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SAE-AISI O1 Steel vs. EN 1.3518 Steel

Both SAE-AISI O1 steel and EN 1.3518 steel are iron alloys. Their average alloy composition is basically identical. There are 23 material properties with values for both materials. Properties with values for just one material (2, 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 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
20
Embodied Water, L/kg 51
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
23
Strength to Weight: Bending, points 21 to 46
21
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 21 to 68
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.85 to 1.0
0.93 to 1.1
Chromium (Cr), % 0.4 to 0.6
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 95 to 97.4
96.3 to 97.8
Manganese (Mn), % 1.0 to 1.4
0.9 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.45 to 0.75
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