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EN 1.6771 Steel vs. K94200 Alloy

Both EN 1.6771 steel and K94200 alloy are iron alloys. There are 21 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 1.6771 steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 8.0 to 8.7
5.0 to 32
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
54
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
500 to 710
Tensile Strength: Yield (Proof), MPa 740 to 1140
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
3.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 93
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1460 to 3450
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 33 to 41
17 to 24
Strength to Weight: Bending, points 27 to 31
17 to 22
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 27 to 35
49 to 70

Comparable Variants