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C72200 Copper-nickel vs. C34500 Brass

Both C72200 copper-nickel and C34500 brass are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is C34500 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
340 to 430

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1180
910
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
24
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 59
45
Embodied Water, L/kg 300
320

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
12 to 15
Strength to Weight: Bending, points 12 to 17
13 to 16
Thermal Diffusivity, mm2/s 9.6
37
Thermal Shock Resistance, points 12 to 20
11 to 14

Alloy Composition

Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
62 to 65
Iron (Fe), % 0.5 to 1.0
0 to 0.15
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 15 to 18
0
Zinc (Zn), % 0 to 1.0
32 to 36.5
Residuals, % 0
0 to 0.4

Comparable Variants