C68000 Brass vs. AWS BNi-4
C68000 brass belongs to the copper alloys classification, while AWS BNi-4 belongs to the nickel alloys. There are 20 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 C68000 brass and the bottom bar is AWS BNi-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 180 |
| Poisson's Ratio | 0.3 | |
| 0.31 |
| Shear Modulus, GPa | 40 | |
| 67 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 430 |
Thermal Properties
| Brazing Temperature, °C | 880 to 980 | |
| 1010 to 1180 |
| Latent Heat of Fusion, J/g | 170 | |
| 340 |
| Melting Completion (Liquidus), °C | 880 | |
| 1070 |
| Melting Onset (Solidus), °C | 870 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Expansion, µm/m-K | 21 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 60 |
| Density, g/cm3 | 8.0 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 10 |
| Embodied Energy, MJ/kg | 48 | |
| 140 |
| Embodied Water, L/kg | 330 | |
| 220 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 12 |
| Stiffness to Weight: Bending, points | 20 | |
| 22 |
| Strength to Weight: Axial, points | 14 | |
| 14 |
| Strength to Weight: Bending, points | 15 | |
| 15 |
| Thermal Shock Resistance, points | 13 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 to 0.050 |
| Boron (B), % | 0 | |
| 1.5 to 2.2 |
| Carbon (C), % | 0 | |
| 0 to 0.060 |
| Cobalt (Co), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 56 to 60 | |
| 0 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 to 1.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 91.4 to 95.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 3.0 to 4.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |