Our Team

Dimartech is a dynamic company that brings together a team of highly experienced craftsmen, welders, draftsmen and designers, with the drive and expertise of its president, John Di Marzio (P.Eng., M.Eng). The resulting synergy gives Dimartech the edge in creating the most specialized industrial equipment.

Qualifications and Welding Processes

Our welding procedures and our welders' qualifications are approved by the Canadian Welding Bureau and ASME Sect.IX for the following processes:

Qualifications

• CSA/CWB W47.1, W59
• ASME Sect. VIII Div.1 Pressure Vessels (U Stamp)
• ASME B31.1, B31.3 Power and Process Piping
• CSA B-51 M Pressure Vessels
• NBIC R Stamp (Repairs and Modifications)

Welding Processes

• CSA/CWB W47.1, W59
• ASME Sect. IX Div.1 Pressure Vessels
• FCAW - Flux Cored Arc Welding
• GMAW - Gas Metal Arc Welding
• GTAW - Gas Tungsten Arc Welding
• SMAW - Shielded Metal Arc Welding

Our quality control manual is approved by the Québec government's inspection board for pressure vessel fabrication (Régie du Bâtiment du Québec). The Régie is an authorized inspector for vessel fabrication for all of Canada .

Base Materials

The following base materials are approved for use with our welding procedures:

Austenitic and ferritic stainless steels

• 304L, 316L, 317L, 254 SMO, AL6XN, 310, 330, 321,347, Duplex 2205, 409, 410, 440

High temperature nickel alloys

• Inconel 600, Hastelloy B, Hastelloy C-276, 253MA, Carpenter 20 (Alloy 20)

Carbon steels

• A36, CSA G 40.21- 44W, Weldox 700, SA-516.70, SA-106B, QT 100 (Quenched and Tempered), Astralloy-V (550 HR_B)