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S20910 Stainless Steel vs. K93050 Alloy

Both S20910 stainless steel and K93050 alloy are iron alloys. They have 70% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is K93050 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 79
72
Tensile Strength: Ultimate (UTS), MPa 780 to 940
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.8
4.7
Embodied Energy, MJ/kg 68
65
Embodied Water, L/kg 180
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 33
17 to 23
Strength to Weight: Bending, points 24 to 27
17 to 21
Thermal Shock Resistance, points 17 to 21
16 to 21

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 20.5 to 23.5
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Iron (Fe), % 52.1 to 62.1
61.4 to 63.9
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
36
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0 to 0.75
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants