ASTM B338 High-Strength Titanium Alloy Tubing

Core Positioning of ASTM B338 Titanium Alloy Tube Products

ASTM B338 titanium alloy tubing materials are high-end industrial pipes specifically designed for condensers and heat exchangers. They are tailored for harsh corrosive and high-temperature/high-pressure working conditions, covering 28 pure titanium and titanium alloy grades, including both seamless and welded manufacturing processes. With the core features of high corrosion resistance, high strength, lightweight, and long lifespan, they address the problems of corrosion, leakage, and short lifespan of traditional metals under extreme conditions. They are key heat exchange and fluid transportation materials in fields such as power, chemical engineering, marine, and aviation.

Key Attributes of TIPTOP’s ASTM B338 Titanium Alloy Tubing

• Outstanding Resistance to Corrosion:

It is hardly affected by corrosion, whether it is in contact with seawater, exposed to chloride ion flow, or immersed in acidic and alkaline solutions. On the contrary, copper alloys or stainless steels would not be able to resist corrosion so effectively under the same conditions; quite the opposite, ASTM B338 titanium alloy tubing, comparatively, can last five to ten times more than other common alloys.

• Light in Weight but Powerful:

It has the same tensile strength as carbon steel but its weight is almost half (about 45% less). This feature, when used in machinery, substantially reduces structural weight and saves energy spent during the operation.

• Exceptionally Effective in High-Temperature Conditions:

Stainless Steel Creep Resistant Its characteristics do not change when used in high-temperature areas. It does not weaken or soften at all and also has excellent creep resistance. It totally can stand up to extended running under high-heat scenarios.

• Non-Magnetic and Biocompatible:

Hence it is very well fitted for those situations where magnetic sensitivity or biocompatibility is a must – for example, medical devices, nuclear power facilities, and high-precision measuring instruments.

• Highly Machinable and Formable:

Its adaptability is so great that it can be subjected to different processing methods including cold bending, flaring, and flattening to accommodate various design features. Complex structural designs are no trouble for this material.

• Consistent and Durable:

Want to avoid regular maintenance? This is your material as it lacks the necessity for almost regular replacements or repairs. Based on a full lifecycle assessment, it actually turns out to be a less expensive ‍‌option.

The applicable working conditions and industries for TIPTOP ASTM B338 titanium alloy tubing products 

ASTM B338 titanium alloy products have strong durability. Besides the general working environment, they can also operate stably in extreme conditions such as seawater/saline water, chloride ion-containing media, acid-base corrosion, high temperature (≤315℃), high pressure, high vacuum, and alternating loads; they can address issues of anti-point corrosion, crevice corrosion, stress corrosion cracking (SCC), and hydrogen embrittlement; they can replace stainless steel/copper alloys, solve the problems of leakage and frequent replacements; they are applicable to media such as seawater, fresh water, steam, organic acids, alkaline solutions, sulfur-containing oil, chemical fluids, and aviation hydraulic oil, and are the preferred choice in multiple engineering fields and industries.

Product Forms Corresponding to Application Scenarios of ASTM B338 Titanium Alloy Tubes Across Various Industries:

Product Forms Corresponding to Application Scenarios of ASTM B338 Titanium Alloy Tubes Across Various Industries

TIPTOP QUALITY ASTM B338 titanium alloy tubing manufacturing process and processing techniques

• Raw material preparation: 0-grade titanium sponge → vacuum melting (VAR/EB) → ingot → forging tube billet
• Hot forming: Tube billet heating → glass lubricated hot extrusion (950–1100℃) → rough tube
• Cold processing: Multiple passes of cold rolling / cold drawing → wall reduction, diameter control, shape control
• Heat treatment: Solution treatment / annealing → stress elimination, microstructure optimization
• Finishing: Acid washing → straightening → fixed length → non-destructive testing → finished product

Welded pipe manufacturing process

• Strip material preparation: Titanium sheet / strip → cutting into strips → forming → high-frequency / argon arc welding.
• Welding seam treatment: Post-weld cold processing → heat treatment → homogenization of weld seam microstructure.
• Finishing inspection: Same as seamless pipe process, ensuring weld seam performance is consistent with the base material.

TIPTOP ASTM B338 Titanium Alloy Tubing: Product Specifications and Supply Forms

Tubing: Seamless Tubes, Welded Tubes, U-Tubes, Coiled Tubing, Precision Capillary Tubes

Complementary Profiles: Round Bars, Hex Bars, Plates/Sheets, Strips, Forgings, Flanges

Dimensional Range (ASTM B338 Standard)

Outer Diameter (OD): Seamless Tubes φ6–φ219mm; Welded Tubes φ10–φ400mm

Wall Thickness (WT): 0.5–20mm

Length: Fixed Length 1–12m; Custom Extra-Long / Extra-Short Lengths Available

Tolerances: Precision Cold-Drawn ±0.05mm; Hot-Rolled ±0.1mm; Wall Thickness ±5% (Standard)

Delivery Condition

Heat Treatment: Solution Treated (M), Annealed (O), Cold Worked (H), Age Hardened

Surface Finish: Pickled, Sandblasted, Precision Peeled, Polished (Internal & External: Ra≤0.8μm), Passivated

TIPTOP ASTM B338 Titanium Alloy Tubing: International Quality Standards and Company Assurance

Quality Assurance and International Standards

Our TIPTOP factory products comply with the ASTM B338/ASME SB-338 (specific for condensers / heat exchangers) standard. The supporting standards include ASTM A370 (mechanics), ASTM E45 (inclusions), ASTM E165 (penetrability), ASTM A388 (ultrasonic), and GB/T 3625 (national standard), etc. Each pipe material undergoes 100% ultrasonic testing (UT), water pressure test, flattening / expansion test before leaving the factory. Batch-by-batch elemental analysis, mechanical property testing, grain size detection are conducted. We can provide material certificates, ultrasonic inspection reports, heat treatment curves, third-party tests (SGS/ABS) and other certificates according to customer requirements, strictly ensuring product quality.

TIPTOP Company’s Advantages

1. Full-process self-control: From melting, forging, extrusion to cold rolling, heat treatment, and finishing, there is no outsourcing. The quality and delivery time are stable.
2. Comprehensive range of grades: Capable of producing the full series of ASTM B338 grades such as Gr.1/2/7/9/12, and customizing special-component titanium alloys.
3. Precision forming capability: Equipped with large extrusion machines and multi-roller cold rolling units, capable of producing high-precision pipes ranging from φ6 to φ400mm with a wall thickness of 0.5mm or more.
4. Mature heat treatment process: Precise temperature control for solution treatment / annealing, ensuring uniform structure and stable performance, suitable for different working conditions.
5. Strict quality control system: Full process traceability, 100% non-destructive testing, qualification rate ≥ 99.5%, in line with ASME/API/nuclear power standards.
6. Customized services: Customizing U-shaped tubes, coils, special lengths / surfaces according to drawings / working conditions, providing material selection and process optimization solutions.
7. Industry experience: Deeply engaged in titanium materials for over a decade, long-term supporting leading enterprises in power, chemical, marine, and aviation sectors, familiar with extreme working condition requirements.
8. Cost and delivery advantages: Large-scale production + short process technology, high cost-effectiveness; regular specifications available in stock, customized orders delivered quickly.