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High-Quality Titanium Tubes and Pipes ASTM B338 from China's Leading Suppliers and Factory

Baoji Special Steel is the largest private titanium tube factory in China, offering a complete titanium tube production chain that encompasses everything from raw material melting to the extrusion of hollow billets and rolling into finished tubes. Our products have received certifications including ISO, PED, AD2000, and EIL/BHEL, ensuring high industry standards.
Our titanium pipes are manufactured through advanced extrusion, piercing, and rolling techniques, providing exceptional corrosion resistance, a high strength-to-weight ratio, non-magnetic properties, excellent heat transfer capabilities, and a long service life. These characteristics make our products highly sought after in various sectors, including aerospace, chemical processing, marine engineering, medical devices, and power plants.

Specifications: ASTM B338/ASME SB338, ASTM B861/ASME SB861 & DIN17861

Materials Available: Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.11, Gr.12, Gr.16, Gr.17

Size Range: OD 1.5-219mm, WT 0.3-8.0mm, Length ≤ 18000mm

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To Know About Titanium Tube

Titanium tube has the advantages of light weight, high strength and superior mechanical properties. It is widely used in heat exchange equipment, such as tubular heat exchanger, coil heat exchanger, serpentine tube heat exchanger, condenser, evaporator and conveying pipeline. Many nuclear power plants use titanium tube as the standard tube for their units.

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The seamless titanium tube has high strength. The tensile strength of titanium alloy is 686–1176 MPa, and the density is only about 60% of that of steel, so the specific strength is very high. The hardness of titanium alloy (annealed) is HRC32–38. Seamless titanium tube also has strong corrosion resistance. Titanium at 550°C and below forms a thin and dense oxide film on its surface rapidly, giving it better corrosion resistance than most stainless steel in oxidizing media such as atmosphere, sea water, nitric acid, sulfuric acid and strong alkali.

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Another great thing about titanium is that, just as there are different types of stainless steel, copper, nickel, there are many different grades of titanium tube. ASTM has a variety of standards (principally ASTM B338/ASME SB338, ASTM B265/ASME SB265, ASTM B348/ASME SB348, and ASTM B381/ASME SB381) relating to the "recipes" for titanium grades used in different applications. You will see there are even multiple grades for unalloyed titanium, e.g. GR1, GR2, GR5, GR7, GR9 and GR12 etc.

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Another advantage of titanium tube in medical devices is that it is biocompatible. Not only can the human body tolerate the use of titanium, but it is also nonmagnetic — an increasingly important trait as the use of magnetic resonance imaging (MRI) becomes more common in medical diagnostics.

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Titanium Tube Tensile Requirements

Grade	Tensile Strength, Min		Yield Strength, 0.2% Offset Yield				Elongation in 2 in. or 50mm, Min. %
	Ksi	MPa	Min.		Max.		Elongation in 2 in. or 50mm, Min. %
	Ksi	MPa	Ksi	MPa	Ksi	MPa
1	35	240	20	138	45	310	24
2	50	345	40	275	65	450	20
3	65	450	55	380	80	550	18
5	130	895	120	828			10
7	50	345	40	275	65	450	20
9A	90	620	70	483			15C
9B	125	860	105	725			10
11	35	240	20	138	45	310	24
12	70	483	50	345			18C
16	50	345	70	275	65	450	20
17	35	240	20	138	45	310	24

Frequently Asked Questions

❓ What are the main advantages of titanium tubes over other metal tubes?

Titanium tubes offer a unique combination of light weight, high strength, and superior corrosion resistance. With a density only about 60% of steel and tensile strength of 686–1176 MPa, titanium provides an exceptionally high specific strength. Additionally, titanium forms a dense oxide film that resists corrosion in seawater, nitric acid, sulfuric acid, and strong alkali environments — outperforming most stainless steel grades.

❓ What industries commonly use titanium tubes?

Titanium tubes are widely used in heat exchange equipment (including tubular, coil, and serpentine heat exchangers), condensers, evaporators, and conveying pipelines. They are also a standard material in nuclear power plants and are increasingly used in medical devices due to their biocompatibility and non-magnetic properties.

❓ What are the different grades of titanium tubes available?

There are many grades of titanium tubes available, including GR1, GR2, GR5, GR7, GR9, and GR12, among others. These grades are defined by ASTM standards such as ASTM B338/ASME SB338, ASTM B265/ASME SB265, ASTM B348/ASME SB348, and ASTM B381/ASME SB381, each suited to specific application requirements.

❓ Why is titanium tube preferred in medical device applications?

Titanium is biocompatible, meaning the human body can safely tolerate it without adverse reactions. It is also non-magnetic, which is critically important as MRI (Magnetic Resonance Imaging) technology becomes more prevalent in medical diagnostics. These properties make titanium tubes an ideal material choice for medical implants and devices.

❓ What is the tensile strength range for titanium tube Grade 5 (GR5)?

Titanium tube Grade 5 has a minimum tensile strength of 130 Ksi (895 MPa) and a minimum yield strength of 120 Ksi (828 MPa), with a minimum elongation of 10% in 2 inches or 50mm. Grade 5 is one of the highest-strength titanium grades and is commonly used in demanding structural and aerospace applications.

❓ What is the difference between seamless and welded titanium tubes?

Seamless titanium tubes are manufactured without any weld seam, offering higher structural integrity, uniformity, and pressure resistance — making them ideal for high-pressure and high-temperature applications. Welded titanium tubes are formed by rolling titanium strip and welding the seam, which can be more cost-effective for lower-pressure applications. For critical industrial uses such as heat exchangers and nuclear power equipment, seamless titanium tubes are generally preferred.