Approvals
Here you may find information about our current approvals at the most important inspection companies. Please select the desired company in order to receive information about the present certified maximum plate thickness of a steel grade.
Certificates of approvals
The classification societies’ publicly available approval certificates in PDF format can be found in the following table:
Company | Subject | PDF Dillinger | PDF Dillinger France |
American Bureau of Shipping (ABS) | Certificate of Steel Mills Facility and Process Approval & Approval Letter | ||
AFNOR (NF-Acier) | Authorization to affix NF mark on products | ||
British Standard Institute (BSI) | Certificate of Registration - Responsible Sourcing Of Products acc. to BES6001 | - | |
British Board of Agrement (BBA) | UK Certificate of Conformity of the Factory Production Control acc. to BS EN 10025-1 (UKCA) | ||
Bureau of Indian Standards (BIS) | Licence for the use of Standard Mark (IS2062 & IS 2041) | ||
Bureau Veritas (BV) | Approval Certificate For Materials | ||
Central Boilers Board (CBB) | Well Known Steel Maker for the manufacture of boiler quality steel | - | |
Deutsche Bahn (DB) | Herstellerbezogene Produktqualifikation zur Fertigung von Produkten für den Konstruktiven Ingenieurbau | ||
DNV | Approval of Manufacturer Certificate (Steelmaking and Rolled Steel Products) | ||
Karlsruher Institut für Technologie (KIT) | Certificate of conformity of the factory production control acc. Construction Products Regulation (CE-Mark) | ||
Korean Register (KR) | Approval Certificate for Manufacturing Process (Rolled Steels) | - | |
Lloyds Register (LR) | Approved Manufacturer of Steel Plates, Strip, Sections & Bars | ||
LRQA | Certificate of Approval - National Highways Sector Scheme 3B | ||
Nippon Kaiji Kyokai (classNK) | Approval of Manufacturing Process (Rolled Steels) | - | |
Registro Italiano Navale (RINA) | Certificate of Approval of Manufacturers of Materials (Hot Rolled Steel Plates) | - | |
SGS UK | Quality Assurance System (According to Pressure Equipment [Safety] Regulations (UKCA) | ||
SGS TÜV Saar | Qualitätssicherungssystem gemäß Richtlinie 2014/68/EU, Anhang I, Abschnitt 4.3 (Druckgeräterichtlinie)/ Quality Assurenace System acc. to Directive 2014/68/EU, annexe I, section 4.3 (Pressure Equipment Directive) | ||
SGS TÜV Saar | AD2000 Merkblatt W0 und EN764-5, Abs. 4.2/ AD2000 Merkblatt W0 and EN764-5, section 4.2 |
Further certificates
Filter in our download section by the document type ‘Certificates’.

