Grade FDC Steel vs. ACI-ASTM CN7MS Steel
Both grade FDC steel and ACI-ASTM CN7MS steel are iron alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade FDC steel and the bottom bar is ACI-ASTM CN7MS steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 510 | |
160 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 80 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 1680 | |
540 |
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 | 51 | |
12 |
Thermal Expansion, µm/m-K | 13 | |
16 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
28 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
5.1 |
Embodied Energy, MJ/kg | 19 | |
71 |
Embodied Water, L/kg | 47 | |
180 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 60 | |
19 |
Strength to Weight: Bending, points | 40 | |
19 |
Thermal Diffusivity, mm2/s | 14 | |
3.2 |
Thermal Shock Resistance, points | 50 | |
13 |
Alloy Composition
Carbon (C), % | 0.6 to 0.75 | |
0 to 0.070 |
Chromium (Cr), % | 0 to 0.3 | |
18 to 20 |
Copper (Cu), % | 0 to 0.12 | |
1.5 to 2.0 |
Iron (Fe), % | 98 to 99.4 | |
45.4 to 53.5 |
Manganese (Mn), % | 0.5 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 0.030 | |
0 to 0.040 |
Silicon (Si), % | 0.1 to 0.35 | |
2.5 to 3.5 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |