EN 1.7386 Steel vs. EN 1.7380 Steel
Both EN 1.7386 steel and EN 1.7380 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7386 steel and the bottom bar is EN 1.7380 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 200 | |
| 160 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 to 21 | |
| 19 to 20 |
| Fatigue Strength, MPa | 170 to 290 | |
| 200 to 230 |
| Impact Strength: V-Notched Charpy, J | 38 | |
| 31 to 35 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 74 |
| Shear Strength, MPa | 340 to 410 | |
| 330 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 670 | |
| 540 to 550 |
| Tensile Strength: Yield (Proof), MPa | 240 to 440 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 600 | |
| 460 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1470 |
| Melting Onset (Solidus), °C | 1410 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 39 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 3.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 1.8 |
| Embodied Energy, MJ/kg | 28 | |
| 23 |
| Embodied Water, L/kg | 88 | |
| 59 |
Common Calculations
| PREN (Pitting Resistance) | 12 | |
| 5.6 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 to 110 | |
| 87 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 490 | |
| 230 to 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 20 to 24 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 19 to 22 | |
| 19 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 11 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 15 to 16 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.080 to 0.15 | |
| 0.080 to 0.14 |
| Chromium (Cr), % | 8.0 to 10 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 86.8 to 90.5 | |
| 94.6 to 96.6 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.4 to 0.8 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0.9 to 1.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.25 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.010 |