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EN 2.4680 Cast Nickel vs. SAE-AISI 8740 Steel

EN 2.4680 cast nickel belongs to the nickel alloys classification, while SAE-AISI 8740 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4680 cast nickel and the bottom bar is SAE-AISI 8740 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 9.1
11 to 23
Fatigue Strength, MPa 120
270 to 350
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 600
580 to 670
Tensile Strength: Yield (Proof), MPa 260
380 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 1050
410
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 350
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
390 to 850
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
20 to 24
Strength to Weight: Bending, points 20
20 to 22
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 14
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0.38 to 0.43
Chromium (Cr), % 48 to 52
0.4 to 0.6
Iron (Fe), % 0 to 1.0
96.5 to 97.7
Manganese (Mn), % 0 to 0.5
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.3
Nickel (Ni), % 42.9 to 51
0.4 to 0.7
Niobium (Nb), % 1.0 to 1.8
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040