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

Baoji Special Steel, the leading private titanium tube manufacturer in China, boasts a comprehensive production chain that includes melting raw materials, extruding hollow billets, and rolling them into finished tubes. Our factory is certified with ISO, PED, AD2000, and EIL/BHEL approvals, ensuring the highest quality standards are met.

Our titanium pipes are manufactured using advanced techniques such as extrusion, piercing, and rolling, offering exceptional corrosion resistance, a high strength-to-weight ratio, non-magnetic properties, excellent heat transfer capabilities, and a lightweight design that ensures a long service life. These features make our products ideal for diverse applications in aerospace, chemical processing, marine engineering, medical devices, and power plants.

Specifications include ASTM B338/ASME SB338, ASTM B861/ASME SB861, and DIN17861, with materials available in Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.11, Gr.12, Gr.16, and Gr.1We offer a size range of OD 1.5-219mm, WT 0.3-8.0mm, and lengths up to 18000mm, catering to the needs of various industries. As a trusted supplier in China, we are committed to delivering high-quality titanium products that meet global demands.

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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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High Strength & Low Density

The tensile strength of titanium alloy is 686–1176 MPa, with a density only about 60% of steel, resulting in an exceptionally high specific strength. Hardness (annealed) reaches HRC 32–38.

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Superior Corrosion Resistance

Below 550 °C, titanium rapidly forms a thin, dense oxide film on its surface. This makes it more corrosion-resistant than most stainless steels in oxidizing media including atmosphere, sea water, nitric acid, sulfuric acid, and strong alkali.

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Biocompatibility

Titanium tube is widely used in medical devices because the human body tolerates titanium exceptionally well. It is also nonmagnetic — an increasingly important trait as MRI use becomes more common in medical diagnostics.

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Multiple Grades Available

Just as there are different types of stainless steel and copper, titanium tube comes in many grades — including GR1, GR2, GR5, GR7, GR9, GR12 and more — to suit a wide range of applications.

📋 ASTM Standards: Titanium tube grades are governed by several key ASTM/ASME standards, principally ASTM B338 / ASME SB338, ASTM B265 / ASME SB265, ASTM B348 / ASME SB348, and ASTM B381 / ASME SB381, each specifying the composition and mechanical requirements for different application grades.

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Titanium Pipe

Titanium Seamless Pipe

Titanium SMLS Pipe

Titanium Tube Tensile Requirements

Grade	Tensile Strength, Min		Yield Strength, 0.2% Offset				Elongation in 2 in. or 50 mm, Min. %
	Ksi	MPa	Min.		Max.
	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 tube over stainless steel tube?

Titanium tube offers a significantly higher strength-to-weight ratio — its density is only about 60% of steel while maintaining tensile strength of 686–1176 MPa. It also provides superior corrosion resistance in oxidizing media such as sea water, nitric acid, and sulfuric acid, outperforming most stainless steel grades in these environments.

❓ What ASTM standards apply to titanium tubes?

The principal ASTM/ASME standards governing 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 composition and mechanical property requirements for each grade.

❓ What titanium tube grades are most commonly used in industrial applications?

The most commonly used grades are Grade 1 (highest purity, most ductile), Grade 2 (the industry workhorse — excellent balance of strength and formability), Grade 5 (Ti-6Al-4V) (highest strength, used in aerospace and high-performance applications), Grade 7 (excellent corrosion resistance with palladium addition), and Grade 12 (enhanced strength and corrosion resistance).

❓ Why is titanium tube used in medical devices?

Titanium is biocompatible, meaning the human body tolerates it without adverse reactions — making it ideal for implants and surgical instruments. Additionally, titanium is nonmagnetic, which is critically important as MRI (Magnetic Resonance Imaging) becomes increasingly common in medical diagnostics. Titanium implants do not interfere with MRI scans, unlike ferromagnetic metals.

❓ What heat exchange equipment commonly uses titanium tubes?

Titanium tubes are widely used in tubular heat exchangers, coil heat exchangers, serpentine tube heat exchangers, condensers, and evaporators. Their excellent corrosion resistance and thermal conductivity make them the preferred choice in power generation, chemical processing, desalination plants, and nuclear power facilities, where many plants use titanium tube as the standard specification for their units.

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

Seamless titanium tubes are manufactured without a weld seam, offering higher structural integrity, uniform mechanical properties throughout, and better performance under high-pressure or cyclic loading conditions. Welded titanium tubes are formed from rolled strip and joined by welding, making them more cost-effective for lower-pressure applications. For critical applications such as nuclear power and high-pressure heat exchangers, seamless titanium tubes are generally specified.