In scenarios such as high-pressure transmission in aviation hydraulic systems, deep well drilling in oil exploration, and precision channels for medical intervention equipment, deep hole pipes need to possess the three core characteristics of "high strength, corrosion resistance, and high-precision pore forming". Baoji Dingding Titanium Products Co., Ltd. is based on the advantages of the entire industry chain of "China Titanium Valley", focusing on the three core grades of TC4, TC11, and TC18, to create customized titanium alloy deep hole pipes. The pipe diameter covers 0.5mm-80mm, and the outer diameter of the pipe is 6mm-300mm, which can achieve ultra long distance deep hole deviation free processing, providing "high reliability, strong adaptability, and ultra precision" deep hole pipe solutions for aerospace, petroleum exploration, medical, marine engineering and other fields.

1、 Core brand performance: precise matching of deep hole requirements in multiple fields

TC4, TC11, and TC18 titanium alloys each have their own performance focuses. For the special use scenarios of deep hole pipes, they achieve differentiated coverage of strength, temperature resistance, and corrosion resistance, meeting the requirements of channel transmission and structural support under different working conditions.

2、 Core advantage of deep hole machining: breaking through the barriers of precision forming technology

The deep hole machining of titanium alloy requires extremely high equipment accuracy and process control. Our company relies on exclusive deep hole drilling and boring equipment and customized machining processes to achieve three major technological breakthroughs:

1. Ultra precision pore forming

Using a CNC deep hole drilling machine combined with diamond cutting tools, the coaxiality error of the hole is ≤ 0.01mm/m, and the inner wall roughness Ra is ≤ 0.2 μ m. The 0.5mm ultra-fine deep hole can achieve a length of 500mm without deviation through, fully meeting the precision fluid transmission requirements of medical intervention catheters and the high-pressure sealing requirements of aviation hydraulic pipes. The pass rate of hole forming is over 99.5%.

2. Ultra long specification processing capability

It can process titanium alloy deep hole pipes with a single length of up to 12 meters, and ensure the straightness of the hole throughout the entire process, avoiding problems such as uneven fluid resistance and stress concentration during long-distance transmission. It is suitable for ultra long downhole operations of petroleum deep well drilling pipes and the through hydraulic channel requirements of aircraft fuselage.

3. Customized composite process

According to the requirements of different scenarios, composite processes such as hardening treatment of the inner wall of the borehole (hardness increased to HV400 or above), adhesion of anti-corrosion coatings, and high-pressure sealing treatment can be synchronously implemented. After special strengthening, TC18 deep hole pipes can withstand 150MPa high-pressure fluid impact, meeting the extreme pressure resistance requirements of military equipment.

3、 Multi domain deep adaptation: empowering core components of high-end equipment

1. Aerospace field: Core carrier for high-pressure fluids and high-temperature channels

TC4 titanium alloy deep hole tube is the core pipe material of aviation hydraulic systems. Its smooth deep hole inner wall can reduce hydraulic oil transmission resistance, and its pressure resistance performance can cope with a system pressure of 30MPa, ensuring the stable operation of aircraft landing gear and flap hydraulic drive; The TC11 deep hole tube, with its high temperature stability of 500 ℃, is used as a fuel deep hole delivery tube for aircraft engines. In the high-temperature radiation environment of the engine combustion chamber, the hole has no deformation or leakage, and has passed the installation verification of domestic aviation engine manufacturers; TC18 deep hole tube is suitable for aviation load-bearing structural components, which not only achieves structural support but also meets the deep hole channel requirements of internal signal cables or fluids, reducing weight by 40% compared to traditional split type structures.

2. In the field of petroleum exploration: the "drilling pioneer" in the harsh environment of deep wells

The drilling of deep oil wells faces the triple test of high temperature, high pressure, and strong corrosion. TC18 titanium alloy deep hole pipes, with their ultra-high strength of 1150MPa, can withstand downhole pressure and formation compression at the kilometer level. Their deep hole channels can simultaneously achieve drilling fluid transmission and exploration signal transmission. The corrosion-resistant coating on the inner wall can resist the erosion of acidic and alkaline media in the drilling fluid, and their service life is extended by more than 8 times compared to traditional steel deep hole pipes, making them suitable for complex exploration scenarios such as shale gas and deep-sea oil fields.

3. Medical field: Precision channels for interventional devices

TC4 titanium alloy deep hole tube can be processed into 0.5mm ultra-fine deep holes, and the tube has excellent biocompatibility. After polishing treatment, the surface is free of burrs. It is used as the core catheter for interventional medical devices, which can achieve precise drug delivery, vascular guide wire penetration and other functions. Its high strength can ensure the rigid pushing of the catheter in complex human cavities, while also having a certain degree of flexibility, reducing damage to human tissues. It has been supplied to many high-end medical device enterprises.

4. In the field of ocean engineering: deep-sea pressure resistant and corrosion-resistant channels

In deep-sea exploration and marine equipment, TC4 titanium alloy deep hole pipes are used as hydraulic channels and signal pipelines for underwater robots. The deep hole structure can integrate multiple sets of transmission channels, reducing the number of pipe arrangements. Its excellent seawater corrosion resistance (5000 hour salt spray test corrosion rate ≤ 0.0003mm/year) can ensure long-term service in deep sea and meet the demanding requirements of 3000 meter deep sea equipment.

4、 Quality assurance: closed-loop control throughout the entire process

1. Raw material and process control

Adopting high-purity sponge titanium with a purity of ≥ 99.8% for melting and casting billets, uniform annealing treatment is carried out before deep hole processing to eliminate internal stress in the material and avoid problems such as channel deviation and pipe cracking during processing.

2. Full item testing and verification

Each deep hole pipe undergoes coaxiality testing, hydraulic burst testing (with a pressure resistance value of 1.5 times the rated working pressure), and inner wall roughness testing. Additional high and low temperature fatigue testing is added for aviation and military pipes to ensure stable performance under extreme working conditions.

3. Customized service support

We can customize the number of holes (single/multiple) and the direction of the holes (straight/irregular) according to customer needs, providing one-stop services from pipe selection, deep hole processing to surface treatment. Our 24-hour technical team is fully connected to solve the application problems of deep hole pipes in special scenarios.

Baoji Dingding Titanium: Preferred Supplier for Titanium Alloy Deep Hole Tubes

Relying on the industrial cluster advantages and exclusive deep hole processing production line of "China Titanium Valley", the company has achieved large-scale customized production of TC4/TC11/TC18 deep hole pipes, with an annual production capacity of 500 tons, standardized specifications delivered within 7 days, and customized deep hole pipes responded within 20 days. It has served more than 50 leading enterprises in aviation, petroleum, medical and other fields.

Choose Baoji Dingding Titanium Alloy Deep Hole Tube, with precise grade performance, ultra precision deep hole forming, and stable adaptability to working conditions, to build a solid core channel foundation for your high-end equipment and empower safe and efficient operation in harsh scenarios!