ASTM A387 Grade 11 Steel vs. EN 1.4640 Stainless Steel
Both ASTM A387 grade 11 steel and EN 1.4640 stainless steel are iron alloys. They have 73% of their average alloy composition in common. 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 ASTM A387 grade 11 steel and the bottom bar is EN 1.4640 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 180 | |
| 190 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 25 | |
| 51 |
| Fatigue Strength, MPa | 200 to 250 | |
| 230 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 320 to 390 | |
| 440 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 620 to 650 |
| Tensile Strength: Yield (Proof), MPa | 270 to 350 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 930 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 21 | |
| 40 |
| Embodied Water, L/kg | 53 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 3.1 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 130 | |
| 250 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 320 | |
| 150 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 21 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 14 to 15 |
Alloy Composition
| Carbon (C), % | 0.050 to 0.17 | |
| 0.030 to 0.080 |
| Chromium (Cr), % | 1.0 to 1.5 | |
| 18 to 19 |
| Copper (Cu), % | 0 | |
| 1.3 to 2.0 |
| Iron (Fe), % | 96.2 to 97.6 | |
| 67.4 to 73.6 |
| Manganese (Mn), % | 0.4 to 0.65 | |
| 1.5 to 4.0 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 5.5 to 6.9 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.11 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.5 to 0.8 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.015 |