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EN 1.7366 Steel vs. Nickel 725

EN 1.7366 steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
34
Fatigue Strength, MPa 160 to 320
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
78
Shear Strength, MPa 290 to 440
580
Tensile Strength: Ultimate (UTS), MPa 460 to 710
860
Tensile Strength: Yield (Proof), MPa 230 to 480
350

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 510
980
Melting Completion (Liquidus), °C 1460
1340
Melting Onset (Solidus), °C 1420
1270
Specific Heat Capacity, J/kg-K 470
440
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
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.7
13
Embodied Energy, MJ/kg 23
190
Embodied Water, L/kg 69
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 16 to 25
28
Strength to Weight: Bending, points 17 to 23
24
Thermal Shock Resistance, points 13 to 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
19 to 22.5
Iron (Fe), % 91.9 to 95.3
2.3 to 15.3
Manganese (Mn), % 0.3 to 0.8
0 to 0.35
Molybdenum (Mo), % 0.45 to 0.65
7.0 to 9.5
Nickel (Ni), % 0
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7