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Diameters / Packaging

1 lb Package
10 lb Package
10 lb. box
1/8 in. 316LSi 316ST60
1/8" POP 316ST6011POP
1/16" 316ST30
3/32" 316ST50
3/32" POP 316ST5011POP



ER316LSi Stainless Steel GTAW (TIG) welding alloy


ER316LSi Stainless steel GTAW (TIG) welding rod is primarily used to weld low carbon molybdenum-beaing austenitic alloys. The lower carbon content of .03% max. is used to avoid carbide precipitation. The additional silicon content increases the wetting action and yields a smooth bead.


  • Stainless steel 316LSi welding rod welds type 316 and similar alloys
  • Successfully used for high temperature applications
  • 88,000 psi tensile strength (as welded)
  • 59,000 psi yield strength (as welded)
  • 40% elongation; 60% reduction of area (as welded)
  • 89 HRB Rockwell B hardness (as welded)
  • 180 HRB Brinell hardness (as welded)
  • 45 ft./lb. @ room temperature Charpy V (as welded)
  • Conforms to ANSI/AWS A5.9, ASME SFA 5.9 CLASS ER 316LSi

Typical Applications

  • Maintenance and repair
  • Power generation
  • Process industries

Welding Positions

  • All

Shielding Gas

  • 98% Ar/ 2% O2


Warning -

Cancer and Reproductive Harm -