ESAB OK Tigrod 309L TIG Rod
ESAB OK Tigrod 309L is a stainless steel TIG rod specifically designed for welding similar steels with 24% chromium and 13% nickel. It is also highly suitable for welding buffer layers on carbon-manganese steels and for joining dissimilar metals. The low carbon content (L grade) ensures reduced carbide precipitation, improving resistance to intergranular corrosion. **OK Tigrod 309L** offers excellent corrosion resistance, making it ideal for demanding industrial applications such as chemical plants and refineries.
Key Features of ESAB OK Tigrod 309L
- Corrosion Resistance: Excellent protection against general corrosion, especially in high-temperature environments.
- Dissimilar Welding: Perfect for welding buffer layers and joining dissimilar metals, including carbon-manganese steels.
- Low Carbon Content: Reduces carbide precipitation, improving resistance to intergranular corrosion and weld durability.
- High Mechanical Strength: Provides a tensile strength of 590 MPa and yield strength of 430 MPa.
- Impact Toughness: Offers excellent impact toughness, even down to -110°C, ensuring reliable performance in cold environments.
Applications
- Buffer Layers: Ideal for welding buffer layers on carbon-manganese steels, providing a smooth transition for subsequent weld layers.
- Dissimilar Joints: Ensures reliable joints when welding dissimilar materials, including carbon and stainless steels.
- Chemical Processing: Resistant to corrosive chemicals, making it suitable for chemical plants and refineries.
- Power Generation: Ideal for welding heat exchangers and pressure vessels exposed to extreme temperatures and conditions.
Specifications
Feature | Details |
---|---|
Alloy Type | Austenitic (24% Cr, 13% Ni, Low C) |
Classification | AWS A5.9: ER309L, EN ISO 14343-A: W 23 12 L |
Yield Strength | 430 MPa (62 ksi) |
Tensile Strength | 590 MPa (86 ksi) |
Elongation | 32% |
Impact Toughness (at -60°C) | 130 J (96 ft-lb) |
Typical Composition | 0.015% C, 1.7% Mn, 0.4% Si, 13% Ni, 24% Cr |
For high-performance welding of stainless steels and dissimilar joints, choose ESAB OK Tigrod 309L. Its corrosion resistance and versatility make it ideal for critical applications in power generation, chemical processing, and industrial fabrication.
Reference: manufacturer’s page.
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