EN 1.7218 Steel vs. EN 1.7006 Steel
Both EN 1.7218 steel and EN 1.7006 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7218 steel and the bottom bar is EN 1.7006 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 to 230 | |
160 to 220 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 500 to 1550 | |
530 to 1890 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 420 | |
410 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 44 | |
46 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.6 | |
2.0 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
1.4 |
Embodied Energy, MJ/kg | 20 | |
19 |
Embodied Water, L/kg | 52 | |
48 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 18 to 55 | |
19 to 67 |
Strength to Weight: Bending, points | 18 to 38 | |
19 to 43 |
Thermal Diffusivity, mm2/s | 12 | |
12 |
Thermal Shock Resistance, points | 15 to 46 | |
16 to 56 |
Alloy Composition
Aluminum (Al), % | 0 to 0.040 | |
0 |
Carbon (C), % | 0.22 to 0.29 | |
0.42 to 0.5 |
Chromium (Cr), % | 0.9 to 1.2 | |
0.4 to 0.6 |
Copper (Cu), % | 0 to 0.3 | |
0 |
Iron (Fe), % | 96.2 to 98.1 | |
97.6 to 98.7 |
Manganese (Mn), % | 0.6 to 0.9 | |
0.5 to 0.8 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
0 |
Nickel (Ni), % | 0 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.035 |
Silicon (Si), % | 0 to 0.4 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.035 | |
0 to 0.035 |