Welding

Welding at WOLL

Over 60 years of welding excellence
For more than 60 years, we have been your trusted partner as a certified welding specialist. Whether it’s MAG, MIG, laser, robotic or manual welding, we can provide the optimum welding process to meet your specific requirements.

Our core expertise lies in the manufacture of welded structures for mechanical and plant engineering. In addition, we successfully serve a wide range of industries, including vessel, apparatus and piping construction, train vehicle manufacturing, and general steel and facade construction. Our services range from large welded assemblies such as casings, housings and consoles to precision welding of individual components such as heat exchangers, reactors and media distributors.

Your needs

Are our speciality

Austenitic steels (CrNi steels)

  • 8.1 Stainless steels (Cr
  • 8.2 Stainless steels (Cr > 19%)


Austenitic-ferritic steels

  • 10 Stainless steels (duplex)


Aluminium alloys TIG-DC and aluminium alloys TIG-AC

  • 23.1 Aluminium-magnesium-silicon alloys


Nickel and nickel alloys

  • 43 Stainless steels


Structural steels with a specified minimum yield strength

  • 1.1 ReH
  • 1.2 ReH


Thermomechanically rolled fine-grained structural steels

  • 2.1 ReH
  • 2.2 ReH > 460N/mm²


Titanium alloys

  • 53 Alpha-beta alloys such as Ti-3Al-2,5V; Ti-6Al-4V

DIN EN ISO 3834-2 Quality requirements for fusion welding of metallic materials


DIN EN 1090

  • Part 1
  • Part 2 Steel support structures (EXC3)
  • Part 3 Aluminium support structures (EXC2)

  • DIN EN 15085 CL1 Welding of rail vehicles and parts

  • AD2000-Merkblatt HP0 and Pressure Equipment Directive 2014/68/EU

Services

Welding

Laser welding

automated

Materials: Austenitic steels (CrNi steels), aluminium alloys, structural steels with a specified minimum yield strength, thermomechanically rolled fine-grained structural steels

  • Trumpf disc laser, maximum laser capacity up to 4000 W, pulse or continuous wave operation available
  • Trumpf PFO 33 processing head for remote welding (precision welding of arbitrary 2D contours at extremely high welding speeds)
  • Trumpf BEO d70 processing head with motor focussing for deep penetration and heat conduction welding, with or without filler material
  • Dual station workpiece positioner, component weight up to 750 kg
  • Welding speeds up to 20 m/min and sheet thicknesses of 0.5 mm to 6 mm

MIG/MAG welding process

manual and automated

Materials: Austenitic steels (CrNi steels), aluminium alloys, structural steels with a specified minimum yield strength, thermomechanically rolled fine-grained structural steels

  • Cloos Qineo Champ 450 power supply, 40 A to 450 A welding current capacity
  • Dual axis workpiece positioner, component weight up to 5 tonnes
  • Single axis workpiece positioner, component weight up to 10 tonnes
  • Six-axis robot arm attached to a three-axle linear portal for maximum accessibility up to a component size of approx. 4000 mm x 3000 mm x 3000 mm
  • Welding speeds up to 120 cm/min and sheet thicknesses of 2 mm to 20 mm

Plasma welding process

automated

Materials: Austenitic steels (CrNi steels), structural steels with a specified minimum yield strength, thermomechanically rolled fine-grained structural steels

  • EWM Tetrix Plasma power supply, 350 A welding current capacity
  • Hot wire/cold wire feeder
  • Welding speeds of up to 90 cm/min
  • Dual axis workpiece positioner, component weight up to 5 tonnes
  • Single axis workpiece positioner, component weight up to 10 tonnes
  • Six-axis robot arm attached to a three-axle linear portal for maximum accessibility up to a component size of approx. 4000 mm x 3000 mm x 3000 mm
  • Welding speeds up to 120 cm/min and sheet thicknesses of 2 mm to 12 mm

Tig welding process

manual, orbital and automated

Materials: Austenitic steels (CrNi steels), austenitic-ferritic steels, aluminium alloys, nickel and nickel alloys, structural steels with a determined minimum yield strength, titanium alloys

  • TIG process with and without cold wire feeder
  • Hollow-wrist robot and compact welding torch for the best possible accessibility for components with complex geometries
  • Dual axis workpiece positioner, component weight up to 500 kg
  • Welding speeds up to 20 cm/min and sheet thicknesses of 1 mm to 10 mm

Get in touch

We look forward to hearing from you. Our representative will be happy to help.

Enquiries
+49 681 9 70 24 – 82