EN 1.6368 Steel vs. EN 1.6580 Steel
Both EN 1.6368 steel and EN 1.6580 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is EN 1.6580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 220 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 | |
| 11 to 19 |
| Fatigue Strength, MPa | 310 to 330 | |
| 310 to 610 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 410 to 430 | |
| 450 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 690 | |
| 720 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 460 to 490 | |
| 460 to 990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 450 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 4.3 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.8 |
| Embodied Energy, MJ/kg | 22 | |
| 23 |
| Embodied Water, L/kg | 53 | |
| 59 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 650 | |
| 560 to 2590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 24 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 23 to 31 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 20 | |
| 21 to 34 |
Alloy Composition
| Aluminum (Al), % | 0.015 to 0.040 | |
| 0 |
| Carbon (C), % | 0 to 0.17 | |
| 0.26 to 0.34 |
| Chromium (Cr), % | 0 to 0.3 | |
| 1.8 to 2.2 |
| Copper (Cu), % | 0.5 to 0.8 | |
| 0 |
| Iron (Fe), % | 95.1 to 97.2 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 0.8 to 1.2 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.25 to 0.5 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 1.0 to 1.3 | |
| 1.8 to 2.2 |
| Niobium (Nb), % | 0.015 to 0.045 | |
| 0 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.25 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.035 |