Procedures and Certifications

CWB welding procedures for carbon steel, aluminium, stainless steel and numerous complex alloys in various processes such as:


TSSA certificate of authorization and quality system

  • Fabrication and assembly of pressure piping at our facility and field site installationin accordance with CSA standard B51 & ASME code B31.1 power piping.
  • Fabrication and assembly of pressure piping at our facility and field site installationin accordance with CSA standard B51 & ASME code B31.3 process piping.
  • Repair and alteration of boilers, pressure vessels, piping and category A, B, E & H Type fittings at our facility and at field sites in accordance with CSA standard B51.
  • Fabrication of welded and non-welded category B, E & H type fittings at our facility in accordance with CSA standard B51.

Codes and standards

  • CSA W47.1 & W47.2
  • CSA W59.1 & W59.2
  • ASME B31.1 & ASME B31.3
  • CSA B51
  • API 620 & API 650 for tanks
  • Various CSA, ASME and ASTM standards/codes