Titanium Round Pipe

Product name:Titanium round pipe
Type:Seamless pipe,Welded pipe
Standard:ASTM B337,B338
Size:OD5mm-219mm*WT0.5mm-15mm*Length

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Description

definition of titanium round pipe

Titanium round pipes are tubular metal materials with a circular cross-section, primarily made of titanium (Ti) or titanium alloys.

Simply put, they are "hollow tubes made of titanium." Due to the unique physical and chemical properties of titanium, this type of tubing plays a vital role in modern industry and is known as "space metal" or "marine metal."

Basic Definitions and Materials of titanium round pipe

Basic Definitions and Materials:

Material Composition: It is not a single pure metal, but a family of materials.
Pure Titanium Tubes: Grades such as Gr1, Gr2, Gr3 (with varying impurity content; Gr2 is the most commonly used).
Titanium Alloy Tubes: Grades such as Gr5 (Ti-6Al-4V), whose strength is significantly increased by adding elements such as aluminum and vanadium.
Appearance: Silvery-white in appearance with a metallic luster, uniform wall thickness, and a standard circular cross-section.
Dimensions: Its outer diameter is generally 5-219mm, wall thickness is 0.1-50.0mm, and length can be customized according to requirements, usually not exceeding 6000mm.

Performance characteristics of titanium round pipe

High Strength: Titanium round tubes have strength comparable to high-quality steel, but their density is only about 60% of steel, resulting in a high specific strength (strength to weight ratio). This allows them to withstand heavier loads while reducing structural weight.
Corrosion Resistance: A dense oxide film forms on the surface of titanium round tubes, providing excellent corrosion resistance against seawater, strong acids, strong alkalis, chloride ions, etc., resulting in a lifespan far exceeding that of carbon steel.
Good Thermal Stability: Titanium round tubes maintain high specific strength even at high temperatures of 450-500℃, and exhibit outstanding low-temperature performance. For example, TA7 titanium tubes retain their plasticity even at ultra-low temperatures of -253℃.
Excellent Biocompatibility: Titanium round tubes are non-toxic and harmless, with excellent biocompatibility with human tissues. They do not induce immune responses in the human body and can be safely used in the medical field.
Other Characteristics: Titanium round tubes also possess characteristics such as a low coefficient of linear expansion, non-magnetic properties, and poor thermal and electrical conductivity. These properties give them unique advantages in certain special environments.

Manufacturing process of titanium round pipe

Seamless titanium tubes: These are typically produced using a piercing rolling process. Solid titanium ingots are heated and softened, then rolled on a brake rolling mill using rolls and a conical mandrel to gradually create a cavity inside the tube wall. After multiple rolling, annealing, and straightening processes, a dimensionally precise, smooth-surfaced seamless titanium tube is obtained.
Welded titanium tubes: These are generally produced by pre-treating titanium plates through flattening, cutting, and cleaning, then rolling them into a tubular shape. They are then welded using automated arc welding equipment, followed by cold working and heat treatment to achieve optimal weld properties.

Application areas of titanium round pipe

Aerospace: Due to its high strength, low density, and good thermal stability, titanium tubing is widely used in aircraft and spacecraft fuselage structures, fuel systems, and rocket engine components.
Medical: Based on its excellent biocompatibility, titanium tubing can be used to manufacture human implants, such as dental implants, joint replacement prostheses, and spinal implants, and can also be used to make surgical instruments.
Marine Engineering: The corrosion resistance of titanium tubing to seawater makes it an ideal material for offshore platform piping systems, subsea pipelines, and seawater desalination equipment.
Petrochemical: In petroleum refining and chemical production, titanium tubing can be used to manufacture reactors, heat exchangers, and pipelines, resisting the erosion of various corrosive media.
Automotive: Titanium tubing is commonly used in components such as exhaust systems in high-performance automobiles, helping to reduce vehicle weight and improve fuel economy and performance.