EN 1.8818 Steel vs. Grade N7M Nickel
EN 1.8818 steel belongs to the iron alloys classification, while grade N7M nickel belongs to the nickel alloys. 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 EN 1.8818 steel and the bottom bar is grade N7M nickel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
220 |
Elongation at Break, % | 27 | |
22 |
Fatigue Strength, MPa | 200 | |
190 |
Poisson's Ratio | 0.29 | |
0.31 |
Shear Modulus, GPa | 73 | |
85 |
Tensile Strength: Ultimate (UTS), MPa | 440 | |
590 |
Tensile Strength: Yield (Proof), MPa | 270 | |
310 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
320 |
Maximum Temperature: Mechanical, °C | 400 | |
900 |
Melting Completion (Liquidus), °C | 1460 | |
1650 |
Melting Onset (Solidus), °C | 1420 | |
1590 |
Specific Heat Capacity, J/kg-K | 470 | |
390 |
Thermal Expansion, µm/m-K | 13 | |
9.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
75 |
Density, g/cm3 | 7.8 | |
9.3 |
Embodied Carbon, kg CO2/kg material | 1.6 | |
16 |
Embodied Energy, MJ/kg | 21 | |
200 |
Embodied Water, L/kg | 49 | |
270 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
220 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
22 |
Strength to Weight: Axial, points | 16 | |
18 |
Strength to Weight: Bending, points | 16 | |
17 |
Thermal Shock Resistance, points | 13 | |
19 |
Alloy Composition
Aluminum (Al), % | 0.015 to 0.034 | |
0 |
Carbon (C), % | 0 to 0.15 | |
0 to 0.070 |
Chromium (Cr), % | 0 to 0.35 | |
0 to 1.0 |
Copper (Cu), % | 0 to 0.6 | |
0 |
Iron (Fe), % | 95.9 to 99.985 | |
0 to 3.0 |
Manganese (Mn), % | 0 to 1.6 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 to 0.13 | |
30 to 33 |
Nickel (Ni), % | 0 to 0.35 | |
60.9 to 70 |
Niobium (Nb), % | 0 to 0.060 | |
0 |
Nitrogen (N), % | 0 to 0.017 | |
0 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.55 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Titanium (Ti), % | 0 to 0.060 | |
0 |
Vanadium (V), % | 0 to 0.1 | |
0 |