SAE-AISI 1524 Steel vs. ASTM A369 Grade FPA
Both SAE-AISI 1524 steel and ASTM A369 grade FPA are iron alloys. Their average alloy composition is basically identical. 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 SAE-AISI 1524 steel and the bottom bar is ASTM A369 grade FPA.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 22 | |
| 27 |
| Fatigue Strength, MPa | 230 to 340 | |
| 180 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 360 to 390 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 650 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 320 to 540 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 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 | 52 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 18 |
| Embodied Water, L/kg | 48 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 110 | |
| 89 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 760 | |
| 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 20 to 23 | |
| 13 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 15 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 18 to 21 | |
| 12 |
Alloy Composition
| Carbon (C), % | 0.19 to 0.25 | |
| 0 to 0.25 |
| Iron (Fe), % | 98 to 98.5 | |
| 98.3 to 99.63 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0.27 to 0.93 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.1 to 0.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.035 |