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EN 1.4845 Stainless Steel vs. Nickel 725

EN 1.4845 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have 50% of their average alloy composition in common. 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 1.4845 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, % 38
34
Fatigue Strength, MPa 200
260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
78
Shear Strength, MPa 410
580
Tensile Strength: Ultimate (UTS), MPa 600
860
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1050
980
Melting Completion (Liquidus), °C 1400
1340
Melting Onset (Solidus), °C 1360
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 4.3
13
Embodied Energy, MJ/kg 61
190
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
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 0.1
0 to 0.030
Chromium (Cr), % 24 to 26
19 to 22.5
Iron (Fe), % 48.2 to 57
2.3 to 15.3
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 0
7.0 to 9.5
Nickel (Ni), % 19 to 22
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 1.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7