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EN 13445-4:2021+A1:2023 Standard

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  Keywords:

#requirements #specifies #welding #parts #heat

  Directive

Pressure equipment Directive (2014/68/EU)

  Last Official Journal reference

Monday 12th of January 2026

  Description:

Unfired pressure vessels - Part 4: Fabrication

  Purpose

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.

  Publication

Friday 31st of January 2025

  Amendment

This standard is an amendment for "EN 13445-4:2021"

  Related Standards

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EN 12952-2:2021

Pressure equipment Directive (2014/68/EU)

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