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K94200 Alloy vs. SAE-AISI 8620 Steel

Both K94200 alloy and SAE-AISI 8620 steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is K94200 alloy and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 5.0 to 32
13 to 31
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 54
73
Shear Strength, MPa 330 to 410
340 to 420
Tensile Strength: Ultimate (UTS), MPa 500 to 710
520 to 690
Tensile Strength: Yield (Proof), MPa 270 to 650
360 to 570

Thermal Properties

Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 5.0
13

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 1460
340 to 880
Stiffness to Weight: Axial, points 9.8
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 24
18 to 24
Strength to Weight: Bending, points 17 to 22
18 to 22
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 49 to 70
15 to 20

Comparable Variants