quality control

Pro-Pipe Norway AS offers our customers in the district heating and offshore sector professional coordination in welding technical know-how and quality control of welding work in accordance with welding EN 729.

Our employees are trained and qualified in the following areas:

Welding methods and equipment

Selection of technically most suitable welding method in terms of quality, economy and material
Choosing the most appropriate way to make weld joints based on drawings and specifications.
Be able to initiate repair work on the basis of inspection reports
Be able to prepare a written report documenting that the welding work has been carried out in accordance with the production specifications.

Materials and their weldability

Assessment of the validity of material certificates based on requirements in DS/ISO, DIN and future EN /Euronorm

Assessment and reception of steel based on the certificate’s information on manufacturing process, chemical analysis, mechanical properties and heat treatment
Assessment of the importance of heat intake on the mechanical properties of the Heat Affected Zone (HAZ) and the determination of new welding data based on calculations by heat supply
Take precautions against metallurgical defects – such as tear-out fractures, heat and hydrogen cracks.

Constructive, fabrication and quality controversy

Be able to understand and assess shrinkage and deformations
Calculations of welding stresses and deformations
Be able to take precautions against deformations – including welding fixtures, welding order, free shrinkage and more
Be able to help increase quality through the knowledge of quality management
Be able to judge welding failure
Be able to propose changes in production and construction so that they are weldable.

Calculations, geometry connection with welding technique

Geometric definitions and figures
Plan geometric calculations
Calculation rules for trigonometric calculations
Be able to perform mixed calculations in connection with welding technical tasks
Be able to perform calculations of current, voltage, resistance, electrical components, induction, magnetism, mechanical physics