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SAE-AISI M62 Steel vs. SAE-AISI O1 Steel

Both SAE-AISI M62 steel and SAE-AISI O1 steel are iron alloys. They have 78% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is SAE-AISI O1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
640 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1600
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.4
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 110
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 27 to 80
23 to 73
Strength to Weight: Bending, points 23 to 47
21 to 46
Thermal Shock Resistance, points 24 to 71
21 to 68

Alloy Composition

Carbon (C), % 1.3 to 1.4
0.85 to 1.0
Chromium (Cr), % 3.5 to 4.0
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 73.6 to 77.4
95 to 97.4
Manganese (Mn), % 0.15 to 0.4
1.0 to 1.4
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.8 to 6.5
0.4 to 0.6
Vanadium (V), % 1.8 to 2.1
0 to 0.3

Comparable Variants