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EN 2.4878 Nickel vs. SAE-AISI 4140 Steel

EN 2.4878 nickel belongs to the nickel alloys classification, while SAE-AISI 4140 steel belongs to the iron alloys. There are 28 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 EN 2.4878 nickel and the bottom bar is SAE-AISI 4140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 17
11 to 26
Fatigue Strength, MPa 400 to 410
360 to 650
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 750 to 760
410 to 660
Tensile Strength: Ultimate (UTS), MPa 1210 to 1250
690 to 1080
Tensile Strength: Yield (Proof), MPa 740 to 780
590 to 990

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1030
420
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
43
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.4
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 370
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 180
74 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 1540
920 to 2590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41 to 42
25 to 38
Strength to Weight: Bending, points 31
22 to 30
Thermal Diffusivity, mm2/s 2.8
12
Thermal Shock Resistance, points 37 to 39
20 to 32

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.010 to 0.015
0
Carbon (C), % 0.030 to 0.070
0.38 to 0.43
Chromium (Cr), % 23 to 25
0.8 to 1.1
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 1.0
96.8 to 97.8
Manganese (Mn), % 0 to 0.5
0.75 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0.15 to 0.25
Nickel (Ni), % 43.6 to 52.2
0
Niobium (Nb), % 0.7 to 1.2
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.0070
0 to 0.040
Tantalum (Ta), % 0 to 0.050
0
Titanium (Ti), % 2.8 to 3.2
0
Zirconium (Zr), % 0.030 to 0.070
0

Comparable Variants