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Re: [MW:35215] SS 420

By Materials & Welding

For welding stainless steel grade 420, which is a martensitic stainless steel, the following electrodes and filler wires are typically recommended:

Welding Electrode

  • AWS E310-16: This electrode is suitable for welding 420 stainless steel and can provide good corrosion resistance and strength.
  • AWS E309-16: This is another option that can be used for dissimilar metal welding, particularly when joining to other stainless steels.

Filler Wire

  • ER310: This filler wire is often used for welding 420 stainless steel and provides similar properties as the E310 electrode.
  • ER420: Specifically designed for martensitic stainless steels, this filler wire can help achieve the desired mechanical properties in the weld.

Additional Tips

  • Preheat the base material if necessary, as it can help reduce the risk of cracking.
  • Use proper post-weld heat treatment to minimize residual stresses and improve toughness.

Always consider the specific application requirements, including mechanical properties and corrosion resistance, when choosing welding consumables.


On Tue, Sep 3, 2024 at 12:34 AM ananth karuppanan <ananthkaruppanan91@gmail.com> wrote:
Dear team,

Kindly suggest the welding electrode & filler wire for the base material SS 420.

Welding process -GTAW & SMAW 
Pipeline welding in power plant 

Thanks & Regards,
Ananth Karuppanan.
Mobile : +91-9597936444

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