Grade 9

Common Shapes

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Grade 9 Titanium is commonly available in:

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• Plate

• Tubes and Pipes 

• Seamless Tube

• Foil

• Wire

• Ingot

• Billet

Characteristics

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• Good strength

• Highest strength design allowables under code for pressure vessels

• Good cold fabricability

• 20-50% stronger than CP grades

• More formable and weldable than Grade 5

• Excellent combination of strength, weldability and formability

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Uses

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• Ducting and tubing for use in aircraft

• Consumer goods - watches, spectacle frames, jewellery etc.

• Products for ships and marine use

• Sports and recreation equipment, including golf clubs and bicycle frames

• Foil for honeycomb applications

Weldability

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Grade 9 Titanium has good welding characteristics.

UNS Number

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R56320

Composition

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Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.15, Nitrogen: ≤0.02, Carbon: ≤0.08, Hydrogen: ≤0.015, Iron: ≤0.25, Aluminium: 2.50-3.50, Vanadium: 0.20-0.30

Machinability

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Grade 9 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.

Common Names

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Ti-3Al-2.5V

Grade 18

Common Shapes

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Grade 18 Titanium is commonly available in:

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• Plates

• Welded Tubes and Pipes 

• Wire

• Seamless Tubes

• Ingot

• Billet

• Foil

Characteristics

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• Palladium enhanced version of Grade 9 Alloy

• Maintains equivalent mechanical properties and fabricability of Grade 9 Alloy

• Elevated resistance to neat reducing acids and crevice corrosion in hot brine media

Uses

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• Machinery used in Chemical processing

• Equipment for geothermal brine energy extraction

• Products used for hydromatallurgical extraction

• Offshore hydrocarbon production

• Hydrocarbon production

Weldability

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Grade 18 Titanium has very good welding characteristics

UNS Number

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R56322

Composition

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Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.15, Nitrogen: ≤0.03, Carbon: ≤0.08, Hydrogen: ≤0.015, Iron: ≤0.25, Aluminium: 2.50-3.50, Vanadium: 2.30-3.00, Palladium: 0.04-0.08

Machinability

​

Grade 18 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.

Grade 28

Common Shapes

​

Grade 28 Titanium is commonly available in:

​

• Plate

• Welded Tubes and Pipes 

• Wire

• Seamless Pipes

• Ingot

• Billet

Weldability

​

Grade 28 Titanium has good weldability, although special alloy-specific filler must be used.

Machinability

​

Grade 28 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.

UNS Number

​

R56323

Composition

​

Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.15, Nitrogen: ≤0.03, Carbon: ≤0.08, Hydrogen: ≤0.015, Iron: ≤0.25, Aluminium: 2.50 - 3.50, Vanadium: 2.00-3.00, Ruthenium: 0.08-0.14

Uses

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• Applications exposed to seawater

• Environments exposed to attack by high crevice corrosion temperatures

Characteristics

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• Ruthenium enhanced version of Grade 9 Alloy

• Maintains equivalent mechanical properties and fabricability of Grade 9 Alloy

• Approved for sour service to NACE MR-01-75 standard

Grade 6

Common Shapes

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Grade 6 Titanium is commonly available in:

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• Sheet

• Billet

• Bar

• Ingot

Characteristics

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• High strength

• Good high temperature microstructure stability and strength, oxidation and creep resistance

• Good fabricability

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Uses

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• Cryogenic applications

• Airframes

• Jet engine components

• Gas turbine components

Weldability

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Grade 6 Titanium has excellent welding characteristics.

UNS Number

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R54520

Composition

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Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.20, Nitrogen: ≤0.05, Carbon: ≤0.08, Hydrogen: ≤0.02, Iron: ≤0.50, Aluminium: 4.00-6.00, Selenium: 2.00-3.00. 

Machinability

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Grade 6 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.