C47940 Brass vs. Type 4 Magnetic Alloy
C47940 brass belongs to the copper alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C47940 brass and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 14 to 34 | |
| 2.0 to 40 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 250 to 310 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 620 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 270 to 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 900 |
| Melting Completion (Liquidus), °C | 850 | |
| 1420 |
| Melting Onset (Solidus), °C | 800 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 440 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 60 |
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 10 |
| Embodied Energy, MJ/kg | 47 | |
| 140 |
| Embodied Water, L/kg | 330 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 22 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 190 to 2840 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 12 |
| Stiffness to Weight: Bending, points | 19 | |
| 22 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 21 to 37 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 63 to 66 | |
| 0 to 0.3 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 9.5 to 17.5 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 79 to 82 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |