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K94200 Alloy vs. EN 1.7378 Steel

Both K94200 alloy and EN 1.7378 steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is K94200 alloy and the bottom bar is EN 1.7378 steel.

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
74
Shear Strength, MPa 330 to 410
430
Tensile Strength: Ultimate (UTS), MPa 500 to 710
700
Tensile Strength: Yield (Proof), MPa 270 to 650
490

Thermal Properties

Melting Onset (Solidus), °C 1440
1430
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 1460
630
Stiffness to Weight: Axial, points 9.8
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 24
25
Strength to Weight: Bending, points 17 to 22
22
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 49 to 70
20