S15500 Stainless Steel vs. S45000 Stainless Steel
Both S15500 stainless steel and S45000 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 35 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 S15500 stainless steel and the bottom bar is S45000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 430 | |
| 280 to 410 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 6.8 to 16 | |
| 6.8 to 14 |
| Fatigue Strength, MPa | 350 to 650 | |
| 330 to 650 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Reduction in Area, % | 17 to 40 | |
| 22 to 50 |
| Rockwell C Hardness | 27 to 46 | |
| 28 to 44 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Shear Strength, MPa | 540 to 870 | |
| 590 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1490 | |
| 980 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 590 to 1310 | |
| 580 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 840 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1440 |
| Melting Onset (Solidus), °C | 1380 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 17 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 39 | |
| 39 |
| Embodied Water, L/kg | 130 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 15 | |
| 17 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 120 | |
| 94 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 890 to 4460 | |
| 850 to 4400 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 53 | |
| 35 to 50 |
| Strength to Weight: Bending, points | 26 to 37 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 4.5 |
| Thermal Shock Resistance, points | 30 to 50 | |
| 33 to 47 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.050 |
| Chromium (Cr), % | 14 to 15.5 | |
| 14 to 16 |
| Copper (Cu), % | 2.5 to 4.5 | |
| 1.3 to 1.8 |
| Iron (Fe), % | 71.9 to 79.9 | |
| 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), % | 3.5 to 5.5 | |
| 5.0 to 7.0 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 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 |