EN 1.4378 Stainless Steel vs. EN 1.7386 Steel
Both EN 1.4378 stainless steel and EN 1.7386 steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is EN 1.7386 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 170 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 34 | |
| 18 to 21 |
| Fatigue Strength, MPa | 340 to 550 | |
| 170 to 290 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Shear Strength, MPa | 510 to 680 | |
| 340 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
| 550 to 670 |
| Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
| 240 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 600 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1450 |
| Melting Onset (Solidus), °C | 1350 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 6.5 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.0 |
| Embodied Energy, MJ/kg | 39 | |
| 28 |
| Embodied Water, L/kg | 150 | |
| 88 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 12 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
| 92 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 2370 | |
| 150 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 19 to 22 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 15 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.080 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 17 to 19 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 61.2 to 69 | |
| 86.8 to 90.5 |
| Manganese (Mn), % | 11.5 to 14.5 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 2.3 to 3.7 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.25 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |