EN 1.0434 Steel vs. ASTM A369 Grade FP91
Both EN 1.0434 steel and ASTM A369 grade FP91 are iron alloys. They have 89% 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 1.0434 steel and the bottom bar is ASTM A369 grade FP91.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 160 | |
| 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 28 | |
| 19 |
| Fatigue Strength, MPa | 190 to 300 | |
| 320 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 280 to 330 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 390 to 540 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 250 to 450 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 600 |
| 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 | 52 | |
| 26 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 7.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 18 | |
| 37 |
| Embodied Water, L/kg | 46 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 39 to 140 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 540 | |
| 560 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 14 to 19 | |
| 24 |
| Strength to Weight: Bending, points | 15 to 19 | |
| 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.9 |
| Thermal Shock Resistance, points | 12 to 17 | |
| 18 |
Alloy Composition
| Aluminum (Al), % | 0.020 to 0.060 | |
| 0 to 0.020 |
| Carbon (C), % | 0.15 to 0.19 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 0 | |
| 8.0 to 9.5 |
| Iron (Fe), % | 98.8 to 99.18 | |
| 87.3 to 90.3 |
| Manganese (Mn), % | 0.65 to 0.85 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.2 to 0.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0.18 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.010 |