Dear,
As a Welding Engineer, selecting the appropriate electrode or filler material for a job involves several considerations. Both the ASME and EN standards provide guidelines to assist in making these choices.
For instance, in the case of welding S355J2 to S355J2, you would consider the following:
Material Compatibility: Ensure the electrode or filler material is compatible with the base metal. For S355J2, a common filler material would be one that matches or exceeds the mechanical properties of the base metal.
Mechanical Properties: The chosen filler material should meet or exceed the tensile strength, toughness, and other mechanical properties required for the joint.
Welding Process: The welding process being used (e.g., SMAW, GTAW, GMAW) will also influence the choice of electrode or filler material.
Standards and Specifications:
For welding S355J2 to S355J2, a commonly used electrode is E7018 (according to AWS) or an equivalent from EN, such as E 42 4 B 42 H5 (according to EN ISO 2560). This electrode is chosen because it provides good toughness and meets the mechanical property requirements of S355J2.
Procedure:
I hope this provides a clear approach to selecting the appropriate electrode or filler material for welding S355J2 to S355J2.
AB
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