S15500 Stainless Steel vs. AISI 403 Stainless Steel
Both S15500 stainless steel and AISI 403 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is S15500 stainless steel and the bottom bar is AISI 403 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 430 | |
| 190 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 6.8 to 16 | |
| 16 to 25 |
| Fatigue Strength, MPa | 350 to 650 | |
| 200 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Reduction in Area, % | 17 to 40 | |
| 47 to 50 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Shear Strength, MPa | 540 to 870 | |
| 340 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1490 | |
| 530 to 780 |
| Tensile Strength: Yield (Proof), MPa | 590 to 1310 | |
| 280 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 740 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1450 |
| Melting Onset (Solidus), °C | 1380 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 28 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 6.5 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.9 |
| Embodied Energy, MJ/kg | 39 | |
| 27 |
| Embodied Water, L/kg | 130 | |
| 99 |
Common Calculations
| PREN (Pitting Resistance) | 15 | |
| 12 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 120 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 890 to 4460 | |
| 210 to 840 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 53 | |
| 19 to 28 |
| Strength to Weight: Bending, points | 26 to 37 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 7.6 |
| Thermal Shock Resistance, points | 30 to 50 | |
| 20 to 29 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.15 |
| Chromium (Cr), % | 14 to 15.5 | |
| 11.5 to 13 |
| Copper (Cu), % | 2.5 to 4.5 | |
| 0 |
| Iron (Fe), % | 71.9 to 79.9 | |
| 84.7 to 88.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 to 0.6 |
| 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 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |