S17400 Stainless Steel vs. C47940 Brass
S17400 stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is S17400 stainless steel and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 11 to 21 | |
| 14 to 34 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 75 | |
| 40 |
| Shear Strength, MPa | 570 to 830 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 130 |
| Melting Completion (Liquidus), °C | 1440 | |
| 850 |
| Melting Onset (Solidus), °C | 1400 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 17 | |
| 110 |
| Thermal Expansion, µm/m-K | 11 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 39 | |
| 47 |
| Embodied Water, L/kg | 130 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 36 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 13 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 63 to 66 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0.1 to 0.5 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 0 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |