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Long Pipe Welding


It is mainly used for socket angle welding of straight pipe and slip on flange, butt welding of straight pipe and welding neck flange in coal mine, anti-corrosion, shipbuilding, petrochemical, chemical, iron tower and other industries.

Welding process

Gas shielded (GMAW) + Argon arc

(TIG / Hot wire TIG) + Argon arc

(TIG / Hot wire TIG) + Gas shielded (GMAW)

Other

Arrangement form

One end fixing, one end moving

Both ends fixing

Both ends Moving

Welding method

Bevel butt welding

Socket angle welding

Two external welding guns directly welding

Single head internal and external two guns welding at the same time

Two internal welding guns bottom welding, two external welding guns filling and capping

Double head internal and external four guns welding at the same time

Choose one or more welding gun

Choose one or more welding gun

Configuration method

Single head two tack welding

Double head two tack welding

Welding quality

Welding seam formation is uniform and beautiful, no appearance defects;

Angle welding meets the requirements of welding angle height and pressure test;

Butt welding meets the requirements of radiographic inspection and mechanical properties inspection.



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