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EN 1.4841 Stainless Steel vs. Nickel 725

EN 1.4841 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 1.4841 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, % 32
34
Fatigue Strength, MPa 200
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
78
Shear Strength, MPa 430
580
Tensile Strength: Ultimate (UTS), MPa 650
860
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 1150
980
Melting Completion (Liquidus), °C 1380
1340
Melting Onset (Solidus), °C 1340
1270
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
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 62
190
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
240
Resilience: Unit (Modulus of Resilience), kJ/m3 170
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 15
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 24 to 26
19 to 22.5
Iron (Fe), % 47.1 to 55.5
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), % 1.5 to 2.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7