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EN 1.4460 Stainless Steel vs. Nickel 725

EN 1.4460 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 1.4460 stainless steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
78
Shear Strength, MPa 470
580
Tensile Strength: Ultimate (UTS), MPa 750
860
Tensile Strength: Yield (Proof), MPa 510
350

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1340
Melting Onset (Solidus), °C 1390
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.4
13
Embodied Energy, MJ/kg 48
190
Embodied Water, L/kg 180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 640
300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 25 to 28
19 to 22.5
Iron (Fe), % 60.2 to 69.2
2.3 to 15.3
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 1.3 to 2.0
7.0 to 9.5
Nickel (Ni), % 4.5 to 6.5
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7