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S21900 Stainless Steel vs. K93600 Alloy

Both S21900 stainless steel and K93600 alloy are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 50
5.0 to 35
Shear Strength, MPa 510
320 to 380
Tensile Strength: Ultimate (UTS), MPa 710
480 to 810
Tensile Strength: Yield (Proof), MPa 390
280 to 750

Thermal Properties

Maximum Temperature: Mechanical, °C 980
440
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 17
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.4

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
21 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 380
280 to 2050
Stiffness to Weight: Axial, points 14
9.4
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 26
16 to 28
Strength to Weight: Bending, points 23
17 to 24
Thermal Diffusivity, mm2/s 3.8
3.1
Thermal Shock Resistance, points 15
34 to 57