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K93500 Alloy vs. S20431 Stainless Steel

Both K93500 alloy and S20431 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 19 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 K93500 alloy and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 490 to 810
710

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.7
2.5
Embodied Energy, MJ/kg 65
36
Embodied Water, L/kg 130
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 27
25
Strength to Weight: Bending, points 17 to 23
23
Thermal Shock Resistance, points 15 to 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 0 to 0.25
17 to 18
Cobalt (Co), % 5.0
0
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 61.4 to 63
66.1 to 74.4
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
5.0 to 7.0
Nickel (Ni), % 32
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0