ASTM A369 Grade FP91 vs. EN 1.0580 Steel
Both ASTM A369 grade FP91 and EN 1.0580 steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is EN 1.0580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 160 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 | |
| 5.6 to 25 |
| Fatigue Strength, MPa | 320 | |
| 210 to 270 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 410 | |
| 340 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 670 | |
| 540 to 620 |
| Tensile Strength: Yield (Proof), MPa | 460 | |
| 290 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 600 | |
| 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 | 26 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 37 | |
| 18 |
| Embodied Water, L/kg | 88 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 31 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 | |
| 230 to 540 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 22 | |
| 19 to 21 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 14 |
| Thermal Shock Resistance, points | 18 | |
| 17 to 20 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.020 | |
| 0 |
| Carbon (C), % | 0.080 to 0.12 | |
| 0 to 0.22 |
| Chromium (Cr), % | 8.0 to 9.5 | |
| 0 |
| Iron (Fe), % | 87.3 to 90.3 | |
| 97.5 to 100 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 1.6 |
| Molybdenum (Mo), % | 0.85 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Niobium (Nb), % | 0.060 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.2 to 0.5 | |
| 0 to 0.55 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.045 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Vanadium (V), % | 0.18 to 0.25 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.010 | |
| 0 |