S17700 Stainless Steel vs. C34200 Brass
S17700 stainless steel belongs to the iron alloys classification, while C34200 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is S17700 stainless steel and the bottom bar is C34200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 1.0 to 23 | |
| 3.0 to 17 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Shear Strength, MPa | 740 to 940 | |
| 230 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 370 to 650 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1210 | |
| 150 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 120 |
| Melting Completion (Liquidus), °C | 1440 | |
| 910 |
| Melting Onset (Solidus), °C | 1400 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 15 | |
| 120 |
| Thermal Expansion, µm/m-K | 11 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 24 |
| Density, g/cm3 | 7.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 40 | |
| 45 |
| Embodied Water, L/kg | 150 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 210 | |
| 9.0 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3750 | |
| 110 to 870 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 13 to 22 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 37 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 12 to 22 |
Alloy Composition
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| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62 to 65 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 32 to 36.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |