C47940 Brass vs. EN 1.4945 Stainless Steel
C47940 brass belongs to the copper alloys classification, while EN 1.4945 stainless steel belongs to the iron alloys. There are 27 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 EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 14 to 34 | |
| 19 to 34 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Shear Strength, MPa | 250 to 310 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 640 to 740 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 290 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 920 |
| Melting Completion (Liquidus), °C | 850 | |
| 1490 |
| Melting Onset (Solidus), °C | 800 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 14 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 30 |
| Density, g/cm3 | 8.2 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 47 | |
| 73 |
| Embodied Water, L/kg | 330 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 130 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 210 to 760 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 36 | |
| 3.7 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.040 to 0.1 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Copper (Cu), % | 63 to 66 | |
| 0 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 57.9 to 65.7 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 15.5 to 17.5 |
| Niobium (Nb), % | 0 | |
| 0.4 to 1.2 |
| Nitrogen (N), % | 0 | |
| 0.060 to 0.14 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.5 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |