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EN 1.7390 Steel vs. EN 2.4668 Nickel

EN 1.7390 steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
14
Fatigue Strength, MPa 310
590
Impact Strength: V-Notched Charpy, J 46
14
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Shear Strength, MPa 440
840
Tensile Strength: Ultimate (UTS), MPa 710
1390
Tensile Strength: Yield (Proof), MPa 480
1160

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 510
980
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.7
13
Embodied Energy, MJ/kg 23
190
Embodied Water, L/kg 69
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 600
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
46
Strength to Weight: Bending, points 23
33
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 20
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.18
0.020 to 0.080
Chromium (Cr), % 4.0 to 6.0
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
11.2 to 24.6
Manganese (Mn), % 0.3 to 0.8
0 to 0.35
Molybdenum (Mo), % 0.45 to 0.65
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2