Historical
ONORM EN 13445-4:2021
Unfired pressure vessels - Part 4: Fabrication
This document contains requirements for the manufacture of unfired pressure vessels and pressure vessel parts made of steels, including their connections to non-pressure-bearing parts. It includes requirements for traceability of materials, manufacturing tolerances, welding requirements, requirements for non-welded permanent joints, work samples, forming requirements, heat treatment, repairs and finishing.
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Austrian Standards Institute [on]