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Grade CY40 Nickel vs. SAE-AISI 1040 Steel

Grade CY40 nickel belongs to the nickel alloys classification, while SAE-AISI 1040 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade CY40 nickel and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
13 to 20
Fatigue Strength, MPa 160
220 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 540
570 to 640
Tensile Strength: Yield (Proof), MPa 220
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.4
Embodied Energy, MJ/kg 130
18
Embodied Water, L/kg 260
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 130
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20 to 23
Strength to Weight: Bending, points 18
19 to 21
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 16
18 to 20

Alloy Composition

Carbon (C), % 0 to 0.4
0.37 to 0.44
Chromium (Cr), % 14 to 17
0
Iron (Fe), % 0 to 11
98.6 to 99.03
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Nickel (Ni), % 67 to 86
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 3.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050