Kyaw Stainless is a top-notch manufacturer and supplier located in Naypyidaw, Myanmar, specializing in high-quality Stainless Steel 309S Bars that are built to perform exceptionally well in high-temperature and corrosive settings. These bars are celebrated for their outstanding oxidation resistance, strength, and durability, making them perfect for tough industrial applications. At Kyaw Stainless, they prioritize precision manufacturing, superior finishing, and rigorous quality control to ensure they meet international standards. Stainless Steel 309S Bars find their place in power generation, petrochemical, and heat treatment industries, where high thermal stability and corrosion resistance are crucial for reliable, long-lasting performance.
| Grade | Stainless Steel 309S (UNS 30908) |
| Standard | ASTM A276 / ASME SA276 |
| Diameter | 25mm to 152mm dia |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Finish | Bright, Polish & Black |
| Type | Round/Square/ Hexagonal/ Rectangular |
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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Stainless Steel 309S Bars are widely used in applications requiring high-temperature strength and excellent resistance to oxidation and corrosion. They are commonly used in industries such as petrochemical, chemical processing, and power generation for heat exchangers, gas turbines, boiler components, and furnace parts. These bars are also utilized in the manufacturing of industrial machinery, food processing equipment, and welding applications. Their durability and ability to withstand extreme temperatures make them ideal for use in critical environments, ensuring reliable performance and longevity in demanding industrial system
Designed for high-temperature applications, offering exceptional oxidation resistance and durability. They are ideal for components in furnaces, heat exchangers, and other high-heat environments.
Outstanding heat resistance and strength, suitable for applications such as heat shields, furnace parts, and structural components exposed to high temperatures and corrosive environments.
High-temperature settings where heat resistance and durability are critical. They are commonly employed in manufacturing parts for the aerospace industry, industrial equipment, and heat exchangers.
High-temperature applications requiring superior oxidation resistance. They are often used in furnace components, structural supports, and industrial parts that endure extreme heat and corrosive conditions.
High-temperature performance and corrosion resistance. They are utilized in industrial processes, furnace parts, and equipment subjected to severe thermal conditions.
Excellent heat resistance and strength, making them suitable for high-temperature structural applications. They are commonly used in heat exchangers, support structures, and furnace components.
Stainless Steel 309S Bars are commonly used in heat exchangers, furnaces, boilers, and chemical processing plants. They’re perfect for components that face high heat and corrosive environments, such as shafts, fasteners, and structural parts in refineries and thermal equipment. Their excellent weldability and formability make them easy to work with for a variety of industrial applications. With superior resistance to oxidation, carburization, and scaling, Stainless Steel 309S Bars ensure durability, dimensional stability, and efficient performance even in extreme temperatures and harsh chemical conditions.
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