S15500 Stainless Steel vs. EN 1.4303 Stainless Steel
Both S15500 stainless steel and EN 1.4303 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 (2, in this case) are not shown.
For each property being compared, the top bar is S15500 stainless steel and the bottom bar is EN 1.4303 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 430 | |
| 190 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 6.8 to 16 | |
| 13 to 49 |
| Fatigue Strength, MPa | 350 to 650 | |
| 220 to 320 |
| Impact Strength: V-Notched Charpy, J | 7.8 to 53 | |
| 91 to 98 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 77 |
| Shear Strength, MPa | 540 to 870 | |
| 420 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1490 | |
| 590 to 900 |
| Tensile Strength: Yield (Proof), MPa | 590 to 1310 | |
| 230 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 940 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1420 |
| Melting Onset (Solidus), °C | 1380 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 17 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 39 | |
| 46 |
| Embodied Water, L/kg | 130 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 15 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 120 | |
| 110 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 890 to 4460 | |
| 140 to 800 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 53 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 26 to 37 | |
| 20 to 26 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 4.0 |
| Thermal Shock Resistance, points | 30 to 50 | |
| 13 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.060 |
| Chromium (Cr), % | 14 to 15.5 | |
| 17 to 19 |
| Copper (Cu), % | 2.5 to 4.5 | |
| 0 |
| Iron (Fe), % | 71.9 to 79.9 | |
| 64.8 to 72 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 11 to 13 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |