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SAE-AISI O1 Steel vs. SAE-AISI D5 Steel

Both SAE-AISI O1 steel and SAE-AISI D5 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 O1 steel and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
27
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
4.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.5
Embodied Energy, MJ/kg 27
51
Embodied Water, L/kg 51
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
28 to 73
Strength to Weight: Bending, points 21 to 46
24 to 46
Thermal Diffusivity, mm2/s 12
7.4
Thermal Shock Resistance, points 21 to 68
26 to 67

Alloy Composition

Carbon (C), % 0.85 to 1.0
1.4 to 1.6
Chromium (Cr), % 0.4 to 0.6
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95 to 97.4
77.9 to 84.4
Manganese (Mn), % 1.0 to 1.4
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 to 0.6
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 to 1.0

Comparable Variants