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K93603 Alloy vs. S31655 Stainless Steel

Both K93603 alloy and S31655 stainless steel are iron alloys. They have 72% 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 K93603 alloy and the bottom bar is S31655 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
78
Tensile Strength: Ultimate (UTS), MPa 490 to 810
710

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.3
Embodied Energy, MJ/kg 66
46
Embodied Water, L/kg 120
160

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 24
23
Thermal Shock Resistance, points 15 to 25
16

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
19.5 to 21.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 61.8 to 64
63.2 to 71.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 36
8.0 to 9.5
Nitrogen (N), % 0
0.14 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0