Certifications of tecniques and welders have been carried out by accredited inspection bodies.

-» SAW (submerged arc) welding technique according to ASME standard.

• Process: 12

• Position: 1G, 1F and 2F

• Thickness range: 5 – 200 mm according to ASME standard, 20 – 80 mm according to EN-288 standard

• Certified welders: 1

-» MIG and MAG welding technique, according to EN-288 standard.

• Process: 136

• Position: PA (1G and 1F according to ASME standard)

• Thickness range: Greater than 5 mm

• Certified welders: 1

-» MIG and MAG welding technique, according to EN-288 standard.

• Process: 131

• Position: PA (1G and 1F according to ASME standard)

• Thickness range: 3 – 20 mm

• Certified welders: 2

-» Coated electrode welding technique, according to EN-288 standard.

• Process: 111

• Position: PF (3G, 3F and 5G rising, according to ASME standard)

• Thickness range: 3 – 20 mm

• Certified welders: 2