Home > Electrodes > AWS Class E309LT1-1/T1-4 Flux Core Wire
MERIH STAINLESS, located in Istanbul, Turkey, specializes in crafting top-notch flux core wires, including the AWS Class E309LT1-1/T1-4. These wires are specifically designed for flux-cored arc welding (FCAW) and are known for their outstanding corrosion resistance and mechanical strength, making them ideal for welding stainless steels, particularly in situations where dissimilar metals are involved. Manufactured under rigorous quality standards, they ensure stable arc performance, minimal spatter, and easy slag removal, which leads to efficient and consistent welds. MERIH STAINLESS caters to various industries, such as chemical processing, shipbuilding, and heavy fabrication, where high-performance welding consumables are crucial.
| Classification | AWS A5.22, E309LT1-1/T1-4 |
| Form | Welding Flux Core Wire |
| Type Of Welding | Gas Shielded |
| Diameters | .045”, 1/16” |
| Shielding Gas | 100% CO2, 75-80% Ar/ balance CO2, 35-50 cfh |
| Welding Positions | All positions |
| AWS E309LT1-1/T1-4 Flux Core Wire Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.04 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.5-2.5 | 1.0 | 0.04 | 0.03 | 0.75 |
| Tensile Strength, kpsi: | 75 min |
| Yield Strength, kpsi: | *NS |
| Elongation %: | 30 min |
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The E309LT1-1/T1-4 wire is formulated with about 23–25% Chromium, 12–15% Nickel, and a low carbon content (≤0.04%) to enhance resistance against carbide precipitation and intergranular corrosion. Additionally, it includes molybdenum to boost pitting corrosion resistance. This wire works well with both 100% CO₂ shielding gas (T1-1) and mixed shielding gases (T1-4), providing flexibility for various welding scenarios. Its mechanical properties are impressive, featuring a tensile strength of ≥550 MPa, yield strength of ≥380 MPa, and elongation of ≥30%. The rutile flux system guarantees smooth arc behavior and straightforward slag removal, especially in flat and horizontal positions.
E309LT1-1/T1-4 dual shield flux cored wire, available in sizes from 0.8mm to 1.6mm, offers excellent corrosion resistance. Ideal for welding dissimilar metals with superior arc stability and performance.
E309LT1-1/T1-4 self-shielded flux cored wire, ranging from 0.8mm to 1.6mm, provides reliable corrosion resistance. Suitable for welding dissimilar metals without additional shielding gases, ensuring robust weld quality.
E309LT1-1/T1-4 flux cored arc welding wire, available in sizes from 0.8mm to 1.6mm, ensures high corrosion resistance. Ideal for welding dissimilar metals with consistent performance and high deposition rates.
AWS Class E309LT1-1/T1-4 flux core wire is a popular choice for welding 309 and 309L stainless steels, as well as for joining stainless to carbon steels in challenging environments. It’s commonly used in chemical plants, power generation facilities, marine fabrication, and repair jobs. Thanks to its excellent corrosion resistance and robust mechanical properties, it’s perfect for welds that face high temperatures and harsh conditions. MERIH STAINLESS is committed to providing reliable, high-quality consumables globally, ensuring that welds are durable and crack-resistant for both fabrication and maintenance tasks.
AWS class E309LT1-1/T1-4 flow core wire is used for welding stainless steel, particularly ideal for joining dissimilar metals such as carbon steel and stainless steel in applications requiring high strength and corrosion a it resists, usually in medicine, power generation, food . Used in applications such as construction, the wire flow core provides excellent arc stability and minimal porosity, making it suitable for both indoor and outdoor welding applications. The low hydrogen content allows for strong crack-resistant welds in hard surfaces.
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