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K94200 Alloy vs. AWS E33-31

Both K94200 alloy and AWS E33-31 are iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is K94200 alloy and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 5.0 to 32
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 54
81
Tensile Strength: Ultimate (UTS), MPa 500 to 710
810

Thermal Properties

Melting Onset (Solidus), °C 1440
1330
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 5.0
14

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.9

Common Calculations

Stiffness to Weight: Axial, points 9.8
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 24
28
Strength to Weight: Bending, points 17 to 22
24
Thermal Shock Resistance, points 49 to 70
19