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SAE-AISI O1 Steel vs. EN 1.4962 Stainless Steel

Both SAE-AISI O1 steel and EN 1.4962 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 1.4962 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
630 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
4.1
Embodied Energy, MJ/kg 27
59
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 73
21 to 24
Strength to Weight: Bending, points 21 to 46
20 to 21
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 21 to 68
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.85 to 1.0
0.070 to 0.15
Chromium (Cr), % 0.4 to 0.6
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.4
62.1 to 69
Manganese (Mn), % 1.0 to 1.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
12.5 to 14.5
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0.4 to 0.6
2.5 to 3.0
Vanadium (V), % 0 to 0.3
0