ASTM Grade LCB Steel vs. ASTM A369 Grade FPB
Both ASTM grade LCB steel and ASTM A369 grade FPB are iron alloys. Their average alloy composition is basically identical. There are 29 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 grade LCB steel and the bottom bar is ASTM A369 grade FPB.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 27 | |
| 19 |
| Fatigue Strength, MPa | 200 | |
| 180 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 470 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 45 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 78 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 17 |
| Strength to Weight: Bending, points | 19 | |
| 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 17 | |
| 15 |
Alloy Composition
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| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 97 to 100 | |
| 98.1 to 99.61 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.29 to 1.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.6 | |
| 0.1 to 0.5 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.035 |
| Residuals, % | 0 to 1.0 | |
| 0 |