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Grade CY40 Nickel vs. S30435 Stainless Steel

Grade CY40 nickel belongs to the nickel alloys classification, while S30435 stainless steel belongs to the iron alloys. They have a modest 30% 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 S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
51
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 220
170

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 960
900
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1300
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 55
14
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
2.9
Embodied Energy, MJ/kg 130
40
Embodied Water, L/kg 260
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 130
77
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.4
0 to 0.080
Chromium (Cr), % 14 to 17
16 to 18
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 0 to 11
66.9 to 75.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 67 to 86
7.0 to 9.0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 3.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030