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

Baoji Special Steel is a leading factory in China, specializing in the production of titanium tubes. As the largest private titanium tube manufacturer in the country, we have a comprehensive production chain that includes melting raw materials, extruding hollow billets, and rolling them into high-quality finished tubes. Our products are certified by ISO, PED, AD2000, and EIL/BHEL, ensuring top-notch quality and reliability.

Manufactured through advanced techniques such as extrusion, piercing, and rolling, our titanium pipes boast exceptional corrosion resistance, a high strength-to-weight ratio, non-magnetic properties, and excellent heat transfer capabilities. These lightweight tubes offer long service life and are widely utilized in various industries, including aerospace, chemical processing, marine engineering, medical devices, and power plants.

Specifications: ASTM B338/ASME SB338, ASTM B861/ASME SB861, and DIN 17861.

Materials we offer include Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.11, Gr.12, Gr.16, and Gr.17.

Size Range: Outer Diameter (OD) of 1.5-219mm, Wall Thickness (WT) of 0.3-8.0mm, and Length up to 18,000mm.

Product Details

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.

💪 High Strength: Tensile strength of titanium alloy is 686–1176 MPa, with density only ~60% of steel, delivering exceptional specific strength. Hardness (annealed) is HRC 32–38.
🛡️ Superior Corrosion Resistance: At temperatures below 550°C, titanium forms a thin, dense oxide film — outperforming most stainless steels in atmosphere, seawater, nitric acid, sulfuric acid, and strong alkali environments.
📐 Multiple Grades Available: ASTM standards (B338/SB338, B265/SB265, B348/SB348, B381/SB381) cover a wide range of titanium grades including GR1, GR2, GR5, GR7, GR9, GR12 and more.
🏥 Biocompatible for Medical Use: Titanium is well-tolerated by the human body and is nonmagnetic — a crucial advantage as MRI usage grows in medical diagnostics.

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. For instance, 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. If you look at the specs, you will see there are even multiple grades for unalloyed titanium, e.g. GR1, GR2, GR5, GR7, GR9 and GR12 etc.

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

Product Display

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 stainless steel tubes?

Titanium tubes offer a superior strength-to-weight ratio — their density is only about 60% of steel while maintaining tensile strength of 686–1176 MPa. They also provide better corrosion resistance in aggressive environments such as seawater, nitric acid, sulfuric acid, and strong alkali, making them ideal for demanding industrial and marine applications.

❓What industries commonly use titanium tubes?

Titanium tubes are widely used in heat exchange equipment (tubular heat exchangers, condensers, evaporators), nuclear power plants, chemical processing, marine engineering, aerospace, and medical device manufacturing due to their exceptional strength, corrosion resistance, and biocompatibility.

❓What are the most common titanium tube grades and their differences?

Common grades include GR1 (purest, most ductile), GR2 (most widely used, good balance of strength and formability), GR5 (Ti-6Al-4V, highest strength), GR7 (excellent corrosion resistance with palladium addition), GR9 (moderate strength, good weldability), and GR12 (enhanced corrosion resistance). Each grade is suited for specific applications and environments.

❓Which ASTM standards apply to titanium tubes?

The principal ASTM standards for titanium tubes include ASTM B338/ASME SB338 (seamless and welded tubes for condensers and heat exchangers), ASTM B265/ASME SB265 (strip, sheet, and plate), ASTM B348/ASME SB348 (bar and billet), and ASTM B381/ASME SB381 (forgings). These standards define the chemical compositions and mechanical properties for each grade.

❓Why is titanium tube preferred in medical device applications?

Titanium is biocompatible, meaning the human body tolerates it well without adverse reactions. Additionally, titanium is nonmagnetic, which is critical for patients who require MRI (Magnetic Resonance Imaging) scans. These properties make titanium tubes the preferred choice for surgical implants, medical instruments, and diagnostic equipment.

❓What is the minimum tensile strength of Grade 2 titanium tube?

Grade 2 titanium tube has a minimum tensile strength of 50 Ksi (345 MPa), a minimum yield strength of 40 Ksi (275 MPa), a maximum yield strength of 65 Ksi (450 MPa), and a minimum elongation of 20%. Grade 2 is the most commonly used grade due to its excellent combination of strength, ductility, and corrosion resistance.

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