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SAE-AISI O2 Steel vs. SAE-AISI M52 Steel

Both SAE-AISI O2 steel and SAE-AISI M52 steel are iron alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O2 steel and the bottom bar is SAE-AISI M52 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
75
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1510
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 43
31
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
12
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
7.5
Embodied Energy, MJ/kg 26
110
Embodied Water, L/kg 50
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 73
25 to 80
Strength to Weight: Bending, points 21 to 46
22 to 49
Thermal Diffusivity, mm2/s 12
8.4
Thermal Shock Resistance, points 22 to 70
21 to 67

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.85 to 1.0
Chromium (Cr), % 0 to 0.5
3.5 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95 to 97.8
84.4 to 88.9
Manganese (Mn), % 1.4 to 1.8
0.15 to 0.45
Molybdenum (Mo), % 0 to 0.3
4.0 to 4.9
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.75 to 1.5
Vanadium (V), % 0 to 0.3
1.7 to 2.3

Comparable Variants