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Titanium 6-2-2-2-2-.25

Annealing Procedure
Soak at 1300-1500 F for 2 hours, air cool.
Applications
Typical applications include airframe and jet engine components.
Cold Workability
The cold working characteristics of this alloy are similar to those found in austenitic stainless steels. In multiple forming operations, intermediate stress relieving is recommended to offset the alloy's tendency to work harden. Post-work annealing is recommended to reattain maximum performance characteristics.
Forgeability
Rough forge at 1650-1750 F, finish at 1600-1700 F.
Formability
Hot forming will reduce both the springback and required forming forces, and will increase the overall ductility of the material.
Hot Workability
Hot forming will reduce both the springback and required forming forces, and will increase the overall ductility of the material.
Machinability
As a family, titanium and its alloys have developed a mystique as a nightmare to machine. This is simply not the case. Experienced operators have compared its characteristics to those found in 316 stainless steel. Recommended practice includes high coolant flow(to offset the material's low thermal conductivity), slow speeds and relatively high feed rates. Tooling should be tungsten carbide designations C1-C4 or cobalt type high speed tools.
Other Comments
Other Physical Properties
Beta Transus (F +/- 25) 1780
Principle Design Features
This is an alpha-beta alloy generally selected for its high strength, fracture toughness and intermediate creep strength. Not generally available at the distributor level, it is widely available from producers in bar, billet, sheet and plate. Beta Transus (F +/- 25) 1780
Weldability
Rated as" limited" in terms of weldability.

Known Forms

Flat Bar
Forgings-Discs
Hexagon Bar
Open Die Forgings
Pipe-Seamless
Pipe-Welded
Plate
Round Bar
Sheet
Square Bar
Strip
Tube-Round (Seamless)
Tube-Round (Welded)
Wire Rod
Wire-Round
Wire-Welding
Billet
Coil
Contour Rings
Fittings
Mandrel Rings
Shafts
Welded Rings

Additional Data

Chemical Elements

Aluminum5.25 - 6.25
Carbon0.05 max
Chromium1.75 - 2.25
Hydrogen0.0125 max
Iron0.25 max
Molybdenum1.75 - 2.25
Nitrogen0.03 max
Oxygen0.14 max
Silicon0.2 - 0.3
Tin1.75 - 2.25
TitaniumBalance
Zirconium1.75 - 2.25

Physical Properties

Density: 0.165lb/in³

Mechanical Properties

Modulus of Elasticity – Tension: 17.7MSI

Thermal Expansion

ConditionMinMaxExpansion Coefficient
Annealed32 °F600 °F5.1 µin/in/°F

Rupture Test Data

ConditionFormTemperatureTimeRupture Strength
Test Specimen AnnealedSheet800 °F100 Hours122 KSI
Test Specimen AnnealedSheet600 °F100 Hours132 KSI
Test Specimen AnnealedSheet400 °F100 Hours142 KSI

Creep Test Data

ConditionFormTemperatureTimeApplied StressCreep Strain
Test Specimen AnnealedSheet800 °F100 Hours0.2 %83 mil/in
Test Specimen AnnealedSheet600 °F100 Hours0.2 %120 mil/in
Test Specimen AnnealedSheet400 °F100 Hours0.2 %122 mil/in

Mechanical Test Data

FormSheet
ConditionSolution Annealed & Aged
Measurement Temperature70°F
Elongation12%
Reduction of Area20%
Tensile Strength170KSI
Yield Strength160KSI
FormSheet
ConditionTest Specimen Annealed
Measurement Temperature70°F
Charpy Impact12J
FormSheet
ConditionTest Specimen Annealed
Measurement Temperature400°F
Elongation19%
Reduction of Area33%
Tensile Strength145KSI
Yield Strength117KSI
FormSheet
ConditionTest Specimen Annealed
Measurement Temperature600°F
Elongation20%
Reduction of Area35%
Tensile Strength140KSI
Yield Strength107KSI
FormSheet
ConditionTest Specimen Annealed
Measurement Temperature800°F
Elongation21%
Reduction of Area40%
Tensile Strength130KSI
Yield Strength102KSI
Periodic Table
Pipe Sizes
Hardness Conversion
Sheet Gauges
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