• Advanced welding consumables for a range of applications

    TRI S 309HF-O


Special flux cored self shielded stainless steel wire for open arc welding

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Technical information

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Product Details

  • Alloy Type: Stainless Steels
  • Cracks: No
  • Machinable: Yes
  • Multi-layer: Yes
  • EN ISO Classification(s): EN ISO 17633-A: T Z 25 9 U NO 3
  • Base Metal(s) to Weld: 1.4713, 1.4762, 1.4746, 1.4724, AISI 446, 1.4832, 1.4742, UNS S44600, AISI 442, 1.4828, 1.4825, UNS S44200, 1.4710, AISI 309, 1.4712, 1.4740, UNS S30900, 1.4729, 1.4826, 1.4741, 1.4833, 1.4745
  • Welding Processes: FCAW-S


  • Austenitic type deposit with high delta ferrite content, allowing an improved tolerance to dilution on a wide range of steels
  • The weld beads produced have a self-releasing slag covering that leaves a clean surface
  • Sound deposits are obtained even in the presence of cross draughts
  • Primary choice for cladding and rebuilding applications, but also suitable for joining
  • Ideal solution for outdoor jobs

Wear type suitability:


Welding Positions:

  • Flat
  • Half down
  • Half up

Welding products and techniques evolve constantly. All descriptions, illustrations and properties given on this site are subject to change without notice and can only be considered as suitable for general guidance. This information is intended to help the user make the correct choice of product but it is the responsibility of the user to assess the suitability for their intended application. Information may vary by region, please consult your local subsidiary.

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