C35300 Brass vs. C72200 Copper-nickel
Both C35300 brass and C72200 copper-nickel are copper alloys. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is C35300 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 | 0.31 | |
0.33 |
Rockwell B Hardness | 53 to 91 | |
71 to 86 |
Rockwell Superficial 30T Hardness | 52 to 78 | |
64 to 75 |
Shear Modulus, GPa | 39 | |
48 |
Tensile Strength: Ultimate (UTS), MPa | 340 to 650 | |
350 to 580 |
Thermal Properties
Latent Heat of Fusion, J/g | 170 | |
220 |
Maximum Temperature: Mechanical, °C | 120 | |
230 |
Melting Completion (Liquidus), °C | 910 | |
1180 |
Melting Onset (Solidus), °C | 890 | |
1120 |
Specific Heat Capacity, J/kg-K | 380 | |
400 |
Thermal Conductivity, W/m-K | 120 | |
34 |
Thermal Expansion, µm/m-K | 21 | |
16 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 26 | |
6.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
6.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 23 | |
36 |
Density, g/cm3 | 8.1 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
3.9 |
Embodied Energy, MJ/kg | 45 | |
59 |
Embodied Water, L/kg | 320 | |
300 |
Common Calculations
Stiffness to Weight: Axial, points | 7.1 | |
8.0 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 12 to 22 | |
11 to 18 |
Strength to Weight: Bending, points | 13 to 21 | |
12 to 17 |
Thermal Diffusivity, mm2/s | 38 | |
9.6 |
Thermal Shock Resistance, points | 11 to 22 | |
12 to 20 |
Alloy Composition
Chromium (Cr), % | 0 | |
0.3 to 0.7 |
Copper (Cu), % | 60 to 63 | |
78.1 to 84.2 |
Iron (Fe), % | 0 to 0.1 | |
0.5 to 1.0 |
Lead (Pb), % | 1.5 to 2.5 | |
0 to 0.050 |
Manganese (Mn), % | 0 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
15 to 18 |
Zinc (Zn), % | 33.9 to 38.5 | |
0 to 1.0 |
Residuals, % | 0 | |
0 to 0.2 |