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SAE-AISI T5 Steel vs. SAE-AISI O6 Steel

Both SAE-AISI T5 steel and SAE-AISI O6 steel are iron alloys. They have 67% of their average alloy composition in common. There are 21 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 T5 steel and the bottom bar is SAE-AISI O6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
71
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1810
1430
Melting Onset (Solidus), °C 1750
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 21
43
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.3
Density, g/cm3 9.4
7.7
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 170
21
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 25 to 63
24 to 74
Strength to Weight: Bending, points 21 to 39
22 to 47
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 26 to 66
22 to 69

Alloy Composition

Carbon (C), % 0.75 to 0.85
1.3 to 1.6
Chromium (Cr), % 3.8 to 5.0
0 to 0.3
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 60.6 to 68.3
94.6 to 97.7
Manganese (Mn), % 0.2 to 0.4
0.3 to 1.1
Molybdenum (Mo), % 0.5 to 1.3
0.2 to 0.3
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.55 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0

Comparable Variants