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SAE-AISI O1 Steel vs. EN 1.7767 Steel

Both SAE-AISI O1 steel and EN 1.7767 steel are iron alloys. They have a very high 96% 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 1.7767 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
74
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
2.4
Embodied Energy, MJ/kg 27
33
Embodied Water, L/kg 51
64

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 73
24
Strength to Weight: Bending, points 21 to 46
22
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 21 to 68
19 to 20

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.1 to 0.15
Chromium (Cr), % 0.4 to 0.6
2.8 to 3.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95 to 97.4
93.8 to 95.8
Manganese (Mn), % 1.0 to 1.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0.2 to 0.3