R58150 Titanium vs. SAE-AISI O6 Steel

R58150 titanium belongs to the titanium alloys classification, while SAE-AISI O6 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is SAE-AISI O6 steel.

UNS R58150 Titanium (Ti-15Mo)SAE-AISI O6 (T31506) Oil-Hardening Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		140
Elastic (Young's, Tensile) Modulus, GPa		180

Poisson's Ratio		0.32
Poisson's Ratio		0.29

Shear Modulus, GPa		52
Shear Modulus, GPa		71

Tensile Strength: Ultimate (UTS), MPa		770
Tensile Strength: Ultimate (UTS), MPa		670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g		410
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1760
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		1700
Melting Onset (Solidus), °C		1390

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		8.4
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		48
Base Metal Price, % relative		2.3

Density, g/cm³		5.4
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		31
Embodied Carbon, kg CO₂/kg material		1.5

Embodied Energy, MJ/kg		480
Embodied Energy, MJ/kg		21

Embodied Water, L/kg		150
Embodied Water, L/kg		47

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		32
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		40
Strength to Weight: Axial, points		24 to 74

Strength to Weight: Bending, points		35
Strength to Weight: Bending, points		22 to 47

Thermal Shock Resistance, points		48
Thermal Shock Resistance, points		22 to 69

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		1.3 to 1.6

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.3

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

Hydrogen (H), %		0 to 0.015
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.1
Iron (Fe), %		94.6 to 97.7

Manganese (Mn), %		0
Manganese (Mn), %		0.3 to 1.1

Molybdenum (Mo), %		14 to 16
Molybdenum (Mo), %		0.2 to 0.3

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.3

Nitrogen (N), %		0 to 0.050
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.2
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.55 to 1.5

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		83.5 to 86
Titanium (Ti), %		0