C99750 Brass vs. S31277 Stainless Steel
C99750 brass belongs to the copper alloys classification, while S31277 stainless steel belongs to the iron alloys. There are 24 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 C99750 brass and the bottom bar is S31277 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 210 |
| Elongation at Break, % | 20 to 30 | |
| 45 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 48 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 860 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 1100 |
| Melting Completion (Liquidus), °C | 840 | |
| 1460 |
| Melting Onset (Solidus), °C | 820 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 460 |
| Thermal Expansion, µm/m-K | 20 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 36 |
| Density, g/cm3 | 8.1 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 6.7 |
| Embodied Energy, MJ/kg | 51 | |
| 90 |
| Embodied Water, L/kg | 310 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 320 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 410 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 29 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 25 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0.25 to 3.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.020 |
| Chromium (Cr), % | 0 | |
| 20.5 to 23 |
| Copper (Cu), % | 55 to 61 | |
| 0.5 to 1.5 |
| Iron (Fe), % | 0 to 1.0 | |
| 35.5 to 46.2 |
| Lead (Pb), % | 0.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 17 to 23 | |
| 0 to 3.0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 8.0 |
| Nickel (Ni), % | 0 to 5.0 | |
| 26 to 28 |
| Nitrogen (N), % | 0 | |
| 0.3 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 17 to 23 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |