S45500 Stainless Steel vs. S17700 Stainless Steel
Both S45500 stainless steel and S17700 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 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 S45500 stainless steel and the bottom bar is S17700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 500 | |
| 180 to 430 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 3.4 to 11 | |
| 1.0 to 23 |
| Fatigue Strength, MPa | 570 to 890 | |
| 290 to 560 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Rockwell C Hardness | 32 to 54 | |
| 41 to 46 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Shear Strength, MPa | 790 to 1090 | |
| 740 to 940 |
| Tensile Strength: Ultimate (UTS), MPa | 1370 to 1850 | |
| 1180 to 1650 |
| Tensile Strength: Yield (Proof), MPa | 1240 to 1700 | |
| 430 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 620 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 890 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 57 | |
| 40 |
| Embodied Water, L/kg | 120 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 17 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 190 | |
| 15 to 210 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 48 to 65 | |
| 42 to 59 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 32 to 40 |
| Thermal Shock Resistance, points | 48 to 64 | |
| 39 to 54 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.75 to 1.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.090 |
| Chromium (Cr), % | 11 to 12.5 | |
| 16 to 18 |
| Copper (Cu), % | 1.5 to 2.5 | |
| 0 |
| Iron (Fe), % | 71.5 to 79.2 | |
| 70.5 to 76.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 7.5 to 9.5 | |
| 6.5 to 7.8 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0.8 to 1.4 | |
| 0 |