Unfired pressure vessels. Fabrication
23.020.30 - Gas pressure vessels, gas cylinders
Reemplaza a: BS EN 13445-4:2009+A1:2011
This document 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, requirements for permanent joints other than welding, production tests, forming requirements, heat treatment, repairs and finishing operations.
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