Certifications

STC relies on the expertise of highly qualified personnel. Constant investment in staff training is the heart of the development and innovation system. Our staff is made up of personnel internationally qualified to perform special
welding activities:

• A coordinator of IWT / EWT welding activities (diploma awarded by National Welding Institute)
• IWI-C Welding Inspector (diploma awarded by National Welding Institute)
• Qualified personnel for Non-Destructive Testing in accordance with EN legislation and ASNT TC1A 
• ASME IX and EN 287/9606 qualified welders.

STC has welding qualifications in accordance with ASME IX, EN 288, and EN15614 codes for the following materials: carbon steel, carbon steel for low temperatures, Cr-Mo steels, semi-austenitic stainless steels (AISI304, 316, 316 Ti), austenitic steels (AISI 310), special stainless steels (AISI 321, 347, 904), austenitic-ferritic steels (Duplex F51, Superduplex F53, F55), nickel alloys, bronze-aluminium alloys, Gr.2 titanium alloys.
STC is certified according to ISO9001: 2015. STC certifies appliances, pipes and assemblies in accordance with PED 2014/68/UE.