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Nickel 725 vs. S35135 Stainless Steel

Nickel 725 belongs to the nickel alloys classification, while S35135 stainless steel belongs to the iron alloys. They have 69% of their average alloy composition in common. There are 26 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 nickel 725 and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 260
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 580
390
Tensile Strength: Ultimate (UTS), MPa 860
590
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1340
1430
Melting Onset (Solidus), °C 1270
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
37
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 13
6.8
Embodied Energy, MJ/kg 190
94
Embodied Water, L/kg 270
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
160
Resilience: Unit (Modulus of Resilience), kJ/m3 300
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19 to 22.5
20 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 2.3 to 15.3
28.3 to 45
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 7.0 to 9.5
4.0 to 4.8
Nickel (Ni), % 55 to 59
30 to 38
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.2
0.6 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.7
0.4 to 1.0