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S31727 Stainless Steel vs. K93500 Alloy

Both S31727 stainless steel and K93500 alloy are iron alloys. They have 74% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is K93500 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 630
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 4.7
4.7
Embodied Energy, MJ/kg 64
65
Embodied Water, L/kg 180
130

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
17 to 27
Strength to Weight: Bending, points 20
17 to 23
Thermal Shock Resistance, points 14
15 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17.5 to 19
0 to 0.25
Cobalt (Co), % 0
5.0
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
61.4 to 63
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
32
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
Zirconium (Zr), % 0
0 to 0.1