EN 1.4123 Stainless Steel vs. ASTM A387 Grade 2 Steel
Both EN 1.4123 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 83% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is ASTM A387 grade 2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 250 | |
| 140 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 810 | |
| 470 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 840 | |
| 420 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1470 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 45 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 2.6 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 1.6 |
| Embodied Energy, MJ/kg | 62 | |
| 20 |
| Embodied Water, L/kg | 120 | |
| 50 |
Common Calculations
| PREN (Pitting Resistance) | 24 | |
| 2.4 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 16 to 20 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 17 to 19 |
| Thermal Diffusivity, mm2/s | 6.3 | |
| 12 |
| Thermal Shock Resistance, points | 26 to 29 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0.35 to 0.5 | |
| 0.050 to 0.21 |
| Chromium (Cr), % | 14 to 16.5 | |
| 0.5 to 0.8 |
| Iron (Fe), % | 76.7 to 84.6 | |
| 97.1 to 98.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.55 to 0.8 |
| Molybdenum (Mo), % | 1.0 to 2.5 | |
| 0.45 to 0.6 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 to 1.5 | |
| 0 |