

Alpha & Near-alpha alloys
Grade 12
Common Shapes
Grade 12 Titanium is commonly available in:
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Sheets and Plates
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Welded Tubes and Pipes
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Wire
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Billet
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Ingot
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Forgings
Characteristics
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Good strength
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Meets ASME code for both strength and pressure at elevated temperatures
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Excellent crevice corrosion resistance
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Advanced resistance to chlorides
Uses
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Chemical processing equipment
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Desalination plant equipment
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Geothermal brine energy extraction
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Hydrometallurgical extraction
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On/Offshore Hydrocarbon refining/production
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Marine components
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Aircraft components
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Pumps
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Valves
Weldability
Grade 12 Titanium has excellent welding characteristics
Machinability
Grade 12 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.
UNS Number
R53400
Composition
Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.25, Nitrogen: ≤0.03, Carbon: ≤0.08, Hydrogen: ≤0.015, Iron: ≤0.30, Nickel: 0.60-0.90, Molybdenum: 0.20-0.40
Ti-5Al-2Sn(-ELI)
Common Shapes
Ti-5Al-2Sn(-ELI) Titanium is commonly available in:
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Ingot
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Billet
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Bars
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Rod
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Sheet & Plate
Characteristics
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Extra Low Interstitial version of Grade 6
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Good toughness and strength in cryogenic use
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Used in cryogenic vessels as low as -255°C
Composition
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.
Uses
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Cryogenic applications
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Airframes
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Jet engine components
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Gas turbine components
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Space vehicles
Weldability
Ti-5Al-2Sn(ELI) Titanium has excellent welding characteristics.
Machinability
Ti-5Al-2Sn(ELI) Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.
UNS Number
R54521
Grade 8
Common Shapes
Grade 8 Titanium is commonly available in:
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Sheet
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Ingot
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Billet
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Bar
Characteristics
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Highly creep resistant
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High strength up to 455°C
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Lowest density and highest modulus of all Titanium alloys
Uses
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Gas turbine components
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Jet engine fan and compressor blades
UNS Number
R54810
Composition
Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.18, Nitrogen: ≤0.05, Carbon: ≤0.08, Hydrogen: ≤0.015, Iron: ≤0.30, Aluminium: 7.35-8.35, Molybdenum: 0.75-1.25, Vanadium 0.75-1.25
Weldability
Grade 8 Titanium has good weldability.
Machinability
Grade 8 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.
Ti-6Al-2Sn-4Zr-2Mo-0.1Si
Common Shapes
Ti-6Al-2Sn-4Zr-2Mo-0.1Si Titanium is commonly available in:
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Ingot
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Bar
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Billet
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Sheet
Characteristics
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Great strength
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Good stability
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Excellent creep resistance up to 550°C
Uses
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Airframes
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Automotive components
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Gas turbine components
Weldability
Ti-6Al-2Sn-4Zr-2Mo-0.1Si Titanium has fair weldability.
UNS Number
R54620
Composition
Alpha structure Titanium Alloy with alloying elements; 0xygen: ≤0.15, Nitrogen: ≤0.05, Carbon: ≤0.10, Hydrogen: 0.0125-0.015, Iron: ≤0.25, Aluminium: 5.50-6.50, Selenium: 1.80-2.20, Zirconium: 3.60-4.40, Molybdenum: 1.80-2.20, Silicon: 0.06-0.10
Machinability
Ti-6Al-2Sn-4Zr-2Mo-0.1Si Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.
Integ Metals // Materials // Titanium // Alpha & Near-Alpha

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Grade 9
Common Shapes
Grade 9 Titanium is commonly available in:
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Plate
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Tubes and Pipes
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Seamless Tube
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Foil
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Wire
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Ingot
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Billet
Characteristics
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Good strength
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Highest strength design allowables under code for pressure vessels
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Good cold fabricability
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20-50% stronger than CP grades
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More formable and weldable than Grade 5
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Excellent combination of strength, weldability and formability
Uses
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Ducting and tubing for use in aircraft
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Consumer goods - watches, spectacle frames, jewellery etc.
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Products for ships and marine use
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Sports and recreation equipment, including golf clubs and bicycle frames
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Foil for honeycomb applications
Weldability
Grade 9 Titanium has good welding characteristics.
UNS Number
R56320
Composition
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
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
Ti-3Al-2.5V
Grade 18
Common Shapes
Grade 18 Titanium is commonly available in:
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Plates
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Welded Tubes and Pipes
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Wire
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Seamless Tubes
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Ingot
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Billet
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Foil
Characteristics
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Palladium enhanced version of Grade 9 Alloy
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Maintains equivalent mechanical properties and fabricability of Grade 9 Alloy
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Elevated resistance to neat reducing acids and crevice corrosion in hot brine media
Uses
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Machinery used in Chemical processing
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Equipment for geothermal brine energy extraction
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Products used for hydromatallurgical extraction
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Offshore hydrocarbon production
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Hydrocarbon production
Weldability
Grade 18 Titanium has very good welding characteristics
UNS Number
R56322
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: 2.30-3.00, 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:
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Plate
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Welded Tubes and Pipes
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Wire
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Seamless Pipes
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Ingot
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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
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Environments exposed to attack by high crevice corrosion temperatures
Characteristics
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Ruthenium enhanced version of Grade 9 Alloy
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Maintains equivalent mechanical properties and fabricability of Grade 9 Alloy
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Approved for sour service to NACE MR-01-75 standard
Grade 6
Common Shapes
Grade 6 Titanium is commonly available in:
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Sheet
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Billet
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Bar
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Ingot
Characteristics
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High strength
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Good high temperature microstructure stability and strength, oxidation and creep resistance
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Good fabricability
Uses
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Cryogenic applications
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Airframes
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Jet engine components
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Gas turbine components
Weldability
Grade 6 Titanium has excellent welding characteristics.
UNS Number
R54520
Composition
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
Grade 6 Titanium is not best suited to machining. The best results are achieved using slow speeds, accurate cooling flow and high feed rates.
An Introduction
Alpha and Near-Alpha Titanium Alloys are the traditional high temperature alloys. They have a near-single phase structure, giving them excellent creep characteristics, whilst offering the good strength of Alpha-Beta Alloys (up to 600MPa). The predominant alloying element in Near-Alpha Alloys is Aluminium, providing excellent strength and resistance to oxidation, at high temperatures. It was during the research into Near-Alpha Alloys that the detrimental phenomenon of Ti₃Al was discovered. The way this stress corrosion occurance is avoided is to cap Aluminium content at 6% for the standard alloys, although specialist alloys can still feature up to 9%. Included Alpha phase stabilisers in Alpha and Near-Alpha Alloys are Oxygen, Nitrogen and Carbon, whilst Beta isomorpheous and eutectic elements Molybdenum, Vanadium, Iron, Nickel, Hydrogen and Silicon also feature.
All grades, shapes and specifications of Near-Alpha Titanium Alloys are available directly through Integ Metals, so please feel free to read through the information on this page for reference, or contact us directly with your requirements.