EN 1.7335 Steel vs. ASTM A387 Grade 2 Steel
Both EN 1.7335 steel and ASTM A387 grade 2 steel are iron alloys. Their average alloy composition is basically identical. There are 32 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 EN 1.7335 steel and the bottom bar is ASTM A387 grade 2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 160 | |
| 140 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 to 22 | |
| 25 |
| Fatigue Strength, MPa | 200 to 220 | |
| 190 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 310 to 330 | |
| 300 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 520 | |
| 470 to 550 |
| Tensile Strength: Yield (Proof), MPa | 280 to 310 | |
| 260 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 420 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 44 | |
| 45 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.8 | |
| 2.6 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 1.6 |
| Embodied Energy, MJ/kg | 21 | |
| 20 |
| Embodied Water, L/kg | 52 | |
| 50 |
Common Calculations
| PREN (Pitting Resistance) | 2.7 | |
| 2.4 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 to 97 | |
| 98 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 260 | |
| 180 to 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 16 to 20 |
| Strength to Weight: Bending, points | 18 | |
| 17 to 19 |
| Thermal Diffusivity, mm2/s | 12 | |
| 12 |
| Thermal Shock Resistance, points | 15 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.18 | |
| 0.050 to 0.21 |
| Chromium (Cr), % | 0.7 to 1.2 | |
| 0.5 to 0.8 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 96.4 to 98.4 | |
| 97.1 to 98.3 |
| Manganese (Mn), % | 0.4 to 1.0 | |
| 0.55 to 0.8 |
| Molybdenum (Mo), % | 0.4 to 0.6 | |
| 0.45 to 0.6 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.025 |