Kyaw Stainless, located in Naypyidaw, Myanmar, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 321 Pipes. With a keen emphasis on precision engineering and high material standards, the company delivers robust and corrosion-resistant piping solutions that are perfect for tough industrial settings. Kyaw Stainless guarantees that each product adheres to international specifications, ensuring outstanding performance even in high-temperature and oxidative environments. Their Stainless Steel 321 Pipes are well-regarded for their longevity, dependability, and precise dimensions, making them an excellent option for industries that demand strength and stability under elevated thermal stresses.
| Standard | ASTM A312, A358 / ASME SA312, SA358 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Grade | C | N | Ni | Si | P | S | Mn | Cr | TI | |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 321 | Min | – | – | 9.00 | – | – | – | – | 17.0 | 5(C+N) |
| max | 0.08 | 0.10 | 12.00 | 1.00 | 0.045 | 0.030 | 2.00 | 19.0 | 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 321 Pipes are made from titanium-stabilized austenitic stainless steel, featuring a composition that includes chromium (17–19%), nickel (9–12%), titanium (≥5xC%), and a maximum carbon content of 0.08%. This alloy is known for its remarkable resistance to intergranular corrosion after being subjected to high temperatures. It boasts a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 40%. These mechanical properties ensure excellent strength and toughness, maintaining stability during high-temperature operations while providing superior resistance to oxidation and scaling.
High-temperature oxidation. Available in various sizes, typically from 1″ to 6″, with wall thicknesses ranging from 1.5mm to 5mm. It is ideal for structural and architectural applications requiring a polished, aesthetic appearance.
Highly resistant to intergranular corrosion and oxidation. Sizes range from 1/8″ to 24″ in diameter, with wall thicknesses from 1mm to 12mm. Suitable for high-temperature service and applications requiring high pressure.
Excellent resistance to oxidation and corrosion. Commonly produced in sizes from 1″ to 24″ in diameter, with wall thicknesses from 2mm to 10mm and used in construction and pipelines for moderate pressure and temperature conditions.
Corrosion resistant with enhanced strength for large diameter applications. Typically available in sizes from 12″ to 60″ diameter with wall thicknesses up to 20mm. It is ideal for high-pressure and high-temperature applications in the oil and gas industry.
Superior resistance to high-temperature oxidation and corrosion. Standard sizes range from 1/8″ to 12″ in diameter, with wall thicknesses from 1mm to 10mm. They are commonly used in various industrial and structural applications.
Corrosion resistance with good high-temperature stability. Available in sizes from 1″ to 24″ in diameter, with wall thicknesses ranging from 1.5mm to 12mm. Suitable for a variety of applications, including chemical and petrochemical industries.
Stainless Steel 321 Pipes find extensive applications in sectors like petrochemical, oil and gas, heat exchangers, refineries, and power generation. Their outstanding resistance to high-temperature oxidation makes them perfect for furnace components, exhaust systems, and thermal processing equipment. Additionally, these pipes are utilized in aerospace and chemical processing applications where long-lasting corrosion resistance and structural integrity are vital. Thanks to their durability, weldability, and formability, Stainless Steel 321 Pipes are the go-to choice for transporting corrosive fluids and gases in harsh operating conditions.
Kyaw Stainless offers test certificates, such as Mill Test Certificates (MTC) according to EN 10204 3.1, in accordance with industry standards. Pipes are safely packaged in wooden crates, plastic wrap, or carton boxes to avoid damage in transit. Having a robust logistics network, Kyaw Stainless ensures reliable and timely worldwide delivery, efficiently meeting urgent industrial needs.
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