SR EN 13445-4:2026

Unfired pressure vessels - Part 4: Fabrication

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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General information

Status : Valid
Approval date : 8/31/2026
Number of pages : 72
ICS : 23.020.30 Pressure vessels
Technical Committee : 225 - Central heating boilers

Relations with other standards:

Replaces SR EN 13445-4+A1:2023