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EN 1.4419 Stainless Steel vs. Nickel 725

EN 1.4419 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have a modest 24% 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4419 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, % 11 to 17
34
Fatigue Strength, MPa 230 to 680
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Shear Strength, MPa 410 to 950
580
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
860
Tensile Strength: Yield (Proof), MPa 370 to 1240
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 790
980
Melting Completion (Liquidus), °C 1440
1340
Melting Onset (Solidus), °C 1400
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.2
13
Embodied Energy, MJ/kg 30
190
Embodied Water, L/kg 110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
240
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 57
28
Strength to Weight: Bending, points 22 to 39
24
Thermal Shock Resistance, points 23 to 55
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.36 to 0.42
0 to 0.030
Chromium (Cr), % 13 to 14.5
19 to 22.5
Iron (Fe), % 82 to 86
2.3 to 15.3
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0.6 to 1.0
7.0 to 9.5
Nickel (Ni), % 0
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
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