Titanium Grade5 Welded Tube

It is a tubular product made from Ti-6Al-4V titanium alloy. It is made by longitudinally welding titanium sheet or strip. It has Grade5's high strength, corrosion resistance, and heat treatability, with a weld seam as the key structural feature.

Welded seam undergoes P+T treatment, ensuring minimal welding deformation and a clean, smooth surface.

1. Raw Material Preparation:

Hot-rolled coils for welded pipes, surface derusting to remove oxide scale and impurities

2. Forming:

Roll forming of steel coils into hollow cylindrical shells, ensuring uniform diameter and consistent wall thickness

3. Welding:

High-frequency induction welding (HFW) or submerged arc welding (SAW) for seamless joint formation, ensuring weld strength meets standard requirements

4. Post-welding Heat Treatment:

Stress relief annealing at 600–650°C for 2–5 hours, air-cooled to eliminate welding residual stress and improve material toughness

5. Finishing:

Trimming of pipe ends, cold drawing or sizing for precise dimensions, deburring of inner and outer weld seams

6. Inspection:

Dimensional checks , Weld inspection, Mechanical testing.

Shielding RequirementEffective shielding is critical. The weld zone must be fully protected with high-purity argon. Oxygen content shall be controlled to < 20 ppm during welding and maintained until the workpiece cools below 400°C .

Filler MetalUse Ti-6Al-4V (ERTi-5) filler metal. For medical applications, select the ELI grade (ERTi-5ELI).

Post-Weld Heat Treatment (PWHT)Annealing at 700–760°C with controlled cooling is recommended. This restores ductility and reduces residual stresses, particularly for critical components.

Chemical composition verification

Mechanical testing

NDT: 100% RT/UT on weld seams; hydrostatic pressure test

Dimensional inspection

Production Capacity

Monthly production capacity for titanium tubes: 100 metric tons.

Equipped with sufficient production facilities to promptly process customer orders.

Logistics & Delivery

Cooperate with professional port logistics companies.

Provide multiple overseas delivery options:

Sea freight

Land-sea combined transport

Air freight

Qualifications & Certifications

Awarded EN ISO 9001:2015 and EN 9100:2018 (European aerospace products)

Quality Control

Established an in-house testing center equipped with more than 10 advanced testing instruments. We provide the third-party testing as per requirements.

Benefit from a superior industrial cluster, high production efficiency, and high yield rate. Able to provide competitive prices and reliable after-sales service. For more information,please contact us via email: Sam.Rui@bjrh-titanium.com.

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