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SL309L2P4 - Selectarc E309L-16 3.2mm Stainless Stick Electrodes - 5kg Pack

Packaging: 5 kg tube
$46.50/kg $145.30/5 kg tube only $29.06/kgSave 38%

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SKU: SL309L32P4 Categories: ,

OVERVIEW

Premium Grade E309L-16 Stainless Steel Electrodes

The Selectarc E309L-16 is a high-performance rutile-basic coated stick electrode designed for the Shielded Metal Arc Welding (SMAW) process. Engineered to meet the rigorous AWS A5.4 E309L-16 classification, this consumable is essential for industrial applications requiring the joining of dissimilar metals, specifically stainless steel to carbon or low-alloy steels. The 3.2mm diameter is versatile for medium-to-heavy fabrication tasks, providing excellent deposition rates while maintaining control over the weld pool.

Metallurgically, the E309L-16 composition features a high chromium (approx. 23%) and nickel (approx. 12%) content, which ensures a ferritic-austenitic microstructure. This specific chemistry provides exceptional resistance to hot cracking, a common issue when welding restrained joints or dissimilar materials. The 'L' designation indicates a low carbon content (maximum 0.04%), which significantly reduces the risk of carbide precipitation at the grain boundaries, thereby preserving the corrosion resistance of the weld zone even after exposure to elevated temperatures. This makes it an excellent choice for buffer layers in cladding applications where a transition from mild steel to a hardfacing or corrosion-resistant layer is required.

Operational characteristics of the Selectarc E309L-16 are optimized for welder comfort and efficiency. The rutile-based coating facilitates a smooth, stable arc with very low spatter generation, operating effectively on both AC and DC+ currents. Slag removal is often self-releasing, leaving a clean, finely rippled bead profile that requires minimal post-weld grinding. This electrode is suitable for welding in all positions (except vertical down), making it a versatile tool for complex maintenance, repair, and overhaul (MRO) projects.

Technical Specifications:

  • Classification: AWS A5.4 E309L-16
  • Diameter: 3.2mm
  • Packaging: 5kg Tube
  • Yield Strength: > 320 MPa
  • Tensile Strength: > 520 MPa
  • Elongation: > 30%
Additional Information
Packaging Description:5 kg tube
Weld Process:Stick
AWS Spec :E309L-16, E309L-17
Packaging:5kg tube
Grade:309
Diameter:3.2mm
Polarity:AC or DC+
Brand:AVESTA
Rod Type:Stick Electrode
Coating Type:Rutile-Basic
Material Composition:Stainless Steel
Current Type:AC / DC
Welding Position:All positions except vertical down
----- new values below ----
Rod Type:Stick Electrode
Coating Type:Rutile-Basic
Material Composition:Stainless Steel
Current Type:AC/DC+
Welding Position:All Positions (except vertical down)
brand:Selectarc
aws-spec:E309L-16
diameter:3.2mm
grade:309
packaging:5kg tube
weld-process:Stick
polarity:AC or DC+

INCLUDED

  • 1 x 5kg Tube of Selectarc E309L-16 Stainless Steel Stick Electrodes (3.2mm)

APPLICATIONS

  • Joining stainless steel (AISI 304, 316) to carbon or low-alloy steels
  • Buffer layers on carbon steel prior to stainless cladding
  • Welding heat-resistant steels and dissimilar joints in boiler construction
  • Maintenance and repair of industrial equipment
  • Overlaying carbon steel to improve corrosion resistance

FAQ

E309L-16 electrodes are primarily used for joining dissimilar metals, such as welding stainless steel (like 304 or 316) to mild or carbon steel. They are also used for applying buffer layers.

For a 3.2mm (1/8") diameter E309L-16 electrode, the recommended amperage range is typically between 80 and 110 Amps, depending on the material thickness and welding position.

Yes, the Selectarc E309L-16 is designed to operate on both AC (Alternating Current) and DC+ (Direct Current Electrode Positive) polarity.

The 'L' stands for 'Low Carbon'. This indicates that the carbon content is restricted to a maximum of 0.04%, which helps prevent intergranular corrosion and carbide precipitation.

Generally, E309L-16 electrodes with rutile coatings are suitable for flat, horizontal, vertical-up, and overhead positions, but are not recommended for vertical-down welding due to slag fluidity.

They should be stored in a dry place. If the package is opened and exposed to moisture, they may need to be re-dried (typically at 250°C-300°C for 2 hours) to prevent porosity.

This product comes in a 5kg tube.

Yes, E309L-16 is excellent for the first layer of cladding on carbon steel to create a transition layer before applying standard stainless filler metals.

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