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EN 1.6781 Steel vs. K93600 Alloy

Both EN 1.6781 steel and K93600 alloy are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.6781 steel and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 17
5.0 to 35
Tensile Strength: Ultimate (UTS), MPa 830
480 to 810
Tensile Strength: Yield (Proof), MPa 680
280 to 750

Thermal Properties

Maximum Temperature: Mechanical, °C 450
440
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
520
Thermal Conductivity, W/m-K 44
13
Thermal Expansion, µm/m-K 13
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.4

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
21 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
280 to 2050
Stiffness to Weight: Axial, points 13
9.4
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 29
16 to 28
Strength to Weight: Bending, points 25
17 to 24
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 24
34 to 57