MakeItFrom.com
Menu (ESC)

SAE-AISI O1 Steel vs. AISI 409Cb Stainless Steel

Both SAE-AISI O1 steel and AISI 409Cb stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O1 steel and the bottom bar is AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
420

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
31
Embodied Water, L/kg 51
94

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
15
Strength to Weight: Bending, points 21 to 46
16
Thermal Diffusivity, mm2/s 12
6.7
Thermal Shock Resistance, points 21 to 68
15

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.060
Chromium (Cr), % 0.4 to 0.6
10.5 to 11.7
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.4
84.9 to 89.5
Manganese (Mn), % 1.0 to 1.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0