ISO 3581:2016
Welding consumables — Covered electrodes for manual metal arc welding of stainless and heat-resisting steels — Classification
ISO 3581:2016 specifies requirements for classification of covered electrodes, based on the all-weld metal chemical composition, the type of electrode covering and other electrode properties, and the all-weld metal mechanical properties, in the as-welded or heat-treated conditions, for manual metal arc welding of stainless and heat-resisting steels.
It is a combined standard providing for classification utilizing a system based upon classification according to nominal composition or utilizing a system based upon classification according to alloy type.
a) Paragraphs and tables which carry the label "classification according to nominal composition" or "ISO 3581-A" are applicable only to products classified to that system.
b) Paragraphs and tables which carry the label "classification according to alloy type" or "ISO 3581-B" are applicable only to products classified to that system.
c) Paragraphs and tables which carry neither label are applicable to products classified according to either or both systems.
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Foreword
Introduction
1 Scope
2 Normative references
3 Classification
4 Symbols and requirements
4.1 Symbol for the product/process
4.2 Symbol for the chemical composition of all-weld metal
4.3 Symbol for type of electrode covering
4.4 Symbol for effective electrode efficiency and type of current
4.5 Symbol for welding position
5 Chemical analysis
6 Mechanical property tests
6.1 General
6.2 Preheat and interpass temperatures
6.3 Pass sequence
7 Fillet weld test
8 Rounding procedure
9 Retests
10 Technical delivery conditions
11 Examples of designation
Annex A (informative) Types of covering
Annex B (informative) Considerations on weld metal ferrite contents
Bibliography
Previous versions
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Foreword
Introduction
1 Scope
2 Normative references
3 Classification
4 Symbols and requirements
4.1 Symbol for the product/process
4.2 Symbol for the chemical composition of all-weld metal
4.3 Symbol for type of electrode covering
4.4 Symbol for effective electrode efficiency and type of current
4.5 Symbol for welding position
5 Chemical analysis
6 Mechanical property tests
6.1 General
6.2 Preheat and interpass temperatures
6.3 Pass sequence
7 Fillet weld test
8 Rounding procedure
9 Retests
10 Technical delivery conditions
11 Examples of designation
Annex A (informative) Types of covering
Annex B (informative) Considerations on weld metal ferrite contents
Bibliography