ESAB OK 309L Stainless Steel Electrode
ESAB OK 309L (E309L-16) is an acid-rutile coated stainless steel electrode, designed for welding stainless steel to mild or low-alloyed steels. This electrode provides an over-alloyed weld metal with excellent corrosion resistance and superior mechanical properties. As a result, it ensures high-quality, reliable welds in a wide range of industrial applications.
The low carbon content in the E309L-16 standard reduces carbide precipitation, enhancing resistance to intergranular corrosion. In addition, it is ideal for joining dissimilar materials or applying transition layers during surfacing operations.
Specifications
| Classification | Welding Current | Alloy Type | Coating Type |
|---|---|---|---|
| AWS A5.4: E309L-16 | AC, DC+ | Austenitic CrNi | Acid Rutile |
Typical Mechanical Properties
| Condition | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|
| As Welded | 470 MPa | 580 MPa | 32% |
Typical Applications
- Stainless to Mild Steel Joining: Ideal for welding stainless steel to mild or low-alloyed steels, ensuring strong, durable joints.
- Transition Layers: Suitable for surfacing operations, where stainless steel weld metal is applied to mild steel components.
- Chemical and Petrochemical Industry: Used in environments where corrosion resistance is critical, such as in chemical processing equipment.
- General Fabrication: Perfect for various fabrication projects requiring high-strength, corrosion-resistant welds.
Typical Weld Metal Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.03 |
| Manganese (Mn) | 0.9 |
| Silicon (Si) | 0.8 |
| Nickel (Ni) | 12.4 |
| Chromium (Cr) | 23.7 |
| Nitrogen (N) | 0.09 |
| Ferrite (FN) | 15 |
Key Features of ESAB OK 309L
- Low Carbon Content: Reduces carbide precipitation, in addition to enhancing resistance to intergranular corrosion in sensitive environments.
- High Corrosion Resistance: Provides excellent corrosion resistance. As a result, makes it ideal for harsh chemical and petrochemical environments.
- Reliable Weld Quality: Offers consistent, high-quality welds with low spatter, ensuring minimal post-weld cleanup.
- Versatile Applications: Suitable for joining dissimilar metals and surfacing mild steel components with stainless steel.
Choose ESAB OK 309L (E309L-16) Stainless Steel Electrode for your next welding project, and experience superior corrosion resistance, reliable weld quality, and versatility for a wide range of industrial applications accordingly.
Reference: Manufacturer’s Page
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