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C72200 Copper-nickel vs. C47940 Brass

Both C72200 copper-nickel and C47940 brass are copper alloys. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is C47940 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
380 to 520

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1180
850
Melting Onset (Solidus), °C 1120
800
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 34
110
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
13 to 17
Strength to Weight: Bending, points 12 to 17
14 to 17
Thermal Diffusivity, mm2/s 9.6
36
Thermal Shock Resistance, points 12 to 20
13 to 17

Alloy Composition

Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
63 to 66
Iron (Fe), % 0.5 to 1.0
0.1 to 1.0
Lead (Pb), % 0 to 0.050
1.0 to 2.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 15 to 18
0.1 to 0.5
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0 to 1.0
28.1 to 34.6
Residuals, % 0
0 to 0.4

Comparable Variants