ACI-ASTM CG8M Steel vs. SAE-AISI 1037 Steel
Both ACI-ASTM CG8M steel and SAE-AISI 1037 steel are iron alloys. They have 65% of their average alloy composition in common. There are 30 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 ACI-ASTM CG8M steel and the bottom bar is SAE-AISI 1037 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 160 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 45 | |
| 14 to 20 |
| Fatigue Strength, MPa | 280 | |
| 220 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 580 to 640 |
| Tensile Strength: Yield (Proof), MPa | 300 | |
| 320 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1020 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 51 |
| Thermal Expansion, µm/m-K | 16 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 1.4 |
| Embodied Energy, MJ/kg | 56 | |
| 18 |
| Embodied Water, L/kg | 160 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 | |
| 83 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 270 to 780 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 20 to 23 |
| Strength to Weight: Bending, points | 19 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 14 |
| Thermal Shock Resistance, points | 12 | |
| 18 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0.32 to 0.38 |
| Chromium (Cr), % | 18 to 21 | |
| 0 |
| Iron (Fe), % | 58.8 to 70 | |
| 98.5 to 99 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 13 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.050 |