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S20910 Stainless Steel vs. K94200 Alloy

Both S20910 stainless steel and K94200 alloy are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 14 to 39
5.0 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
54
Shear Strength, MPa 500 to 570
330 to 410
Tensile Strength: Ultimate (UTS), MPa 780 to 940
500 to 710
Tensile Strength: Yield (Proof), MPa 430 to 810
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
5.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
250 to 1460
Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 28 to 33
17 to 24
Strength to Weight: Bending, points 24 to 27
17 to 22
Thermal Diffusivity, mm2/s 3.6
3.7
Thermal Shock Resistance, points 17 to 21
49 to 70

Comparable Variants