Standard
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AS/NZS ISO 16834:2025
[Current]AS/NZS ISO 16834:2025 identically adopts ISO 16834:2025, which specifies requirements for the classification of wire electrodes, wires, rods and all-weld metal deposits in the as-welded, and post-weld heat-treated (PWHT), condition for gas shielded metal arc welding and tungsten inert-gas welding of high-strength steels with a minimum yield strength greater than 500 MPa, or a minimum tensile strength greater than 570 MPa.
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 Symbols for the product/process
5.2 Symbols for strength and elongation properties of all-weld metal
5.2.1 Classification by yield strength and 47 J impact energy – System A
5.2.2 Classification by tensile strength and 27 J impact energy – System B
5.3 Symbol for impact properties of all-weld metal
5.3.1 Classification by yield strength and 47 J impact energy – System A
5.3.2 Classification by tensile strength and 27 J impact energy – System B
5.4 Symbol for shielding gas
5.5 Symbol for the chemical composition of wire electrodes, wires and rods
5.6 Symbol for condition of post-weld heat treatment
5.6.1 Classification by yield strength and 47 J impact energy – System A
5.6.2 Classification by tensile strength and 27 J impact energy – System B
6 Mechanical tests
7 Preheating and interpass temperatures
8 Welding conditions and pass sequence
8.1 General
8.2 Post-weld heat-treated condition
8.2.1 Classification by yield strength and 47 J impact energy – System A
8.2.2 Classification by tensile strength and 27 J impact energy – System B
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 yield strength and 47 J impact energy – System A
13.3 Example 2 - Classification by tensile strength and 27 J impact energy – System B
13.4 Example 3 – Classification by yield strength and 47 J impact energy – System A
13.5 Example 4 - Classification by tensile strength and 27 J impact energy – System B
13.6 Example 5 - Classification by yield strength and 47 J impact energy – System A
13.7 Example 6 – Classification by tensile strength and 27 J impact energy – System B
Annex A
A.1 XMX type
A.2 NXMX type
A.3 NXCXMX type
A.4 Other types
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
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