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59626 - Avesta E309L-17 Stainless Steel Stick Electrode 3.2mm

Packaging: 4.54kg tube
$58.00/kg $174.61/4.54kg tube only $38.46/kgSave 34%

In stock

OVERVIEW

The Ultimate Problem-Solver Rod for Dissimilar Steels

Every welder knows the headache of walking into a repair job with "mystery metal" or needing to bracket a stainless tank to a mild steel frame. The Avesta E309L-17 3.2mm stick electrode is your go-to solution for these challenges. Known as the "dissimilar rod," it is formulated to bridge the gap between stainless steel and carbon steel without cracking or failing under stress.

What makes this Avesta rod stand out is how beautifully it runs. If you are used to fighting sticky stainless rods with heavy spatter, you will appreciate the smooth, buttery arc of this E309L-17. It runs perfectly on AC or DC+, making it compatible with almost any buzz box or industrial power source in your shop. The slag practically lifts itself off as it cools, leaving a shiny, professional-looking bead with fine ripples that requires minimal grinding.

Use this 3.2mm (1/8") rod for medium-to-heavy gauge materials. It's perfect for welding brackets, repairing clad steel, or laying down that critical first pass on a carbon steel surface before you cap it with standard stainless. The high alloy content ensures the weld remains ductile and strong, even when diluted by the mild steel base metal. Keep a pack of these in your rod oven, and you'll be ready for any mixed-metal job that comes through the door.

Additional Information
Brand:Avesta
Diameter:3.2mm (1/8")
AWS Spec:E309L-17
Grade:309
Weld Process:Stick (SMAW)
Polarity:AC/DCEP
Rod Type:Stick Electrode
AWS Classification:E309L-17
Core Material:Stainless Steel
Coating Type:Rutile-Acid
Welding Position:All Position, Flat, Horizontal, Vertical-Up, Overhead
Applications:Dissimilar Joints, Buffer Layers, Stainless to Mild Steel
Packaging Description:4.54kg tube
Packaging:10 lb Tube

INCLUDED

  • Avesta E309L-17 Stick Electrodes (3.2mm diameter)
  • Protective packaging

APPLICATIONS

  • Joining stainless steel (Type 304/304L) to mild or low-alloy carbon steel
  • Buffer layers on carbon steel prior to stainless overlay
  • Welding clad steels
  • General maintenance and repair of dissimilar metal equipment
  • Fabrication of transition joints in piping and structural supports

FAQ

They are primarily used for welding dissimilar metals, such as joining stainless steel to mild steel, and for applying buffer layers on carbon steel.

Yes, the E309L-17 coating is designed to operate smoothly on both AC (Alternating Current) and DC+ (Direct Current Electrode Positive).

For a 3.2mm (1/8") E309L electrode, the recommended current range is typically between 70 and 110 Amps, depending on the position and base metal thickness.

It is used to coat mild steel with a stainless layer before applying the final stainless filler (like 308L). This prevents the mild steel from diluting the final stainless layer, ensuring corrosion resistance.

Yes, like most stainless stick electrodes, they should be stored in a dry environment. If exposed to moisture, re-baking is recommended to prevent porosity in the weld.

You can, but E308L is the preferred match for 304-to-304 welding. E309L is specifically over-alloyed to handle dilution from mild steel, so using it on 304-304 is acceptable but unnecessary and more expensive.

The 'L' stands for Low Carbon. This reduces the risk of carbide precipitation during welding, which helps maintain the corrosion resistance of the stainless steel.