ASTM A372 Grade H Steel vs. SAE-AISI 1095 Steel
Both ASTM A372 grade H steel and SAE-AISI 1095 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 A372 grade H steel and the bottom bar is SAE-AISI 1095 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 280 | |
| 200 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 22 | |
| 10 to 11 |
| Fatigue Strength, MPa | 310 to 380 | |
| 310 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 410 to 570 | |
| 400 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 910 | |
| 680 to 900 |
| Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
| 500 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 45 | |
| 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 9.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 | |
| 19 |
| Embodied Water, L/kg | 49 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 160 | |
| 63 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 810 | |
| 660 to 930 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 32 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 22 to 26 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 22 to 29 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.4 | |
| 0.9 to 1.0 |
| Chromium (Cr), % | 0.4 to 0.65 | |
| 0 |
| Iron (Fe), % | 97.3 to 98.3 | |
| 98.4 to 98.8 |
| Manganese (Mn), % | 0.75 to 1.1 | |
| 0.3 to 0.5 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.050 |