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SAE-AISI 8740 Steel vs. EN 2.4633 Nickel

SAE-AISI 8740 steel belongs to the iron alloys classification, while EN 2.4633 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8740 steel and the bottom bar is EN 2.4633 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 23
34
Fatigue Strength, MPa 270 to 350
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 370 to 400
510
Tensile Strength: Ultimate (UTS), MPa 580 to 670
760
Tensile Strength: Yield (Proof), MPa 380 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
50
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
8.4
Embodied Energy, MJ/kg 20
120
Embodied Water, L/kg 50
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 850
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 24
26
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 10
2.9
Thermal Shock Resistance, points 17 to 20
22

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 0.38 to 0.43
0.15 to 0.25
Chromium (Cr), % 0.4 to 0.6
24 to 26
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 96.5 to 97.7
8.0 to 11
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 0.4 to 0.7
58.8 to 65.9
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zirconium (Zr), % 0
0.010 to 0.1