C68300 Brass vs. S44725 Stainless Steel
C68300 brass belongs to the copper alloys classification, while S44725 stainless steel belongs to the iron alloys. There are 28 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 C68300 brass and the bottom bar is S44725 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 15 | |
| 22 |
| Poisson's Ratio | 0.31 | |
| 0.27 |
| Rockwell B Hardness | 60 | |
| 84 |
| Shear Modulus, GPa | 40 | |
| 81 |
| Shear Strength, MPa | 260 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 1100 |
| Melting Completion (Liquidus), °C | 900 | |
| 1450 |
| Melting Onset (Solidus), °C | 890 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 17 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 15 |
| Density, g/cm3 | 8.0 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.1 |
| Embodied Energy, MJ/kg | 46 | |
| 44 |
| Embodied Water, L/kg | 340 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
| 240 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 15 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 15 | |
| 18 |
| Strength to Weight: Bending, points | 16 | |
| 18 |
| Thermal Diffusivity, mm2/s | 38 | |
| 4.6 |
| Thermal Shock Resistance, points | 14 | |
| 16 |
Alloy Composition
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| Antimony (Sb), % | 0.3 to 1.0 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 25 to 28.5 |
| Copper (Cu), % | 59 to 63 | |
| 0 |
| Iron (Fe), % | 0 | |
| 67.6 to 73.5 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Niobium (Nb), % | 0 | |
| 0 to 0.26 |
| Nitrogen (N), % | 0 | |
| 0 to 0.018 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.3 to 1.0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0.050 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.26 |
| Zinc (Zn), % | 34.2 to 40.4 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |