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AISI 436 Stainless Steel vs. Grade CY40 Nickel

AISI 436 stainless steel belongs to the iron alloys classification, while grade CY40 nickel belongs to the nickel 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 AISI 436 stainless steel and the bottom bar is grade CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
34
Fatigue Strength, MPa 190
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 270
220

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
960
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1410
1300
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
55
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.7
9.1
Embodied Energy, MJ/kg 38
130
Embodied Water, L/kg 120
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.4
Chromium (Cr), % 16 to 18
14 to 17
Iron (Fe), % 77.8 to 83.3
0 to 11
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 0
67 to 86
Niobium (Nb), % 0 to 0.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.030