EN 757:1997

Foreword
Introduction
1 Scope
2 Normative references
3 Classification
4 Symbols and requirements
    4.1 Symbol for the product/process
    4.2 Symbol for tensile properties
    4.3 Symbol for impact properties of all-weld
          metal
    4.4 Symbol for chemical composition of all-
          weld metal
    4.5 Symbol for type of electrode covering
    4.6 Symbol for stress relief treatment
    4.7 Symbol for weld metal recovery and type of
          current
    4.8 Symbol for welding position
    4.9 Symbol for hydrogen content of deposited metal
5 Mechanical tests
    5.1 General
    5.2 Preheating and interpass temperatures
    5.3 Pass sequence
6 Chemical analysis
7 Technical delivery conditions
8 Designation
Annex
A (informative) Bibliography

This standard specifies requirements for classification of covered electrodes based on all-weld metal in the as-welded or stress relieved conditions for manual metal arc welding of steels with a minimum yield strength higher than 500 N/mm2.