C27200 Brass vs. C71520 Copper-nickel
Both C27200 brass and C71520 copper-nickel are copper alloys. They have 64% of their average alloy composition in common.
For each property being compared, the top bar is C27200 brass and the bottom bar is C71520 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
140 |
Elongation at Break, % | 10 to 50 | |
10 to 45 |
Poisson's Ratio | 0.31 | |
0.33 |
Rockwell B Hardness | 53 to 86 | |
35 to 86 |
Shear Modulus, GPa | 40 | |
51 |
Shear Strength, MPa | 230 to 320 | |
250 to 340 |
Tensile Strength: Ultimate (UTS), MPa | 370 to 590 | |
370 to 570 |
Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
140 to 430 |
Thermal Properties
Latent Heat of Fusion, J/g | 170 | |
230 |
Maximum Temperature: Mechanical, °C | 130 | |
260 |
Melting Completion (Liquidus), °C | 920 | |
1170 |
Melting Onset (Solidus), °C | 870 | |
1120 |
Specific Heat Capacity, J/kg-K | 390 | |
400 |
Thermal Conductivity, W/m-K | 120 | |
32 |
Thermal Expansion, µm/m-K | 20 | |
15 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 28 | |
5.7 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
5.8 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 24 | |
40 |
Density, g/cm3 | 8.1 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
5.0 |
Embodied Energy, MJ/kg | 45 | |
73 |
Embodied Water, L/kg | 320 | |
280 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 270 | |
54 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 810 | |
67 to 680 |
Stiffness to Weight: Axial, points | 7.2 | |
8.6 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 13 to 20 | |
12 to 18 |
Strength to Weight: Bending, points | 14 to 19 | |
13 to 17 |
Thermal Diffusivity, mm2/s | 37 | |
8.9 |
Thermal Shock Resistance, points | 12 to 20 | |
12 to 19 |
Alloy Composition
Carbon (C), % | 0 | |
0 to 0.050 |
Copper (Cu), % | 62 to 65 | |
65 to 71.6 |
Iron (Fe), % | 0 to 0.070 | |
0.4 to 1.0 |
Lead (Pb), % | 0 to 0.070 | |
0 to 0.020 |
Manganese (Mn), % | 0 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
28 to 33 |
Phosphorus (P), % | 0 | |
0 to 0.2 |
Sulfur (S), % | 0 | |
0 to 0.020 |
Zinc (Zn), % | 34.6 to 38 | |
0 to 0.5 |
Residuals, % | 0 | |
0 to 0.5 |