EN 1.6368 Steel vs. EN 1.0038 Steel
Both EN 1.6368 steel and EN 1.0038 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is EN 1.0038 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 110 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 | |
| 23 to 25 |
| Fatigue Strength, MPa | 310 to 330 | |
| 140 to 160 |
| Impact Strength: V-Notched Charpy, J | 43 to 46 | |
| 28 to 31 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 410 to 430 | |
| 240 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 690 | |
| 380 to 430 |
| Tensile Strength: Yield (Proof), MPa | 460 to 490 | |
| 200 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 |
| 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 | |
| 49 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 2.1 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 22 | |
| 19 |
| Embodied Water, L/kg | 53 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 72 to 88 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 650 | |
| 110 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 24 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 20 | |
| 12 to 13 |
Alloy Composition
| Aluminum (Al), % | 0.015 to 0.040 | |
| 0 |
| Carbon (C), % | 0 to 0.17 | |
| 0 to 0.23 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 to 0.3 |
| Copper (Cu), % | 0.5 to 0.8 | |
| 0 to 0.6 |
| Iron (Fe), % | 95.1 to 97.2 | |
| 97.1 to 100 |
| Manganese (Mn), % | 0.8 to 1.2 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0.25 to 0.5 | |
| 0 to 0.080 |
| Nickel (Ni), % | 1.0 to 1.3 | |
| 0 to 0.3 |
| Niobium (Nb), % | 0.015 to 0.045 | |
| 0 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 to 0.014 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.25 to 0.5 | |
| 0 to 0.55 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.045 |