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

Seamless titanium tube made of extrusion process, welding titanium tube made of sheet metal after welding. General seamless titanium tube wall thickness is relatively small, caliber is relatively small

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  Titanium tube

Executive Standard: ASTM B337, ASTM B338, ASTM B338 B861

Seamless titanium tube:

Diameter: O.D 6-108mm

Wall thickness: 0.5-8mm

Length: up to 15000mm

Welding titanium tube:

Diameter: O.D100- 610mm

Wall thickness: 2-6mm

As long as the welding process clearance, there is no difference when using