GB | Features and Applications |
| TA0 | Industrial pure titanium refers to several non-alloy titanium materials with different contents of impurities such as Fe, C, N, and O. It cannot be strengthened by heat treatment, has excellent forming properties, is easy to be welded and brazed. It is used to manufacture various non-load-bearing components and can work at 300℃ for a long time. |
| TA1 |
| TA2 |
| TA3 |
| TA5 | It has excellent welding properties and corrosion resistance, and is suitable for manufacturing structural components used in marine environments. |
| TA7 | Medium-strength α titanium alloy, which cannot be strengthened by heat treatment. It has good fracture toughness at both room temperature and high temperatures. It has excellent welding properties and can be used to manufacture parts such as casing shells and wall plates. It can work at 500°C for a long time. |
| TA9 | The addition of a small amount of palladium improves the corrosion resistance in oxidizing media, especially the resistance to crevice corrosion, and can be applied in chemical and anti-corrosion engineering. |
| TA16 | Alloy of tubing with good corrosion resistance, low strength, high plasticity, and excellent welding properties. |
| TA10 | Its corrosion resistance is significantly better than pure titanium and is close to TA9. |
| TA11 | It belongs to near-α titanium alloy, with a high elastic modulus and a low density. The strength at room temperature is comparable to TC4, but the high-temperature performance is higher than TC4. It is suitable for manufacturing parts such as engine compressor discs, blades, and casings. |
| TA12 | It is a near-α type heat-resistant titanium alloy that can operate for a long time at 550℃. It has excellent process plasticity and is suitable for manufacturing parts such as compressor discs, drum tubes, and blades of aircraft engines. |
| TA18 | It is a near-α type titanium alloy mainly used for cold-processed tubes. Its welding performance and cold forming properties are superior to those of TC4 alloy. The seamless tubes of this alloy are used in pressure-bearing aviation hydraulic and fuel pipelines systems. |
| TA19 | A near-α type titanium alloy that can operate for a long time at 500℃, with higher high-temperature strength and creep resistance than TA11 alloy. It is suitable for manufacturing compressor casings and aircraft skins of aircraft engines. |
| TA21 | It has low strength but high plasticity, good corrosion resistance and welding performance, and is mainly used for pipes and sheet metal parts. |
| TC1 | The main characteristics of this alloy are slightly higher service strength than pure titanium and excellent process plasticity, combined with good welding performance and thermal stability. It cannot be strengthened by solution treatment and can operate for a long time at 350℃, suitable for manufacturing complex-shaped aviation sheet metal parts. |
| TC2 | It belongs to medium-strength near-α type titanium alloy and cannot be strengthened by heat treatment. It has good impact welding performance and can operate for a long time at 350℃, suitable for manufacturing aviation sheet metal parts. |
| TA15 | It is a near-α type titanium alloy with high aluminum equivalent. It has both the good thermal strength and weldability of α-type titanium alloy and the process plasticity similar to that of α+β-type titanium alloy. TA15 has medium strength, good thermal stability and welding performance. It is suitable for manufacturing aviation parts that operate for a long time at 500℃. |
| TC20 | This alloy replaces the toxic element V in TC4 alloy with the non-toxic element Nb. Its main mechanical properties are comparable to those of TC4. It is a titanium alloy for surgical implants and medical use. To date, its usage has exceeded 200 tons. It is currently in clinical application in China and complies with the ISO-5832-11-2014 standard. |
| Ti-31 | It belongs to medium-high strength weldable near-α titanium alloy. It is resistant to high-temperature seawater corrosion and is suitable for manufacturing parts of ship piping systems. |
| Ti-75 | It belongs to medium-high strength weldable near-α titanium alloy. It is resistant to seawater corrosion and is suitable for manufacturing tube plates of heat exchangers. |
| Ti-55311S | It belongs to near-α type heat-resistant titanium alloy. It can work at 550℃ for a long time and is suitable for manufacturing various high-temperature components of aircraft engines. |
| TC4 | It belongs to medium-high α+β type titanium alloy. It has excellent comprehensive properties and good heat processing performance. It has been widely applied in the aerospace industry. It can work at 400℃. It is suitable for manufacturing fan and compressor discs of aircraft engines, frames and joints, etc. |
