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SAE-AISI 4118 Steel vs. N07041 Nickel

SAE-AISI 4118 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 4118 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, % 23
14
Fatigue Strength, MPa 230
540
Shear Strength, MPa 320
850
Tensile Strength: Ultimate (UTS), MPa 500
1400
Tensile Strength: Yield (Proof), MPa 320
1050

Thermal Properties

Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 46
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 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
2510
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
47
Strength to Weight: Bending, points 18
34
Thermal Diffusivity, mm2/s 13
3.0
Thermal Shock Resistance, points 15
38