ASTM A387 Grade 9 Steel vs. EN 1.5501 Steel
Both ASTM A387 grade 9 steel and EN 1.5501 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 (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 9 steel and the bottom bar is EN 1.5501 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 180 | |
| 120 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 21 | |
| 12 to 17 |
| Fatigue Strength, MPa | 160 to 240 | |
| 180 to 270 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 310 to 380 | |
| 270 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 390 to 510 |
| Tensile Strength: Yield (Proof), MPa | 230 to 350 | |
| 260 to 420 |
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 | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 1.4 |
| Embodied Energy, MJ/kg | 28 | |
| 18 |
| Embodied Water, L/kg | 87 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 110 | |
| 40 to 83 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 310 | |
| 190 to 460 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 14 to 18 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 15 to 18 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 14 |
| Thermal Shock Resistance, points | 14 to 17 | |
| 11 to 15 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.15 | |
| 0.13 to 0.16 |
| Chromium (Cr), % | 8.0 to 10 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 87.1 to 90.8 | |
| 98.4 to 99.269 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.6 to 0.8 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 to 0.040 | |
| 0 |