AS/NZS 4855:2007

1 - AS/NZS 4855:2007 Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification
4 - PREFACE
6 - CONTENTS
7 - INTRODUCTION
9 - 1 Scope
9 - 2 Normative references
10 - 3 Classification
11 - 4 Symbols and requirements
11 - 4.1 Symbol for the product/process
11 - 4.2 Symbol for strength and elongation of all-weld metal
12 - 4.3 Symbol for impact properties of all-weld metal
12 - 4.4 Symbol for the chemical composition of all-weld metal
13 - 4.5 Symbol for type of electrode covering.
14 - 4.6 Symbol for condition of post-weld heat-treatment of all-weld metal
15 - 4.7 Symbol for nominal electrode efficiency and type of current
15 - 4.8 Symbol for welding position
16 - 4.9 Symbol for hydrogen content of deposited metal
16 - 5 Mechanical tests
16 - 5.1 Preheating and interpass temperatures
19 - 5.2 Pass sequence
20 - 6 Chemical analysis
22 - 7 Fillet weld test
25 - 8 Retest
25 - 9 Technical delivery conditions
26 - 10 Examples of designation
27 - Annex A (informative) Classification systems
30 - Annex B (informative) Description of types of electrode covering - Classification by yield strength and 47 J impact energy
32 - Annex C (informative) Description of types of electrode covering - Classification by tensile strength and 27 J impact energy.
35 - Annex D (informative) Notes on diffusible hydrogen
36 - Bibliography
37 - Annex ZA (Informative) HEALTH AND SAFETY

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 non-alloy and fine grain steels with a minimum yield strength of up to 500 N/mm2 or a minimum tensile strength of up to 570 N/mm2.

Originated in Australia as AS B28-1931.
Revised and designated AS 1553.1-1983.
Jointly revised and designated as AS/NZS 1553.1:1995.
Revised and designated AS/NZS 4855:2007.