AS/NZS 4857:2022
Welding consumables — Covered electrodes for manual metal arc welding of high-strength steels — Classification
AS/NZS 4857:2022 identically adopts ISO 18275:2018, which specifies requirements for classification of covered electrodes and deposited metal in the as‐welded condition and in the post‐weld heat‐treated condition for manual metal arc welding of high‐strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa.
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AS/NZS 4857:2022 Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 General
4.2 Compulsory and optional sections
5 Symbols and requirements
5.1 Symbol for the product/process
5.2 Symbol for tensile properties of all-weld metal
5.3 Symbol for impact properties of all-weld metal
5.4 Symbol for chemical composition of all-weld metal
5.5 Symbol for type of electrode covering
5.6 Symbol for condition of post-weld heat treatment of all-weld metal
5.7 Symbol for electrode efficiency and type of current
5.8 Symbol for welding position
5.9 Symbol for diffusible hydrogen content of deposited metal
5.10 Mechanical property and composition requirements
6 Mechanical property tests
6.1 General
6.2 Preheating and interpass temperatures
6.3 Pass sequence
7 Chemical analysis
8 Rounding procedure
9 Retests
10 Technical delivery conditions
11 Examples of designation
Annex A (informative) Classification systems
Annex B (informative) Description of types of electrode covering — Classification by yield strength and 47 J impact energy
Annex C (informative) Description of types of electrode covering — Classification by tensile strength and 27 J impact energy
Annex D (informative) Notes on diffusible hydrogen
Annex E (informative) Description of chemical composition symbols — Classification by yield strength and 47 J impact energy
Annex F (informative) Description of chemical composition symbols — Classification by tensile strength and 27 J impact energy
Bibliography
Previous versions
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AS/NZS 4857:2022 Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 General
4.2 Compulsory and optional sections
5 Symbols and requirements
5.1 Symbol for the product/process
5.2 Symbol for tensile properties of all-weld metal
5.3 Symbol for impact properties of all-weld metal
5.4 Symbol for chemical composition of all-weld metal
5.5 Symbol for type of electrode covering
5.6 Symbol for condition of post-weld heat treatment of all-weld metal
5.7 Symbol for electrode efficiency and type of current
5.8 Symbol for welding position
5.9 Symbol for diffusible hydrogen content of deposited metal
5.10 Mechanical property and composition requirements
6 Mechanical property tests
6.1 General
6.2 Preheating and interpass temperatures
6.3 Pass sequence
7 Chemical analysis
8 Rounding procedure
9 Retests
10 Technical delivery conditions
11 Examples of designation
Annex A (informative) Classification systems
Annex B (informative) Description of types of electrode covering — Classification by yield strength and 47 J impact energy
Annex C (informative) Description of types of electrode covering — Classification by tensile strength and 27 J impact energy
Annex D (informative) Notes on diffusible hydrogen
Annex E (informative) Description of chemical composition symbols — Classification by yield strength and 47 J impact energy
Annex F (informative) Description of chemical composition symbols — Classification by tensile strength and 27 J impact energy
Bibliography
Previous versions
AS/NZS 4857:2022
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.