EN 1.7335 Steel vs. AISI 317 Stainless Steel
Both EN 1.7335 steel and AISI 317 stainless steel are iron alloys. They have 65% 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 1.7335 steel and the bottom bar is AISI 317 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 160 | |
| 170 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 21 to 22 | |
| 35 to 55 |
| Fatigue Strength, MPa | 200 to 220 | |
| 250 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Shear Strength, MPa | 310 to 330 | |
| 420 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 520 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 280 to 310 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 590 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1400 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 44 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.8 | |
| 21 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 4.3 |
| Embodied Energy, MJ/kg | 21 | |
| 59 |
| Embodied Water, L/kg | 52 | |
| 160 |
Common Calculations
| PREN (Pitting Resistance) | 2.7 | |
| 31 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 to 97 | |
| 210 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 260 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 18 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 4.1 |
| Thermal Shock Resistance, points | 15 | |
| 12 to 15 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.18 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.7 to 1.2 | |
| 18 to 20 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 96.4 to 98.4 | |
| 58 to 68 |
| Manganese (Mn), % | 0.4 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0.4 to 0.6 | |
| 3.0 to 4.0 |
| Nickel (Ni), % | 0 | |
| 11 to 15 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.030 |