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SAE-AISI P21 Steel vs. N07041 Nickel

SAE-AISI P21 steel belongs to the iron alloys classification, while N07041 nickel belongs to the nickel alloys. There are 13 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P21 steel and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Tensile Strength: Ultimate (UTS), MPa 1130
1400

Thermal Properties

Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 41
11
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.2

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
47
Strength to Weight: Bending, points 31
34
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 37
38