S31730 Stainless Steel vs. C37100 Brass
S31730 stainless steel belongs to the iron alloys classification, while C37100 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is S31730 stainless steel and the bottom bar is C37100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 40 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 77 | |
| 40 |
| Shear Strength, MPa | 370 | |
| 260 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 370 to 520 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 150 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 990 | |
| 120 |
| Melting Completion (Liquidus), °C | 1430 | |
| 900 |
| Melting Onset (Solidus), °C | 1390 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Expansion, µm/m-K | 16 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 23 |
| Density, g/cm3 | 8.0 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 63 | |
| 45 |
| Embodied Water, L/kg | 180 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
| 38 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 99 | |
| 110 to 750 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 18 | |
| 14 to 18 |
| Thermal Shock Resistance, points | 12 | |
| 12 to 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 58 to 62 |
| Iron (Fe), % | 52.4 to 61 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 | |
| 0.6 to 1.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 15 to 16.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.045 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 36.3 to 41.4 |
| Residuals, % | 0 | |
| 0 to 0.4 |