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SAE-AISI H19 Steel vs. K94200 Alloy

Both SAE-AISI H19 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 H19 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 75
54
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
500 to 710

Thermal Properties

Melting Onset (Solidus), °C 1490
1440
Specific Heat Capacity, J/kg-K 460
500
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 12
5.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.2

Common Calculations

Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24 to 68
17 to 24
Strength to Weight: Bending, points 22 to 43
17 to 22
Thermal Diffusivity, mm2/s 7.9
3.7
Thermal Shock Resistance, points 21 to 59
49 to 70

Comparable Variants