Welding, pipework and boiler maintenance

Welders, pipe fitters and working foremen for boiler pressure parts, industrial piping, planned shutdowns and workshop fabrication across Europe.

Teams work to the project’s technical requirements, with English-speaking foremen and coordinated transport and posting documentation.

Boiler tube assembly during installation
MASTERWELDBoiler pressure-part assembly
2015Operating since
8Countries of operation
5Welding processes
ISO45001:2018

Clients we have worked with

ANDRITZKANADEVIA INOVAORABHP PRESSURE WELDING

Scope of work

Site installation, maintenance and fabrication in clients’ workshops. Personnel are selected according to the work scope and required qualifications.

01

Boiler maintenance and shutdowns

Welding and installation during planned boiler shutdowns, repairs and modernisation, including replacement of pressure parts, tube panels and superheaters.

02

Industrial pipework

Pipe preparation, fit-up, welding and installation, including valves and associated equipment. Pipe fitters work from isometric drawings and piping and instrumentation diagrams (P&IDs).

03

Workshop fabrication

Welding and fitting in clients’ workshops: pipe spools, tanks, vessels and steel components. Support for ongoing fabrication and additional production requirements.

Boiler and pipework projects

Examples of work carried out by MASTERWELD teams at energy and industrial facilities.

Completed welds on boiler tubes
Welded boiler tubes
01Germany

Giessen

Boiler modernisation

Replacement of boiler pressure parts, tube panels, superheaters and valves, including prefabrication and installation of replacement components.

02Sweden

Västerås

Boiler modernisation

Replacement of superheaters, boiler tube panels, other pressure parts and valves.

03Sweden

Stockholm Exergi

Högdalen and Hässelby

Boiler overhaul work, including replacement of tube-panel sections, superheaters and valves.

04Faroe Islands

Waste-to-energy plant

Piping and equipment installation

Pipework prefabrication and site installation, including pumping equipment, valves and auxiliary equipment.

Processes and qualification ranges

Before assignment, we check the validity and range of each welder’s qualifications against the specified process, product type, weld type, material, thickness, pipe diameter and welding position.

Welding documentation

Welding to the applicable WPS

Welding is carried out in accordance with the welding procedure specification (WPS) supplied for the work and the project’s inspection and traceability requirements.

111MMA

Manual metal arc welding

135MAG · solid wire

MAG welding with solid wire

136MAG · flux-cored wire

MAG welding with flux-cored wire

138MAG · metal-cored wire

MAG welding with metal-cored wire

141TIG

TIG welding with solid filler material

Welder using a mirror to view the weld between boiler tubes
Materials and applications

Welding experience

  • Carbon steels, low-alloy steels and stainless steels
  • Copper-nickel alloys (CuNi) and nickel alloy 625
  • Production welds subject to radiographic testing (RT)
  • Seal welding
  • Fixed-pipe welding in position H-L045
  • Mirror welding where direct visibility is restricted
  • Boiler membrane walls, tube panels and superheaters

Safety management and protective equipment

Preparation for each assignment includes site safety requirements, personal protective equipment and the required training and documentation.

MASTERWELD ISO 45001:2018 certificate
ISO 45001:2018

Occupational health and safety management

MASTERWELD holds ISO 45001:2018 certification for its occupational health and safety management system.

VarioProtect welding helmet with powered air filter unit
TH3

VarioProtect XXL-W TC AIR TH3

Welding helmet with a powered air-purifying respirator (PAPR), class TH3. The system filters particles and welding fumes from the surrounding air. Use is determined by the site risk assessment.

MASTERWELD vehicle for transporting personnelOwn vehicle fleet

Documentation and transport

MASTERWELD coordinates posting documentation, occupational health examinations, safety training, required notifications and transport. Our own fleet supports travel to sites and crew rotations. Requirements are checked for each assignment and may include:

DE · NL · BE · DK · SE · NO · FI · PL
  • A1 certificates
  • Sweden: SSG Entré, Heta Arbeten and ID06
  • Belgium and the Netherlands: B-VCA and VOL-VCA
  • Germany: personal SCC/SGU safety certificates
  • Belgium: Limosa declarations
  • Norway: HMS cards and a-melding reporting

Welding and fit-up on site

Photographs of work carried out by MASTERWELD teams.

TIG welding with restricted access
TIG welding with restricted access
Mirror welding
Mirror welding
Completed welds on boiler tubes
Completed welds on boiler tubes
Boiler tube fit-up
Boiler tube fit-up

Personnel and project requirements

Please provide the site location, planned dates, work scope, required headcount and qualifications. We will confirm availability and the proposed team’s qualifications.

Opens your email application with the details entered. The enquiry is sent when you send the email.