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SAE-AISI O1 Steel vs. EN 1.4852 Stainless Steel

Both SAE-AISI O1 steel and EN 1.4852 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4852 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
490

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
41
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
6.9
Embodied Energy, MJ/kg 27
100
Embodied Water, L/kg 51
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
17
Strength to Weight: Bending, points 21 to 46
18
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 21 to 68
11

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.3 to 0.5
Chromium (Cr), % 0.4 to 0.6
24 to 27
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.4
29.6 to 40.9
Manganese (Mn), % 1.0 to 1.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
33 to 36
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0