C44400 Brass vs. C70400 Copper-nickel
Both C44400 brass and C70400 copper-nickel are copper alloys. They have 72% of their average alloy composition in common.
For each property being compared, the top bar is C44400 brass and the bottom bar is C70400 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
120 |
Poisson's Ratio | 0.32 | |
0.34 |
Shear Modulus, GPa | 41 | |
45 |
Tensile Strength: Ultimate (UTS), MPa | 350 | |
300 to 310 |
Tensile Strength: Yield (Proof), MPa | 120 | |
95 to 230 |
Thermal Properties
Latent Heat of Fusion, J/g | 180 | |
210 |
Maximum Temperature: Mechanical, °C | 140 | |
210 |
Melting Completion (Liquidus), °C | 940 | |
1120 |
Melting Onset (Solidus), °C | 900 | |
1060 |
Specific Heat Capacity, J/kg-K | 380 | |
390 |
Thermal Conductivity, W/m-K | 110 | |
64 |
Thermal Expansion, µm/m-K | 20 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 25 | |
14 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 27 | |
14 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 26 | |
32 |
Density, g/cm3 | 8.3 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
3.0 |
Embodied Energy, MJ/kg | 46 | |
47 |
Embodied Water, L/kg | 330 | |
300 |
Common Calculations
Resilience: Unit (Modulus of Resilience), kJ/m3 | 65 | |
38 to 220 |
Stiffness to Weight: Axial, points | 7.2 | |
7.5 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 12 | |
9.3 to 9.8 |
Strength to Weight: Bending, points | 13 | |
11 to 12 |
Thermal Diffusivity, mm2/s | 35 | |
18 |
Thermal Shock Resistance, points | 12 | |
10 to 11 |
Alloy Composition
Antimony (Sb), % | 0.020 to 0.1 | |
0 |
Copper (Cu), % | 70 to 73 | |
89.8 to 93.6 |
Iron (Fe), % | 0 to 0.060 | |
1.3 to 1.7 |
Lead (Pb), % | 0 to 0.070 | |
0 to 0.050 |
Manganese (Mn), % | 0 | |
0.3 to 0.8 |
Nickel (Ni), % | 0 | |
4.8 to 6.2 |
Tin (Sn), % | 0.9 to 1.2 | |
0 |
Zinc (Zn), % | 25.2 to 29.1 | |
0 to 1.0 |
Residuals, % | 0 | |
0 to 0.5 |