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ER309LSi has a higher level of silicon than ER309L combined with a carbon content lower than ER309. The increased silicon level provides better arc stability and a smoother bead appearance while an average 02% carbon level reduces carbide precipitation. Typical applicationswould include those of ER309 and ER309L.

  • Size: 5/32 in.
  • Length: 36 in.
  • Weight: 10 lb
  • Material: ER309LSi Stainless Steel
  • Carbon Content: 0.02%
  • Silicon Content: Higher than ER309L
  • Compliance: AWS A5.9 ER309LSi

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