ISO/TR 20172:2021
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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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 International grouping system for European materials
4.1 Types of steel in accordance with the grouping system of ISO/TR 15608:2017, Table 1
4.2 Types of aluminium and aluminium alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 2
4.3 Types of copper and copper alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 3
4.4 Types of cast iron in accordance with the grouping system of ISO/TR 15608:2017, Table 7
4.5 Types of nickel and nickel alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 4
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 International grouping system for European materials
4.1 Types of steel in accordance with the grouping system of ISO/TR 15608:2017, Table 1
4.2 Types of aluminium and aluminium alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 2
4.3 Types of copper and copper alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 3
4.4 Types of cast iron in accordance with the grouping system of ISO/TR 15608:2017, Table 7
4.5 Types of nickel and nickel alloy in accordance with the grouping system of ISO/TR 15608:2017, Table 4
Bibliography