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SAE-AISI O1 Steel vs. SAE-AISI H11 Steel

Both SAE-AISI O1 steel and SAE-AISI H11 steel are iron alloys. They have a moderately high 93% 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 O1 steel and the bottom bar is SAE-AISI H11 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
74
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
42
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
5.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 51
75

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
25 to 66
Strength to Weight: Bending, points 21 to 46
22 to 43
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 21 to 68
22 to 58

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.33 to 0.43
Chromium (Cr), % 0.4 to 0.6
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95 to 97.4
89.6 to 92.5
Manganese (Mn), % 1.0 to 1.4
0.2 to 0.5
Molybdenum (Mo), % 0
1.1 to 1.6
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
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0.3 to 0.6

Comparable Variants