AWS ERNiCu-7 vs. C68300 Brass
AWS ERNiCu-7 belongs to the nickel alloys classification, while C68300 brass belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is C68300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 100 |
| Elongation at Break, % | 34 | |
| 15 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 61 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 180 |
| Melting Completion (Liquidus), °C | 1280 | |
| 900 |
| Melting Onset (Solidus), °C | 1240 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 390 |
| Thermal Conductivity, W/m-K | 20 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 23 |
| Density, g/cm3 | 8.7 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 120 | |
| 46 |
| Embodied Water, L/kg | 250 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 21 | |
| 20 |
| Strength to Weight: Axial, points | 18 | |
| 15 |
| Strength to Weight: Bending, points | 17 | |
| 16 |
| Thermal Diffusivity, mm2/s | 5.3 | |
| 38 |
| Thermal Shock Resistance, points | 19 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 0 to 1.3 | |
| 0 |
| Antimony (Sb), % | 0 | |
| 0.3 to 1.0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.010 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 18.3 to 36.5 | |
| 59 to 63 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 62 to 69 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 1.3 | |
| 0.3 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.050 to 0.2 |
| Titanium (Ti), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 34.2 to 40.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |