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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 applications would include those of ER309 and ER309L.

  • Size: 0.035 in.
  • Length: 36 in
  • Material: Austenitic Stainless Steel
  • Compliance: ANSI/AWS A5.9 ER309LSi, ASME SFA 5.9 ER309LSi

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