
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 34
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
29

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
14 to 17
Strength to Weight: Bending, points 12 to 17
15 to 17
Thermal Diffusivity, mm2/s 9.6
38
Thermal Shock Resistance, points 12 to 20
13 to 16

Alloy Composition

Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
59 to 62
Iron (Fe), % 0.5 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 15 to 18
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0 to 1.0
36.3 to 40.5
Residuals, % 0
0 to 0.4

Comparable Variants