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AWS E2593 vs. SAE-AISI O2 Steel

Both AWS E2593 and SAE-AISI O2 steel are iron alloys. They have 60% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E2593 and the bottom bar is SAE-AISI O2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 850
640 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
43
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.8
Embodied Energy, MJ/kg 59
26
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
23 to 73
Strength to Weight: Bending, points 25
21 to 46
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 21
22 to 70

Alloy Composition

Carbon (C), % 0 to 0.040
0.85 to 1.0
Chromium (Cr), % 24 to 27
0 to 0.5
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 52.7 to 62.5
95 to 97.8
Manganese (Mn), % 0.5 to 1.5
1.4 to 1.8
Molybdenum (Mo), % 2.9 to 3.9
0 to 0.3
Nickel (Ni), % 8.5 to 10.5
0 to 0.3
Nitrogen (N), % 0.080 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.3