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Grade CY40 Nickel vs. S44535 Stainless Steel

Grade CY40 nickel belongs to the nickel alloys classification, while S44535 stainless steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 grade CY40 nickel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
28
Fatigue Strength, MPa 160
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 540
450
Tensile Strength: Yield (Proof), MPa 220
290

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1300
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.1
2.4
Embodied Energy, MJ/kg 130
34
Embodied Water, L/kg 260
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.7
5.6
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.4
0 to 0.030
Chromium (Cr), % 14 to 17
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 11
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Nickel (Ni), % 67 to 86
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 3.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2