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EN 1.7390 Steel vs. Nickel 22

EN 1.7390 steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. 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 nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 16
49
Fatigue Strength, MPa 310
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
84
Shear Strength, MPa 440
560
Tensile Strength: Ultimate (UTS), MPa 710
790
Tensile Strength: Yield (Proof), MPa 480
360

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 510
990
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 40
10
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.7
12
Embodied Energy, MJ/kg 23
170
Embodied Water, L/kg 69
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
320
Resilience: Unit (Modulus of Resilience), kJ/m3 600
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 11
2.7
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.015
Chromium (Cr), % 4.0 to 6.0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 91.9 to 95.3
2.0 to 6.0
Manganese (Mn), % 0.3 to 0.8
0 to 0.015
Molybdenum (Mo), % 0.45 to 0.65
12.5 to 14.5
Nickel (Ni), % 0
50.8 to 63
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35