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C72200 Copper-nickel vs. C84000 Brass

Both C72200 copper-nickel and C84000 brass are copper alloys. They have 83% 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 C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 48
42
Tensile Strength: Ultimate (UTS), MPa 350 to 580
250

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1180
1040
Melting Onset (Solidus), °C 1120
940
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 34
72
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
16
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
30
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 3.9
3.0
Embodied Energy, MJ/kg 59
49
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
8.2
Strength to Weight: Bending, points 12 to 17
10
Thermal Diffusivity, mm2/s 9.6
22
Thermal Shock Resistance, points 12 to 20
9.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
82 to 89
Iron (Fe), % 0.5 to 1.0
0 to 0.4
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0 to 1.0
0 to 0.010
Nickel (Ni), % 15 to 18
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0 to 1.0
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7