• CCWI
• EN473 UT3
• EN473 UT2
• EN473 RT2
• EN473 MT2
• EN473 PT2
• EN473 VT2

Abbreviation of sectors (EN 473 certificates): castings, forgings, welded
joint, tubes, products of remodeling, industry of producing and
processing metal, installation and construction engineering, Pressure
Equipment Directive 97/23/EG.