LATERAL ELECTRO-CONDUCTION DEVICE AND METHOD FOR MULTI-WIRE SUBMERGED ARC INNER/OUTER WELDING OF STRAIGHT-SEAM STEEL PIPE

Process for the production of thin-walled hollow profiles which are composed of nonferrous metals and have small diameters

METHOD OF PREPARING A PIPE-SECTION

Method for producing a welded ring

LONGITUDINAL SEAM WELDED STEEL PIPE

Carrier component for a vehicle application, and method for producing a carrier component of this type

Thick, long seam welding system and method for distortion control and non post weld heat treatment of pipeline hot tap fittings

Control head and magnetic holder for automatic welding

Method of Manufacturing Small-Diameter Stainless Pipe

Welded structural member production method and welded structural member

Method for producing a multi-layer large pipe

Method for producing composite filter tube and filter element made of multilayer metal mesh and metal powders

Stainless steel weldment and pad combined welding method

ABRASION RESISTANT WELDED STEEL PIPE AND METHOD OF PRODUCING THE SAME

Thick welded steel pipe excellent in low temperature toughness, manufacturing method of thick welded steel pipe excellent in low temperature toughness, and steel plate for manufacturing thick welded steel pipe

Submerged arc welding method for steel plate

High strength steel pipe for low-temperature usage having excellent buckling resistance and toughness of welded heat affected zone and method for producing the same

Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same

Submerged arc welding method with multiple electrodes for steel material

High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the same

WELDED BUTT JOINTS ON TUBES HAVING DISSIMILAR END PREPARATIONS

Method for the strengthening of a welded connexion and/or for the increase of tolerance of a welded connexion in relation to fatigue load, element for a tower of a wind turbine, tower of a wind turbine and wind turbine

Coaxial cable including tubular bimetallic outer layer with angled edges and associated methods

Coaxial cable including tubular bimetallic outer layer with bevelled edge joint and associated methods

Coaxial cable including tubular bimetallic inner layer with bevelled edge joint and associated methods

Coaxial cable including tubular bimetallic outer layer with folded edge portions and associated methods

Device and method for controlling welding angle

RESTOTRATION METHOD FOR DETERIORATED PART AND RESTORATION APPARATUS FOR DETERIORATED PART

Seam-welded air hardenable steel constructions

Electric arc welding system

Method for manufacturing multi-component structural members

Process for the continuous production of longitudinally welded metal tubes

Dual seam-welded air hardenable steel tubing and structural members

Electric ARC welding system

Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same

Welding assistance systems