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SAE-AISI O6 Steel vs. AWS E2594

Both SAE-AISI O6 steel and AWS E2594 are iron alloys. They have 61% of their average alloy composition in common. 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 O6 steel and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 71
81
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
850

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.3
Embodied Energy, MJ/kg 21
60
Embodied Water, L/kg 47
190

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 74
30
Strength to Weight: Bending, points 22 to 47
25
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 22 to 69
21

Alloy Composition

Carbon (C), % 1.3 to 1.6
0 to 0.040
Chromium (Cr), % 0 to 0.3
24 to 27
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 94.6 to 97.7
53.8 to 63.8
Manganese (Mn), % 0.3 to 1.1
0.5 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
3.5 to 4.5
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.55 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030