C66700 Brass vs. S17400 Stainless Steel
C66700 brass belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 29 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 C66700 brass and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 2.0 to 58 | |
| 11 to 21 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 75 |
| Shear Strength, MPa | 250 to 530 | |
| 570 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 910 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 580 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 850 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1440 |
| Melting Onset (Solidus), °C | 1050 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 97 | |
| 17 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 14 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 39 |
| Embodied Water, L/kg | 320 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 880 to 4060 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 32 to 49 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 27 to 35 |
| Thermal Diffusivity, mm2/s | 30 | |
| 4.5 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 30 to 46 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 68.5 to 71.5 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 0 to 0.1 | |
| 70.4 to 78.9 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |