Arosta 309S E309L-16 3.2mm Stainless Steel Welding Electrodes are premium-quality rutile-basic coated MMA (stick) electrodes designed for welding dissimilar metals, including stainless steel to mild steel and low-alloy steel. Manufactured by Lincoln Electric, these low-carbon E309L-16 electrodes provide excellent crack resistance, smooth arc stability, easy slag removal, and superior corrosion resistance for demanding fabrication and maintenance applications.
Key Features
- AWS A5.4 E309L-16 classification
- 3.2mm diameter for medium to heavy fabrication work
- 5kg pack suitable for workshop and industrial applications
- Designed for joining stainless steel to carbon steel and other dissimilar metals
- Low-carbon weld deposit helps reduce the risk of intergranular corrosion
- Excellent resistance to hot cracking with approximately 12% delta ferrite in the weld metal
- Smooth arc performance with easy restriking and self-releasing slag
- Suitable for AC and DC+ polarity
- All-position welding capability (except vertical down)
Typical Applications
- Welding stainless steel to mild steel and low-alloy steel
- Stainless steel cladding and buffer layer applications
- Repair and maintenance welding
- Fabrication of tanks, vessels, piping, and structural components
- Welding AISI 309, 309S, 304, and similar stainless steel grades
- Overlay welding to improve corrosion and heat resistance on carbon steel surfaces
Technical Specifications
- Product: Arosta 309S
- Classification: AWS A5.4 E309L-16
- Diameter: 3.2mm
- Length: 350mm
- Pack Weight: 5kg
- Polarity: AC / DC+
- Recommended Current Range: 60–110A
- Coating Type: Rutile-Basic
- Welding Positions: All positions except vertical down
- Typical Weld Metal Composition: Approx. 23.5% Chromium, 12.5% Nickel, Low Carbon
