Standard
Track updates
AS/NZS ISO 21952:2025
[Current]AS/NZS 21952:2025 specifies requirements for classification of wire electrodes, wires and rods for gas shielded metal arc welding and tungsten inert-gas welding of creep-resisting steels, and for their deposits in the as-welded or post-weld heat-treated condition
Published: 08/08/2025
Pages: 16
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 General
4.2 Classification systems
5 Symbols and requirements
5.1 Symbol for the product or process
5.2 Symbol for the chemical composition of wire electrodes, wires, and rods
5.3 Symbol for the mechanical properties of all-weld metal
5.3.1 Classification by chemical composition – System A
5.3.2 Classification by tensile strength and chemical composition – System B
5.4 Symbol for shielding gas
5.4.1 Classification by chemical composition – system A
5.4.2 Classification by tensile strength and chemical composition – system B
6 Mechanical tests
7 Preheating and interpass temperatures
8 Welding conditions and pass sequence
9 Chemical analysis
10 Rounding procedure
11 Retest
12 Technical delivery conditions
13 Examples of designation
13.1 General
13.2 Example 1 – Classification by chemical composition – system A
13.3 Example 2 – Classification by tensile strength and chemical composition – system B
13.4 Example 3 – Classification by chemical composition – system A
13.5 Example 4 – Classification by tensile strength and chemical composition – system B
13.6 Example 5 – Classification by chemical composition – system A
13.7 Example 6 – Classification by tensile strength and chemical composition – system B
13.8 Example 7 – Classification by chemical composition – system A
13.9 Example 8 – Classification by tensile strength and chemical composition – system B
Bibliography
Cited references in this standard
[Current]
Welding consumables - Technical delivery conditions for filler materials and fluxes - Type of product, dimensions, tolerances and markings
[Current]
Welding - Measurement of preheating temperature, interpass temperature and preheat maintenance temperature
[Current]
Welding consumables - Gases and gas mixtures for fusion welding and allied processes
[Current]
Welding consumables - Test methods - Part 1: Preparation of all-weld metal test pieces and specimens in steel, nickel and nickel alloys