| TC6 | It belongs to martensitic α+β type titanium alloy. It can work at 450℃ and has good thermal strength performance. It also has excellent heat processing performance. It is suitable for manufacturing compressor discs and blades of aircraft engines, as well as high thrust, joints, etc. of aircraft components. |
| TC11 | It belongs to α+β type heat-resistant titanium alloy. It can work at 500℃ and has excellent thermal strength performance and high room temperature strength as well as good heat processing performance. It is suitable for manufacturing parts such as compressor discs and blades of aircraft engines and high-thrust, joints, etc. of aircraft components. |
| TC16 | It is a martensitic α+β type titanium alloy, a quasi-high-strength titanium alloy, with a strength of over 1030 MPa after solution treatment, and low stress concentration sensitivity. It is suitable for manufacturing fasteners. |
| TC17 | It is an α+β type high-strength titanium alloy rich in β-stabilizing elements. It has the advantages of high strength, good fracture toughness, high hardenability, and a wide forging temperature range. It is suitable for manufacturing large-section forgings such as fan and compressor discs of aircraft engines, and can work at 490℃ for a long time. |
| TC18 | In the annealed state, it has high strength, and in the quenched state, it has high hardenability (250mm). It is suitable for manufacturing load-bearing components and landing gear parts. |
| TC19 | It is suitable for important components with medium temperature and high strength such as engine compressor discs, fan discs, and blades. |
| TC451 | It has good heat treatment performance, with better plasticity and toughness than Ti-6A1-4V at the same strength. It has good cold and hot forming properties and welding performance. |
| TC21 | It belongs to a high-strength and high-toughness damage tolerance titanium alloy, used for important bearing components of aircraft. |
| ZTC3 | It is a cast titanium alloy with alloying elements Si and rare earth element Ce. It has excellent thermal strength properties below 500℃, good casting performance, no tendency of hot cracking, and can be used to manufacture castings such as aircraft engine casings, rotor blades, supports, and frames. |
| ZTC4 | It is a medium-strength cast titanium alloy that can work at 350℃ for a long time. It is the most widely used cast titanium alloy at home and abroad and can be used to manufacture static aerospace components such as casings, shells, supports, and frames, as well as components with low rotational speed such as rotors. |
| ZTC5 | It is a heat-resistant martensitic α+β type cast titanium alloy. At room temperature, it has high strength-toughness matching and good thermal stability. The casting process performance is excellent, with no cracking tendency. It can be used to manufacture various aerospace static high-strength components. |
| TB2 | In the solution state, it has excellent cold forming performance and welding performance. In the solution aging state, it has high strength and good plasticity matching. It is suitable for use as connection belts for satellites and rockets and aerospace fasteners. |
| TB3 | In the solution state, it has excellent cold forming performance and good welding performance. It has high strength and good plasticity matching in the solution aging state. It is suitable for use as aerospace fasteners and elastic elements. |
| TB5 | It has excellent cold forming performance and can be formed into medium-complex sheet metal parts at room temperature, or undergo superplastic forming at temperatures above 700°C. The welding performance is excellent. It is suitable for manufacturing aerospace sheet metal parts and fasteners. |
| TB6 | It belongs to a high-strength and high-toughness titanium alloy and can be used for isothermal forging. It can be used in aircraft fuselages, wings and landing gear structures. If it replaces high-strength steel of the same strength, it can reduce the structural weight by about 40%. |
| TB8 | It has excellent oxidation resistance, corrosion resistance, and high-strength alloy. It is used to manufacture cold-formed sheet metal parts of medium complexity and high-strength, corrosion-resistant load-bearing components. The titanium foil is the matrix of the composite material. |
| TB9 | It is high-strength, corrosion-resistant, and can be used to make fasteners, springs, torque rods, oil, gas, and geothermal well pipes and shells. The titanium foil is the matrix of the composite material. |
| TB10 | It has a high specific strength, good fracture toughness, high hardenability, excellent heat processing performance and cutting performance. It has been used in petrochemical pressure-bearing components and aerospace high-strength components. |
| TB7 | Excellent corrosion resistance is used for casting parts such as pumps and valves of chemical machinery. |
| Ti-40 | A fire-retardant titanium alloy that can withstand temperatures below 500°C, suitable for aerospace engine components. |