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EN 1.7390 Steel vs. N06920 Nickel

EN 1.7390 steel belongs to the iron alloys classification, while N06920 nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is N06920 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
39
Fatigue Strength, MPa 310
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
82
Shear Strength, MPa 440
500
Tensile Strength: Ultimate (UTS), MPa 710
730
Tensile Strength: Yield (Proof), MPa 480
270

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 510
990
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
55
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.7
9.4
Embodied Energy, MJ/kg 23
130
Embodied Water, L/kg 69
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
230
Resilience: Unit (Modulus of Resilience), kJ/m3 600
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 11
2.8
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Iron (Fe), % 91.9 to 95.3
17 to 20
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
8.0 to 10
Nickel (Ni), % 0
36.9 to 53.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
1.0 to 3.0