ASTM A372 Grade M Steel vs. ASTM A414 Steel
Both ASTM A372 grade M steel and ASTM A414 steel are iron alloys. 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 M steel and the bottom bar is ASTM A414 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 240 to 280 | |
| 110 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 to 21 | |
| 15 to 26 |
| Fatigue Strength, MPa | 450 to 520 | |
| 140 to 260 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 510 to 570 | |
| 230 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 810 to 910 | |
| 360 to 590 |
| Tensile Strength: Yield (Proof), MPa | 660 to 770 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 450 | |
| 400 |
| 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 | 46 | |
| 49 to 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 7.2 to 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.1 | |
| 8.3 to 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 5.0 | |
| 2.2 |
| Density, g/cm3 | 7.9 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 1.5 to 1.6 |
| Embodied Energy, MJ/kg | 27 | |
| 20 to 22 |
| Embodied Water, L/kg | 61 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 69 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1580 | |
| 100 to 330 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 29 to 32 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 24 to 27 | |
| 11 to 17 |