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EN 1.4435 Stainless Steel vs. Nickel 725

EN 1.4435 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have 44% of their average alloy composition in common. 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 1.4435 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, % 43
34
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
78
Shear Strength, MPa 420
580
Tensile Strength: Ultimate (UTS), MPa 610
860
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1440
1340
Melting Onset (Solidus), °C 1400
1270
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
75
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 4.1
13
Embodied Energy, MJ/kg 57
190
Embodied Water, L/kg 160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
19 to 22.5
Iron (Fe), % 59.8 to 68
2.3 to 15.3
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 2.5 to 3.0
7.0 to 9.5
Nickel (Ni), % 12.5 to 15
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
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