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C84500 Brass vs. C72200 Copper-nickel

Both C84500 brass and C72200 copper-nickel are copper alloys. They have 79% 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 C84500 brass and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
48
Tensile Strength: Ultimate (UTS), MPa 240
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 150
230
Melting Completion (Liquidus), °C 980
1180
Melting Onset (Solidus), °C 840
1120
Specific Heat Capacity, J/kg-K 360
400
Thermal Conductivity, W/m-K 72
34
Thermal Expansion, µm/m-K 19
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 340
300

Common Calculations

Stiffness to Weight: Axial, points 6.6
8.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
11 to 18
Strength to Weight: Bending, points 9.8
12 to 17
Thermal Diffusivity, mm2/s 23
9.6
Thermal Shock Resistance, points 8.6
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 77 to 79
78.1 to 84.2
Iron (Fe), % 0 to 0.4
0.5 to 1.0
Lead (Pb), % 6.0 to 7.5
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
15 to 18
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
0 to 1.0
Residuals, % 0
0 to 0.2