Home > Electrodes > AWS Class E347T1-1/T1-4 Flux Core Wire
The AWS Class E347T1‑1/T1‑4 flux-cored welding wire is a stabilized austenitic stainless-steel filler metal that meets the American Welding Society (AWS) specification A5.22. It’s enhanced with niobium (columbium) or titanium to stabilize its microstructure and prevent intergranular carbide precipitation. This makes it an excellent choice for welding stabilized stainless steels like Type 347 or 321, especially in challenging, high-temperature, or corrosive environments.
| Classification | AWS A5.22, E347T0-1/T0-4 |
| 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 E347T0-1/T0-4 Flux Core Wire Application & uses |
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| C | Mn | Si | Cr | Ni | Nb | Mo | S | P |
| 0.05 | 1.20 | 0.60 | 19.5 | 9.5 | 0.40 | 0.28 | 0.01 | 0.02 |
| Tensile Strength, kpsi: | 70 min |
| Yield Strength, kpsi: | *NS |
| Elongation %: | 30 min |
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The typical all-weld metal chemistry of E347T1‑1/T1‑4 features around 0.04–0.08% carbon, 18.0–21.0% chromium, and 9.0–11.0% nickel, with niobium added (at least ~8×C) for stabilization. Molybdenum is capped at ≤0.75%. The typical tensile strength ranges from ~550–630 MPa (approximately 80,000–90,000 psi), with elongation around 30–35% under standard conditions.
Excellent corrosion resistance and weld stability. Ideal for applications requiring external shielding gas, such as in petrochemical, shipbuilding, and construction projects where high-quality welds are crucial.
High-performance self-shielded flux cored wire for outdoor and field welding without external shielding gas. Delivers superior corrosion resistance and mechanical strength, suitable for construction, repair work, and fabrication in challenging environments.
Versatile flux cored arc welding wire offering excellent weld quality, corrosion resistance, and mechanical properties. Perfect for various industrial applications including pressure vessels, pipelines, and structural components exposed to demanding conditions.
E347T1‑1/T1‑4 flux-cored wire is perfect for welding stabilized austenitic stainless steels—like Types 347 and 321—in applications such as boilers, chemical and petrochemical vessels, heat exchangers, power plant equipment, and other structural components that face oxidizing, high-temperature, or corrosive conditions. It supports all-position welding (flat, horizontal, vertical, overhead) and is frequently used in fabricating or repairing equipment that requires resistance to intergranular corrosion and strength retention at elevated temperatures. processing, shipbuilding, and power generation industries.It finds specific application for welding stainless steel parts subject to high temperature and corrosive exposure, like heat exchangers, pressure vessels, and piping. The wire is also important in food processing and pharmaceutical manufacturing where resistance to contamination is a requirement. Its good mechanical properties and simple slag removal make it suitable for structural applications requiring high weld integrity and better corrosion resistance.







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