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EN 1.4905 Stainless Steel vs. Nickel 725

EN 1.4905 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. 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 1.4905 stainless steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
34
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Shear Strength, MPa 460
580
Tensile Strength: Ultimate (UTS), MPa 740
860
Tensile Strength: Yield (Proof), MPa 510
350

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 660
980
Melting Completion (Liquidus), °C 1480
1340
Melting Onset (Solidus), °C 1440
1270
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.8
13
Embodied Energy, MJ/kg 40
190
Embodied Water, L/kg 90
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 680
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
24
Thermal Shock Resistance, points 25
23

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.35
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.030
Chromium (Cr), % 8.5 to 9.5
19 to 22.5
Iron (Fe), % 86.2 to 88.8
2.3 to 15.3
Manganese (Mn), % 0.3 to 0.6
0 to 0.35
Molybdenum (Mo), % 0.9 to 1.1
7.0 to 9.5
Nickel (Ni), % 0.1 to 0.4
55 to 59
Niobium (Nb), % 0.060 to 0.1
2.8 to 4.0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0.1 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0