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AISI 205 Stainless Steel vs. SAE-AISI O1 Steel

Both AISI 205 stainless steel and SAE-AISI O1 steel are iron alloys. They have 68% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is SAE-AISI O1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
640 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.4
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 37
27
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 29 to 52
23 to 73
Strength to Weight: Bending, points 25 to 37
21 to 46
Thermal Shock Resistance, points 16 to 29
21 to 68

Alloy Composition

Carbon (C), % 0.12 to 0.25
0.85 to 1.0
Chromium (Cr), % 16.5 to 18.5
0.4 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.6 to 68.1
95 to 97.4
Manganese (Mn), % 14 to 15.5
1.0 to 1.4
Nickel (Ni), % 1.0 to 1.7
0 to 0.3
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0 to 0.3

Comparable Variants