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EN 2.4654 Nickel vs. SAE-AISI 4340 Steel

EN 2.4654 nickel belongs to the nickel alloys classification, while SAE-AISI 4340 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 2.4654 nickel and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
12 to 22
Fatigue Strength, MPa 460
330 to 740
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 770
430 to 770
Tensile Strength: Ultimate (UTS), MPa 1250
690 to 1280
Tensile Strength: Yield (Proof), MPa 850
470 to 1150

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
44
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.7
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 340
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
79 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
590 to 3490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
24 to 45
Strength to Weight: Bending, points 31
22 to 33
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 37
20 to 38

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.020 to 0.1
0.38 to 0.43
Chromium (Cr), % 18 to 21
0.7 to 0.9
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 2.0
95.1 to 96.3
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 3.5 to 5.0
0.2 to 0.3
Nickel (Ni), % 50.6 to 62.5
1.7 to 2.0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 2.8 to 3.3
0
Zirconium (Zr), % 0.020 to 0.080
0