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K94200 Alloy vs. AISI 440B Stainless Steel

Both K94200 alloy and AISI 440B stainless steel are iron alloys. There are 21 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 K94200 alloy and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 5.0 to 32
3.0 to 18
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 54
77
Shear Strength, MPa 330 to 410
460 to 1110
Tensile Strength: Ultimate (UTS), MPa 500 to 710
740 to 1930
Tensile Strength: Yield (Proof), MPa 270 to 650
430 to 1860

Thermal Properties

Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 500
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 5.0
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.9

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
57 to 110
Stiffness to Weight: Axial, points 9.8
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 24
27 to 70
Strength to Weight: Bending, points 17 to 22
24 to 45
Thermal Diffusivity, mm2/s 3.7
6.1
Thermal Shock Resistance, points 49 to 70
27 to 70

Comparable Variants