EN 1.4310 Stainless Steel vs. EN 1.4903 Stainless Steel
Both EN 1.4310 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 EN 1.4310 stainless steel and the bottom bar is EN 1.4903 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 45 | |
| 20 to 21 |
| Fatigue Strength, MPa | 240 to 330 | |
| 320 to 330 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Shear Strength, MPa | 510 to 550 | |
| 420 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 900 | |
| 670 to 680 |
| Tensile Strength: Yield (Proof), MPa | 260 to 570 | |
| 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 650 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 26 |
| Thermal Expansion, µm/m-K | 18 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 4.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 7.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.6 |
| Embodied Energy, MJ/kg | 42 | |
| 36 |
| Embodied Water, L/kg | 140 | |
| 88 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 260 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 830 | |
| 650 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 32 | |
| 24 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 7.0 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 23 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 16 to 19 | |
| 8.0 to 9.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 66.4 to 78 | |
| 87.1 to 90.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 to 0.8 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 6.0 to 9.5 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.18 to 0.25 |