ASTM Grade LCC Steel vs. ACI-ASTM CN7MS Steel
Both ASTM grade LCC steel and ACI-ASTM CN7MS steel are iron alloys. They have 50% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM grade LCC steel and the bottom bar is ACI-ASTM CN7MS steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 25 | |
| 39 |
| Fatigue Strength, MPa | 230 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1040 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1400 |
| Melting Onset (Solidus), °C | 1410 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 49 | |
| 12 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 28 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 5.1 |
| Embodied Energy, MJ/kg | 18 | |
| 71 |
| Embodied Water, L/kg | 45 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 | |
| 140 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 20 | |
| 19 |
| Strength to Weight: Bending, points | 20 | |
| 19 |
| Thermal Diffusivity, mm2/s | 13 | |
| 3.2 |
| Thermal Shock Resistance, points | 17 | |
| 13 |
Alloy Composition
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| Carbon (C), % | 0 to 0.25 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.0 |
| Iron (Fe), % | 96.9 to 100 | |
| 45.4 to 53.5 |
| Manganese (Mn), % | 0 to 1.2 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.0 |
| Nickel (Ni), % | 0 | |
| 22 to 25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.6 | |
| 2.5 to 3.5 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.030 |
| Residuals, % | 0 to 1.0 | |
| 0 |