Approvals

Our Approvals are available in PDF format here:

Aerospace industry

• Airbus Deutschland - german
• Airbus UK - english
• Airbus France (EADS/Matra) - Witten, Krefeld - english
• BAE SYSTEMS - english
• Bombardier Aerospace - english
• Eurocopter - german
• GKN Aerospace - english
• Hawker Beechcraft - english
• Liebherr-Aerospace Lindenberg GmbH - german
• Messier-Dowty - english
• Nadcap (AC7003) Heat Treating - english
• Raytheon Aircraft - english
• Rolls-Royce - english
• ST Aerospace Engineering Pte Ltd Singapore - english
• Westland Helicopters - Hagen - english
• Westland Helicopters - Siegen - english

Pressure Equipment

• Pressure Equipment Directive AD2000W0 / DGRL 97/23/EG - german, english
• Pressure Equipment Directive DGRL 97/23/EG - Witten/Krefeld - english
• AD2000 W0 - Witten/Krefeld - english

Conformity certificates

• Conformity certificate - products for metal construction acc. to technical standard 4.4.1 - Witten, Krefeld - german
• Conformity certificate - stainless, acid and heat-resistant steels - Witten, Krefeld - german
• Conformity certificate - stainless, acid and heat-resistant steels - construction supervision approval Z-30.3-6 - Siegen, Hagen - german
• Certificate of the european community (EC) for the internal control of the production - EN 10088-9 - CE-sign - german

General company approvals

• American Bureau of Shipping - Witten, Krefeld - english
• Bureau Veritas - Witten - english
• Bureau Veritas - Krefeld - english
• Bureau Veritas - Siegen, Hagen - english
• Class NK - english
• Det Norske Veritas - Witten - Steel forgings - english
• Det Norske Veritas - Witten - Steel making & rolled steel products - english
• Det Norske Veritas - Siegen
• Det Norske Veritas - Krefeld - english
• Deutsche Bahn AG - interim confirmation - Witten, Krefeld - german
• Germanischer Lloyd - Witten, Krefeld - hot rolled and forged bar steel - german, english
• Germanischer Lloyd - Siegen - solid crude steel and semi-finished products - german, english
• Germanischer Lloyd - Siegen - bar steel and semi-finished products - german, english
• Germanischer Lloyd - Hagen - wire rod - german, english
• Nuclear power plant - approval acc. to KTA 1401 - english
• Nuclear power plant - approval acc. to KTA 3201.1 Kap 2.4 - Witten, Krefeld - english
• Lisega AG - Witten, Siegen, Hagen - german, english
• Lloyd's Register - EN 10025-1 - Witten - english
• Lloyd's Register - Witten - Steelmaking and bars - english
• Lloyd's Register - Witten - Forgings - english
• Lloyd's Register - Siegen - Steelmaking and bars - english
• Lloyd's Register - Krefeld - Forgings - english
• RINA - Steel Forgings - english

Approvals by suppliers

• Supplier Approval of the Schaeffler group (FAG, INA und LUK)
  (For the DEW plant Witten)
• Supplier Approval of the Schaeffler group (FAG, INA und LUK)
  (For the DEW plant Siegen)

Duplex steel according to Norsok M-650

• Qualification Test Record (QTR) N° 01 - Production route Siegen
  (Approval for UNS S 31803 bar material according to Norsok M-650 Rev. 3)
• Qualification Test Record (QTR) N° 02 - Production route Witten
  (Approval for UNS S 31803 bar material according to Norsok M-650 Rev. 3)