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SAE-AISI 8740 Steel vs. N06058 Nickel

SAE-AISI 8740 steel belongs to the iron alloys classification, while N06058 nickel belongs to the nickel 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 SAE-AISI 8740 steel and the bottom bar is N06058 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 23
45
Fatigue Strength, MPa 270 to 350
350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
86
Shear Strength, MPa 370 to 400
600
Tensile Strength: Ultimate (UTS), MPa 580 to 670
860
Tensile Strength: Yield (Proof), MPa 380 to 570
410

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1460
1540
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 39
9.8
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
70
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
13
Embodied Energy, MJ/kg 20
170
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 850
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20 to 24
27
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 10
2.6
Thermal Shock Resistance, points 17 to 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.38 to 0.43
0 to 0.010
Chromium (Cr), % 0.4 to 0.6
20 to 23
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.5 to 97.7
0 to 1.5
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.3
19 to 21
Nickel (Ni), % 0.4 to 0.7
52.2 to 61
Nitrogen (N), % 0
0.020 to 0.15
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
0 to 0.3