ASTM Grade LC9 Steel vs. SAE-AISI 1030 Steel
Both ASTM grade LC9 steel and SAE-AISI 1030 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. 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 LC9 steel and the bottom bar is SAE-AISI 1030 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 150 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 22 | |
| 14 to 22 |
| Fatigue Strength, MPa | 420 | |
| 210 to 320 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 34 | |
| 39 to 48 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 530 to 590 |
| Tensile Strength: Yield (Proof), MPa | 590 | |
| 300 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 1.4 |
| Embodied Energy, MJ/kg | 31 | |
| 18 |
| Embodied Water, L/kg | 65 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 | |
| 77 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 920 | |
| 230 to 650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 | |
| 19 to 21 |
| Strength to Weight: Bending, points | 21 | |
| 18 to 20 |
| Thermal Shock Resistance, points | 20 | |
| 17 to 19 |
Alloy Composition
| Carbon (C), % | 0 to 0.13 | |
| 0.28 to 0.34 |
| Chromium (Cr), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 87.4 to 91.5 | |
| 98.7 to 99.12 |
| Manganese (Mn), % | 0 to 0.9 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 8.5 to 10 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.45 | |
| 0 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.050 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |