EN 1.4594 Stainless Steel vs. AISI 302 Stainless Steel
Both EN 1.4594 stainless steel and AISI 302 stainless steel are iron alloys. They have a moderately high 92% 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 1.4594 stainless steel and the bottom bar is AISI 302 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 11 to 17 | |
| 4.5 to 46 |
| Fatigue Strength, MPa | 490 to 620 | |
| 210 to 520 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 620 to 700 | |
| 400 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 1020 to 1170 | |
| 580 to 1430 |
| Tensile Strength: Yield (Proof), MPa | 810 to 1140 | |
| 230 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 710 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1420 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 16 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 15 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 3.0 |
| Embodied Energy, MJ/kg | 45 | |
| 42 |
| Embodied Water, L/kg | 130 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 59 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1660 to 3320 | |
| 140 to 3070 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 36 to 41 | |
| 21 to 51 |
| Strength to Weight: Bending, points | 29 to 31 | |
| 20 to 36 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 4.4 |
| Thermal Shock Resistance, points | 34 to 39 | |
| 12 to 31 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.15 |
| Chromium (Cr), % | 13 to 15 | |
| 17 to 19 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 0 |
| Iron (Fe), % | 72.6 to 79.5 | |
| 67.9 to 75 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 1.2 to 2.0 | |
| 0 |
| Nickel (Ni), % | 5.0 to 6.0 | |
| 8.0 to 10 |
| Niobium (Nb), % | 0.15 to 0.6 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |