S17700 Stainless Steel vs. S45000 Stainless Steel
Both S17700 stainless steel and S45000 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is S17700 stainless steel and the bottom bar is S45000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 430 | |
| 280 to 410 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 1.0 to 23 | |
| 6.8 to 14 |
| Fatigue Strength, MPa | 290 to 560 | |
| 330 to 650 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Rockwell C Hardness | 41 to 46 | |
| 28 to 44 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Shear Strength, MPa | 740 to 940 | |
| 590 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 980 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1210 | |
| 580 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 840 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 17 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 40 | |
| 39 |
| Embodied Water, L/kg | 150 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 17 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 210 | |
| 94 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3750 | |
| 850 to 4400 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 35 to 50 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 4.5 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 33 to 47 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0 to 0.050 |
| Chromium (Cr), % | 16 to 18 | |
| 14 to 16 |
| Copper (Cu), % | 0 | |
| 1.3 to 1.8 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 72.1 to 79.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 1.0 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 5.0 to 7.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |