EN 1.4301 Stainless Steel vs. EN 1.4378 Stainless Steel
Both EN 1.4301 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is EN 1.4378 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 46 | |
| 14 to 34 |
| Fatigue Strength, MPa | 200 to 330 | |
| 340 to 550 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 430 to 550 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
| 760 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
| 430 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 910 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1390 |
| Melting Onset (Solidus), °C | 1380 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 12 |
| Density, g/cm3 | 7.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 43 | |
| 39 |
| Embodied Water, L/kg | 140 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 220 | |
| 150 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 820 | |
| 470 to 2370 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 31 |
| Thermal Shock Resistance, points | 14 to 20 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.080 |
| Chromium (Cr), % | 17.5 to 19.5 | |
| 17 to 19 |
| Iron (Fe), % | 66.8 to 74.5 | |
| 61.2 to 69 |
| Manganese (Mn), % | 0 to 2.0 | |
| 11.5 to 14.5 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 2.3 to 3.7 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |