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S20910 Stainless Steel vs. SAE-AISI O6 Steel

Both S20910 stainless steel and SAE-AISI O6 steel are iron alloys. They have 59% of their average alloy composition in common. There are 21 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 SAE-AISI O6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
71
Tensile Strength: Ultimate (UTS), MPa 780 to 940
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
43
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 68
21
Embodied Water, L/kg 180
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
24 to 74
Strength to Weight: Bending, points 24 to 27
22 to 47
Thermal Diffusivity, mm2/s 3.6
12
Thermal Shock Resistance, points 17 to 21
22 to 69

Alloy Composition

Carbon (C), % 0 to 0.060
1.3 to 1.6
Chromium (Cr), % 20.5 to 23.5
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 52.1 to 62.1
94.6 to 97.7
Manganese (Mn), % 4.0 to 6.0
0.3 to 1.1
Molybdenum (Mo), % 1.5 to 3.0
0.2 to 0.3
Nickel (Ni), % 11.5 to 13.5
0 to 0.3
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0.55 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants