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K94200 Alloy vs. AWS ER120S-1

Both K94200 alloy and AWS ER120S-1 are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is K94200 alloy and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 5.0 to 32
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 54
73
Tensile Strength: Ultimate (UTS), MPa 500 to 710
930
Tensile Strength: Yield (Proof), MPa 270 to 650
830

Thermal Properties

Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 5.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
150
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 1460
1850
Stiffness to Weight: Axial, points 9.8
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 24
33
Strength to Weight: Bending, points 17 to 22
27
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 49 to 70
27