Historical
DIN EN 13445-4:2016
Unfired pressure vessels - Part 4: Fabrication; German version EN 13445-4:2014 (Foreign Standard)
This Part of the European Standard EN 13445 specifies requirements for the manufacture of unfired pressure vessels and their parts, made of steels, including their connections to non-pressure parts. It specifies requirements for material traceability, manufacturing tolerances, welding requirements, production tests, forming requirements, heat treatment, repairs and finishing operations.
Deutsches Institut für Normung [din]