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SAE-AISI 8740 Steel vs. N07041 Nickel

SAE-AISI 8740 steel belongs to the iron alloys classification, while N07041 nickel belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8740 steel and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 23
14
Fatigue Strength, MPa 270 to 350
540
Shear Strength, MPa 370 to 400
850
Tensile Strength: Ultimate (UTS), MPa 580 to 670
1400
Tensile Strength: Yield (Proof), MPa 380 to 570
1050

Thermal Properties

Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 850
2510
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 24
47
Strength to Weight: Bending, points 20 to 22
34
Thermal Diffusivity, mm2/s 10
3.0
Thermal Shock Resistance, points 17 to 20
38