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ISO/TR 20172:2021

Current Date published:

Welding — Grouping systems for materials — European materials

This document establishes a European grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608.

It is also applicable for other purposes such as heat treatment, forming and non-destructive testing.

This document covers grouping systems for the following standardized materials:

a) steel;

b) aluminium and its alloys;

c) copper and its alloys;

d) cast irons;

e) nickel and nickel alloys.

For materials that are not assigned to a group in this document, the criteria of ISO/TR 15608 apply.

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ISO/TR 20172:2021

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