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SAE-AISI O2 Steel vs. EN 1.3961 Alloy

Both SAE-AISI O2 steel and EN 1.3961 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (9, 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 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
450

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
4.8
Embodied Energy, MJ/kg 26
66
Embodied Water, L/kg 50
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 73
15
Strength to Weight: Bending, points 21 to 46
16
Thermal Shock Resistance, points 22 to 70
130

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.050
Chromium (Cr), % 0 to 0.5
0 to 0.25
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.8
60.7 to 65
Manganese (Mn), % 1.4 to 1.8
0 to 0.5
Molybdenum (Mo), % 0 to 0.3
0 to 1.0
Nickel (Ni), % 0 to 0.3
35 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 0.3
0