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SAE-AISI M46 Steel vs. K94200 Alloy

Both SAE-AISI M46 steel and K94200 alloy are iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M46 steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
54
Tensile Strength: Ultimate (UTS), MPa 800 to 2300
500 to 710

Thermal Properties

Melting Onset (Solidus), °C 1500
1440
Specific Heat Capacity, J/kg-K 450
500
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 12
5.0

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.2

Common Calculations

Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 27 to 78
17 to 24
Strength to Weight: Bending, points 24 to 48
17 to 22
Thermal Diffusivity, mm2/s 4.9
3.7
Thermal Shock Resistance, points 25 to 71
49 to 70

Comparable Variants