S17700 Stainless Steel vs. EN 1.4618 Stainless Steel
Both S17700 stainless steel and EN 1.4618 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is S17700 stainless steel and the bottom bar is EN 1.4618 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 430 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 1.0 to 23 | |
| 51 |
| Fatigue Strength, MPa | 290 to 560 | |
| 240 to 250 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 740 to 940 | |
| 480 to 500 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 680 to 700 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1210 | |
| 250 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 900 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1400 |
| Melting Onset (Solidus), °C | 1400 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 40 | |
| 39 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 210 | |
| 270 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3750 | |
| 160 to 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 15 to 16 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0 to 0.1 |
| Chromium (Cr), % | 16 to 18 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0 | |
| 1.0 to 2.5 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 62.7 to 72.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 5.5 to 9.5 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 4.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.070 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |