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Titanium and Titanium Alloy Grades, Characteristics and Applications

It is a heat-treated, strengthened titanium alloy that has good weldability in sheet formability and forging properties. Used to make jet engine compressor blades, impellers, etc. Others such as landing gear wheels and structural parts, fasteners, brackets, aircraft accessories, frames, purlin structure, and pipes are widely used.

Forging has good resistance to cracks, good moldability, good weldability, and no heat treatment. For transmission gearbox housings, jet engine housings and guide vane covers, pipe constructions, etc.
Heat treatment titanium alloy
Formability and resistance to cracking during forging are acceptable. Weldability is good, but it cannot be strengthened by heat treatment. Making jet engine blades, impellers and housings, gyroscopic guide vane covers, nozzles, inner skins and frames, etc.

Titanium alloys that are heat-treatable and strengthened have good resistance to cracking during forging, but have poor weldability. For manufacturing a fastener, the control air inlet guide means, the test structure.

It is a heat-treatable titanium alloy with good formability. When forging, it has certain anti-crack ability, and its weldability is acceptable. It can be used as structural forgings. plate purlin structure, skin, frame, bracket, aircraft accessories, fasteners.

It is a heat-treatable and toughened titanium alloy with good resistance to cracking during forging. Used for manufacturing jet engine blades, impellers, landing gear wheels, aircraft skeleton, fasteners, etc.

Welding is good moldability, good resistance to cracking during forging ability, but not heat strengthened. For the manufacture of compressor blades, impellers, landing gear wheels, spacer compressor chassis assembly, aircraft skeleton, skin components and so on.

    It is a heat-treatable titanium alloy with good forging properties and moldability.
Used to make aircraft skeleton components.

IMI125, IMI130, IMI160
Industrial pure titanium has excellent corrosion resistance, high specific strength, good fatigue limit, good forging properties, and can be forged, formed and welded by ordinary methods. Can be made into plates, rods, wire. Used in aerospace, medical, chemical, etc., such as exhaust pipes, firewalls, heated skin, and parts requiring good plasticity and resistance to corrosion.

    It belongs to α-type titanium alloy and can be welded. It has good oxidation resistance, strength and high temperature stability at 315~593°C. It can produce forgings and plate parts, such as aero-engine compressor blades, shells, and brackets.

    It belongs to α+β-type titanium alloy and can be heat-strengthened and used for aero-engine compressor disks and blades and missile components.

    α + β type alloy, forging and comprehensive performance is good, is commonly used in various countries, titanium alloys, used in aircraft engine compressor plate and blades and other components.

    α + β titanium alloy, easy to forge, good room temperature strength, high creep resistance (below 400 °C), high durability, widely used in the manufacture of engines and wing slides, power control device shell and so on.

It belongs to α+β type titanium alloy high strength titanium alloy. It has high strength and high creep limit (below 400°C). Good forging properties, used to make aircraft components such as landing gear, mounts, gas turbine components, Can also be used for general engineering and chemical, turbine blades, compressor parts and other high-speed rotating parts.

It is a type of α+β type titanium alloy with high specific strength at room temperature and medium temperature. It has good creep resistance at high temperature (520°C), good high temperature stability, weldability, easy processing, and high operating temperature.
Used to make aero engine parts.

It belongs to α+β type titanium alloy, which has good weldability and creep resistance (below 535°C) and excellent thermal stability. This alloy is similar in performance to IMI685 and has the same purpose. For the production of high pressure compressor disks and blades.

     Mainly used for making gas turbine engines and aircraft missile structural parts.

     It has weldability and formability in the as-quenched state, and is used below 350°C.

     Solderable, for jet engine blades and discs

     Be made gas turbine disk, fan blades and structural parts of aircraft and missiles.

     For the production of 250 °C below the frame, honeycomb structure and so on.

     Weldable high-strength titanium alloy has good creep resistance at 520 ℃.

     For the production of jet engine components (such as blades, disc, etc.).

     The alloy has high strength and creep resistance below 400°C.

     Solderable, acceptable moldability, medium strength.

     Plasticity, weldability and high temperature strength are similar to those of industrial pure titanium, and are used for parts and resists up to 350°C.

Low density, high elastic modulus, used in the production of compressor discs, vanes, etc. working below 450°C are important materials for the aviation industry.
Used to make aeroengine rotors and blades that work below 450°C.

The alloy has high strength and good creep resistance and can be welded.
Used for long-term working parts below 500°C, such as aero-engine compressor parts.

Good overall performance, used for high stress mechanical parts working below 350°C.

It is a high-strength titanium alloy that can be heat-treated for forging and has good forging properties.

Used to make aero engine components that operate below 400°C, such as compressor disks, vanes, etc.

The alloy has high strength and hardenability. It is used to make aircraft skeletons and missile forgings that work below 427°C.

Is a heat treatable titanium alloy, It has excellent formability and is used to make aircraft skeletons, skins, honeycomb structures, pressure vessels, and high-strength fasteners.

Domestic and foreign similar (similar) grades comparison table
National standard American Standard Russian standard
TA1 Industrial pure titanium GR1 BT1-0
TA1-1 Industrial pure titanium (plate change) GR1 BT1-00
TA2 Industrial pure titanium GR2  
TA3 Industrial pure titanium GR3  
TA4 Industrial pure titanium GR4  
TA8 Ti-0.05Pd GR16  
TA8-1 Ti-0.05Pd(plate change GR17  
TA9 Ti-0.2Pd GR7  
TA9-1 Ti-0.2Pd(plate change GR11  
TA10 Ti-0.3Mo-0.8Ni GR12  
TA17 Ti-4AL-2V   πT-3B
TA18 Ti-3AL-2.5V GR9 OT4-B
TB5 Ti-15V-3AL-3Gr-3Sn Ti-15333  
TC4 Ti-6AL-4V GR5 BT6
TC1 Ti-2AL-1.5Mn   OT4-1
TC2 Ti-4AL-1.5Mn   OT4
TC3 Ti-5AL-4V   BT6C
TC10 Ti-6AL-6V-2Sn-0.5Cu-0.5Fe Ti-662  
TC24 Ti-4.5AL-3V-2Mo-2Fe    
TA7 Ti-5AL-2.5Sn GR6 BT5-1
TA11 Ti-8AL-1Mo-1V Ti-811  
TA15 Ti-6.5AL-1Mo-1V-2Zr   BT-20
Titanium and titanium alloy mechanical properties
Grade Room temperature mechanical properties, not less than High temperature mechanical properties, not less than
Tensile strength σb MPa Yield strength σ0.2
MPa elongation δ5 % Shrinkage ψ % Impact value αk J/cm2 Test temperature °C Tensile strength σb MPa Durability σ 100 MPa
TA1 343 275 25 50 --      
TA2 441 373 20 40 --      
TA3 539 461 15 35 --      
TA5 686 -- 15 40 58.8      
TA6 686 -- 10 27 29.4 350 422 392
TA7 785 -- 10 27 29.4 350 490 441
TC1 588 -- 15 30 44.1 350 343 324
TC2 686 -- 12 30 39.2 350 422 392
TC4 902 824 10 30 39.2 400 618 569
TC6 981 -- 10 23 29.4 400 736 667
TC9 1059 -- 9 25 29.4 500 785 588
TC10 1030 -- 12 25~30 34.3 400 834 785
TC11 1030 -- 10 30 29.4 500 686 588
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