EN 1.4123 Stainless Steel vs. EN 1.7386 Steel
Both EN 1.4123 stainless steel and EN 1.7386 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is EN 1.7386 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 250 | |
| 170 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 810 | |
| 550 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 840 | |
| 600 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 23 | |
| 26 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 6.5 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 2.0 |
| Embodied Energy, MJ/kg | 62 | |
| 28 |
| Embodied Water, L/kg | 120 | |
| 88 |
Common Calculations
| PREN (Pitting Resistance) | 24 | |
| 12 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 19 to 22 |
| Thermal Diffusivity, mm2/s | 6.3 | |
| 6.9 |
| Thermal Shock Resistance, points | 26 to 29 | |
| 15 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0.35 to 0.5 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 14 to 16.5 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 76.7 to 84.6 | |
| 86.8 to 90.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 1.0 to 2.5 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 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 |
| Vanadium (V), % | 0 to 1.5 | |
| 0 |