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Kyaw Stainless, based in Naypyidaw, Myanmar, has built a solid reputation as a top-notch manufacturer and supplier of high-quality stainless steel welding consumables, including **Alloy 309LMo SAW and Flux**. Thanks to their cutting-edge production technology and rigorous quality control, they deliver high-performance products that meet international welding standards. Kyaw Stainless caters to a variety of industries that require exceptional corrosion and heat resistance, ensuring that every weld is consistent in quality and durability. Their Alloy 309LMo SAW and Flux system is designed for efficiency and reliability, boasting excellent metallurgical compatibility, which has made Kyaw Stainless a trusted name in Myanmar’s stainless steel welding materials market.
**Alloy 309LMo SAW and Flux** consists of about 23% Chromium, 13% Nickel, and 2.5–3.0% Molybdenum, along with low Carbon content and well-balanced amounts of Manganese and Silicon. This unique blend offers outstanding resistance to high-temperature oxidation and corrosion, especially in environments with sulfur compounds and acids. When combined, the wire and flux create a smooth, clean weld deposit with minimal spatter and slag, providing impressive mechanical properties like a tensile strength of around 580 MPa and an elongation of 35–40%, ensuring ductility and toughness even under tough service conditions.
| Classification | AWS A5.9, 309LMo |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS 309LMo SAW & Flux Application & uses |
|
| C | Mn | Si | Cr | Ni | S | P | Mo | Cu |
| 0.03 max | 1.0-2.5 | 0.30-0.65 | 23-25 | 12-14 | 0.03 max | 0.03 max | 2-3 | 0.75 max |
| Tensile Strength | 89,900 |
|---|---|
| Yield Strength | 63,800 |
| Elongation (%) | 42% |
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Used for submerged arc welding, providing high resistance to corrosion and oxidation, excellent weld strength, and a clean, slag-free finish for demanding applications.
Used for submerged arc welding, offering high corrosion and oxidation resistance, strong welds, and a clean, slag-free finish, suitable for harsh industrial applications.
Specified for submerged arc welding, providing superior corrosion and oxidation resistance, strong welds, and a clean, slag-free finish for demanding industrial environments.
Alloy 309LMo SAW and Flux are widely used in industries demanding high corrosion resistance and mechanical strength, such as chemical processing, power generation, and offshore structures. It is best suited for welding mild or carbon steel to stainless steel, cladding, and making heat exchangers, pressure vessels, and storage tanks. This alloy is widely applied in pulp and paper mills, marine technology, and refinery equipment that comes into contact with aggressive chemicals and high temperatures. Its thermal cycling and oxidation resistance qualify it for furnace parts, boilers, and structural uses requiring excellent weld life.
**Alloy 309LMo SAW and Flux** is commonly used for welding dissimilar metals, such as joining stainless steels to carbon or low-alloy steels, as well as for overlaying and surfacing tasks. It’s particularly well-suited for industries like chemical processing, pressure vessel fabrication, power generation, and marine engineering, where resistance to corrosion and heat is crucial. The SAW process, paired with Kyaw Stainless’s specially optimized flux, achieves high deposition rates, deep penetration, and an excellent bead appearance, guaranteeing reliable performance in both the fabrication and maintenance welding of essential stainless steel components.
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