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EN 1.4865 Stainless Steel vs. Nickel 725

EN 1.4865 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have 66% of their average alloy composition in common. There are 27 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 1.4865 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, % 6.8
34
Fatigue Strength, MPa 120
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 470
860
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1020
980
Melting Completion (Liquidus), °C 1380
1340
Melting Onset (Solidus), °C 1330
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.8
13
Embodied Energy, MJ/kg 81
190
Embodied Water, L/kg 200
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
240
Resilience: Unit (Modulus of Resilience), kJ/m3 160
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 11
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
19 to 22.5
Iron (Fe), % 34.4 to 44.7
2.3 to 15.3
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
7.0 to 9.5
Nickel (Ni), % 36 to 39
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.0 to 2.5
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7