ASTM A372 Grade H Steel vs. EN 1.4935 Stainless Steel
Both ASTM A372 grade H steel and EN 1.4935 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is EN 1.4935 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 20 to 22 | |
| 16 to 18 |
| Fatigue Strength, MPa | 310 to 380 | |
| 350 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 410 to 570 | |
| 480 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 910 | |
| 780 to 880 |
| Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
| 570 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 740 |
| 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 | 45 | |
| 24 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 9.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.9 |
| Embodied Energy, MJ/kg | 20 | |
| 42 |
| Embodied Water, L/kg | 49 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 160 | |
| 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 810 | |
| 830 to 1160 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 23 to 32 | |
| 28 to 31 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 24 to 26 |
| Thermal Diffusivity, mm2/s | 12 | |
| 6.5 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 27 to 30 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.4 | |
| 0.17 to 0.24 |
| Chromium (Cr), % | 0.4 to 0.65 | |
| 11 to 12.5 |
| Iron (Fe), % | 97.3 to 98.3 | |
| 83 to 86.7 |
| Manganese (Mn), % | 0.75 to 1.1 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.8 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0.1 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 | |
| 0.4 to 0.6 |
| Vanadium (V), % | 0 | |
| 0.2 to 0.35 |