ACI-ASTM CE8MN Steel vs. ASTM Grade HC Steel
Both ACI-ASTM CE8MN steel and ASTM grade HC steel are iron alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is ACI-ASTM CE8MN steel and the bottom bar is ASTM grade HC steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 29 | |
6.0 |
Fatigue Strength, MPa | 370 | |
96 |
Poisson's Ratio | 0.27 | |
0.27 |
Shear Modulus, GPa | 80 | |
80 |
Tensile Strength: Ultimate (UTS), MPa | 750 | |
430 |
Tensile Strength: Yield (Proof), MPa | 500 | |
200 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
310 |
Maximum Temperature: Corrosion, °C | 440 | |
460 |
Maximum Temperature: Mechanical, °C | 1100 | |
1100 |
Melting Completion (Liquidus), °C | 1440 | |
1410 |
Melting Onset (Solidus), °C | 1400 | |
1370 |
Specific Heat Capacity, J/kg-K | 480 | |
490 |
Thermal Conductivity, W/m-K | 16 | |
17 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
2.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 21 | |
14 |
Density, g/cm3 | 7.8 | |
7.6 |
Embodied Carbon, kg CO2/kg material | 4.2 | |
2.8 |
Embodied Energy, MJ/kg | 58 | |
40 |
Embodied Water, L/kg | 180 | |
170 |
Common Calculations
PREN (Pitting Resistance) | 40 | |
29 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
21 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 620 | |
95 |
Stiffness to Weight: Axial, points | 15 | |
15 |
Stiffness to Weight: Bending, points | 25 | |
26 |
Strength to Weight: Axial, points | 27 | |
16 |
Strength to Weight: Bending, points | 23 | |
16 |
Thermal Diffusivity, mm2/s | 4.2 | |
4.5 |
Thermal Shock Resistance, points | 21 | |
14 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0 to 0.5 |
Chromium (Cr), % | 22.5 to 25.5 | |
26 to 30 |
Iron (Fe), % | 56 to 66.4 | |
61.9 to 74 |
Manganese (Mn), % | 0 to 1.0 | |
0 to 1.0 |
Molybdenum (Mo), % | 3.0 to 4.5 | |
0 to 0.5 |
Nickel (Ni), % | 8.0 to 11 | |
0 to 4.0 |
Nitrogen (N), % | 0.1 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.5 | |
0 to 2.0 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.040 |