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SAE-AISI O2 Steel vs. EN 1.3553 Steel

Both SAE-AISI O2 steel and EN 1.3553 steel are iron alloys. They have 84% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O2 steel and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
24
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.8
8.5
Embodied Energy, MJ/kg 26
130
Embodied Water, L/kg 50
96

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 73
24
Strength to Weight: Bending, points 21 to 46
21
Thermal Diffusivity, mm2/s 12
6.4
Thermal Shock Resistance, points 22 to 70
21

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.78 to 0.86
Chromium (Cr), % 0 to 0.5
3.9 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 95 to 97.8
80.7 to 83.7
Manganese (Mn), % 1.4 to 1.8
0 to 0.4
Molybdenum (Mo), % 0 to 0.3
4.7 to 5.2
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0 to 0.3
1.7 to 2.0