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Vinit Stainless, a prominent manufacturer and supplier located in Chennai, India, is dedicated to producing top-notch welding consumables, such as the AWS Class ER347 SAW (Submerged Arc Welding) Wire and Flux. Renowned for its exceptional weldability and resistance to corrosion, ER347 is stabilized with niobium, making it perfect for high-temperature applications. Vinit Stainless provides SAW wire and compatible flux combinations that ensure clean welds with outstanding mechanical strength and resistance to intergranular corrosion. With a commitment to quality, precision, and adherence to international standards, Vinit caters to essential industries like petrochemical, power generation, fabrication, and pressure vessel manufacturing.
AWS Class ER347 SAW Wire and Flux consists of chromium (19–21%), nickel (9–11%), and carbon (≤0.08%), with niobium (8–10 times the carbon content) added for stabilization against carbide precipitation. This combination offers remarkable resistance to intergranular corrosion and high-temperature oxidation. Its mechanical properties include a tensile strength of 550–650 MPa, a yield strength of around 350 MPa, and an elongation of ≥30%. The flux paired with ER347 guarantees low spatter, high arc stability, and easy slag removal, making it perfect for precision welding in challenging environments.
| Classification | AWS A5.9, ER347 |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS ER347 SAW & Flux Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu | Element | Amount |
| 0.08 | 19.0-21.5 | 9.0-11.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 | Nb | 10XC min/1.0 max |
| Tensile Strength, kpsi: | 57* |
| Yield Strength, kpsi: | 86* |
| Elongation %: | 35* |
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Alloy ER347 SAW and Flux are used for submerged arc welding of stainless steel, offering high resistance to intergranular corrosion, excellent strength, and a clean, slag-free weld for high-temperature applications.
AWS A5.9 ER347 SAW and Flux Welding Wire is designed for submerged arc welding of stainless steel, providing strong, durable welds with high resistance to intergranular corrosion and a clean, efficient finish.
AWS Class ER347 Submerged Arc Welding Flux provides excellent arc stability and a clean, slag-free weld. It enhances corrosion resistance and weld quality for high-temperature and stainless steel applications.
We uphold stringent quality standards for our AWS Class ER347 SAW and FLUX, subjecting them to rigorous testing. Our extensive tests encompass the Hardness Test, Chemical Analysis via Spector Analysis, PMI Testing, Flattening Test, Micro and Macro Tests, Pitting Resistance Test, Flaring Test, and Intergranular Corrosion (IGC) Test. Commercial invoice, packaging list, Certificate of Origin, and Guarantee Letter accompany our products. For added assurance, we offer third-party inspection certificates, validating the excellence and suitability of our AWS Class ER347 SAW and FLUX across various applications and ensuring client satisfaction.
AWS Class ER347 SAW and Flux are extensively utilized in chemical processing equipment, petroleum refineries, food and beverage plants, and power generation systems, especially where high-temperature strength and corrosion resistance are crucial. This combination is ideal for welding stainless steel 321, 347, and other stabilized austenitic grades, excelling in heat exchangers, pressure vessels, storage tanks, and process piping. It’s also used in marine fabrication and pharmaceutical equipment, where clean, durable, and corrosion-resistant welds are essential. ER347 SAW with flux ensures deep penetration, minimal weld defects, and strong metallurgical integrity.
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