ACI-ASTM CN7MS Steel vs. AWS ER100S-1
Both ACI-ASTM CN7MS steel and AWS ER100S-1 are iron alloys. They have 53% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is AWS ER100S-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 39 | |
| 18 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 770 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 250 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1460 |
| Melting Onset (Solidus), °C | 1350 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 12 | |
| 49 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 3.6 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 1.8 |
| Embodied Energy, MJ/kg | 71 | |
| 24 |
| Embodied Water, L/kg | 180 | |
| 54 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
| 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 27 |
| Strength to Weight: Bending, points | 19 | |
| 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 13 |
| Thermal Shock Resistance, points | 13 | |
| 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.080 |
| Chromium (Cr), % | 18 to 20 | |
| 0 to 0.3 |
| Copper (Cu), % | 1.5 to 2.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 45.4 to 53.5 | |
| 93.5 to 96.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 1.3 to 1.8 |
| Molybdenum (Mo), % | 2.5 to 3.0 | |
| 0.25 to 0.55 |
| Nickel (Ni), % | 22 to 25 | |
| 1.4 to 2.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0.2 to 0.55 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |