ACI-ASTM CG6MMN Steel vs. ASTM Grade HL Steel
Both ACI-ASTM CG6MMN steel and ASTM grade HL steel are iron alloys. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is ACI-ASTM CG6MMN steel and the bottom bar is ASTM grade HL steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 | |
| 11 |
| Fatigue Strength, MPa | 260 | |
| 150 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 79 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 670 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 320 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 320 |
| Maximum Temperature: Corrosion, °C | 460 | |
| 460 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1390 |
| Melting Onset (Solidus), °C | 1380 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 27 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 4.5 |
| Embodied Energy, MJ/kg | 68 | |
| 65 |
| Embodied Water, L/kg | 180 | |
| 210 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 31 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
| 48 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 | |
| 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 18 |
| Strength to Weight: Bending, points | 22 | |
| 18 |
| Thermal Shock Resistance, points | 14 | |
| 11 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0.2 to 0.6 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 28 to 32 |
| Iron (Fe), % | 51.9 to 62.1 | |
| 40.8 to 53.8 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 18 to 22 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |