EN 1.4307 Stainless Steel vs. EN 1.4371 Stainless Steel
Both EN 1.4307 stainless steel and EN 1.4371 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.4307 stainless steel and the bottom bar is EN 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 270 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 46 | |
| 45 to 51 |
| Fatigue Strength, MPa | 190 to 320 | |
| 290 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 410 to 550 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 900 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 200 to 570 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 880 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1410 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 12 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 43 | |
| 38 |
| Embodied Water, L/kg | 140 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 210 | |
| 270 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 810 | |
| 250 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 27 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.030 |
| Chromium (Cr), % | 17.5 to 19.5 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 66.8 to 74.5 | |
| 66.7 to 74.4 |
| Manganese (Mn), % | 0 to 2.0 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |