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ASTM B338 Titanium Seamless Tube

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Description

Product Attributes

Brand: JIADE Group

Place Of Origin: China

Outer Diameter: 6mm~114mm

Standard Wall Thickness: 0.5mm~6.0mm

Fixed Length: 1.5 m, 3 m, and 6 m standard stock lengths; custom cuts available from 0.5 to 12 m; supports extra-long tubes specifically designed for heat exchangers

Delivery Condition: Annealed, stress-relieved; optional surface treatments include bright acid pickling and mechanical polishing

Applicable Standards: ASTM B338 / ASME SB338

Packaging & Delivery

Product Description

What Is ASTM B338 Titanium Tube?

ASTM B338 Titanium Tube is an internationally recognized standard for seamless and welded titanium and titanium alloy tubes specifically designed for condensers, evaporators, and heat exchangers. It covers 28 Titanium Material grades and is tailored for corrosive operating conditions in heat exchange equipment; it also serves as the authoritative standard for the export of heat exchange tubing in the seawater, chemical, power, and offshore engineering industries.

Our factory specializes in ASTM B338 seamless titanium tubes, which are manufactured through hollow billet piercing, hot extrusion, and multi-pass cold rolling. These tubes are seamless and free of welding defects, fully complying with all mandatory requirements of the standard regarding dimensional tolerances, mechanical properties, non-destructive testing, hydrostatic testing, and flattening and flaring tests. We supply a full range of products, including pure titanium Grades 1, 2, and 3, corrosion-resistant Grade 7, high pressure alloy Grade 9, and high strength Grade 5.

Key Advantages

1. Exceptional corrosion resistance, completely eliminating perforations and leaks in heat exchangers

The surface of titanium automatically forms a dense, stable passivation film of titanium dioxide, which remains stable over the long term in seawater, chloride ions, salt spray, sulfides, dilute acids and alkalis, and recirculating water environments—preventing rust, pitting corrosion, scaling, and leaks. Compared to 316L Stainless Steel Pipe, its service life in seawater heat exchange environments is 5–10 times longer, significantly reducing equipment downtime, maintenance, and tube replacement costs.

2. High Heat Transfer Efficiency, Low Scaling, and Long Term Stability

The inner walls are smooth, have low surface roughness, and exhibit extremely poor adhesion, making it difficult for impurities in the medium to adhere. During long-term operation, the tubes do not become clogged or accumulate scale, and the heat transfer coefficient experiences minimal decline, ensuring the heat exchanger operates efficiently year-round and delivering significant energy savings and reduced consumption.

3. Fatigue Resistance in Hot-Cold Cycles, Suitable for 24 Hour Continuous Operation

The tubing undergoes vacuum stress-relief annealing, resulting in a stable internal microstructure. It withstands long-term thermal cycling, fluid impact, and equipment vibration without deformation, cracking, or delamination, making it ideally suited for continuous industrial heat exchangers.

4. Lightweight, High-Strength, Non Magnetic, and Clean

With a density of only 4.51 g/cm³, the equipment experiences minimal load pressure; non-magnetic and free of heavy metal leaching, it does not contaminate the medium and is suitable for use in pharmaceutical, food, and high-purity fluid heat exchange systems.

5. Seamless, one-piece construction for superior pressure resistance and sealing

With no weld seams or welding defects, the tubes exhibit excellent structural uniformity. After tube expansion, they achieve a high degree of fit, minimizing the risk of weld seam leaks. Their safety under high-pressure and vacuum conditions far exceeds that of welded titanium tubes.

Applications

1. Power and Energy Industry: Seawater condensers for power plants, circulating water cooling heat exchangers, and heat exchanger tube bundles for nuclear power plants;

2. Marine and Shipbuilding Engineering: Coolers for offshore platforms, shipboard evaporators, and heat exchange coils for seawater desalination;

3. Chemical and Chlor-Alkali Industry: Acid and alkali evaporators, electroplating cooling heat exchangers, and waste heat recovery equipment;

4. Oil and Gas Industry: Oilfield cooling tube bundles, desulfurization and denitrification heat exchangers, and downhole corrosion-resistant heat exchange piping;

5. Food, Pharmaceutical, and Fine Chemicals: Clean-medium evaporators and aseptic cooling heat exchange equipment;

6. Aviation Equipment: Hydraulic oil cooling heat exchangers and small-scale heat exchange piping for aircraft.

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