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SAE-AISI P3 Steel vs. K94200 Alloy

Both SAE-AISI P3 steel and K94200 alloy are iron alloys. There are 17 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 P3 steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
54
Tensile Strength: Ultimate (UTS), MPa 410 to 1980
500 to 710

Thermal Properties

Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 12
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.2

Common Calculations

Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 15 to 70
17 to 24
Strength to Weight: Bending, points 16 to 44
17 to 22
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 14 to 65
49 to 70

Comparable Variants