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ASTM Grade HN Steel vs. K94200 Alloy

Both ASTM grade HN steel and K94200 alloy are iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 9.0
5.0 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
54
Tensile Strength: Ultimate (UTS), MPa 500
500 to 710

Thermal Properties

Melting Onset (Solidus), °C 1350
1440
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
5.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.2

Common Calculations

Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 17
17 to 24
Strength to Weight: Bending, points 18
17 to 22
Thermal Diffusivity, mm2/s 3.5
3.7
Thermal Shock Resistance, points 11
49 to 70