Standard
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AS/NZS 4857:2022
[Current]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.
Published: 07/10/2022
Pages: 30
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 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
A.1 ISO 18275-A
A.2 ISO 18275-B
Annex B
B.1 General
B.2 Basic covered electrodes
B.3 Other electrode covering types
Annex C
C.1 General
C.2 Type 10 covering
C.3 Type 11 covering
C.4 Type 13 covering
C.5 Type 15 covering
C.6 Type 16 covering
C.7 Type 18 covering
C.8 Type 45 covering
Annex D
Annex E
Annex F
F.1 XMX (manganese-molybdenum) type
F.2 Other types
Bibliography
Cited references in this standard
[Current]
Welding and allied processes - Determination of hydrogen content in arc weld metal
[Current]
Welding consumables - Technical delivery conditions for filler materials and fluxes - Type of product, dimensions, tolerances and markings
[Superseded]
Welding consumables — Covered electrodes for manual metal arc welding of non-alloy and fine grain steels — Classification
[Current]
Welding consumables - Covered electrodes - Determination of the efficiency, metal recovery and deposition coefficient
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