Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering top-notch stainless steel products that are built to last. One of their standout offerings is the Stainless Steel 321 Pipes, which are celebrated for their remarkable resistance to intergranular corrosion and exceptional performance in high-temperature environments. These pipes are stabilized with titanium, enhancing their weldability and preventing carbide precipitation during the welding process. Crafted to meet international standards, Stainless Steel 321 Pipes promise long-lasting reliability, making them perfect for demanding industrial and structural applications.
| 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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These pipes are made up of 17–19% chromium and 9–12% nickel, along with titanium stabilizers that boost their resistance to sensitization. On the mechanical side, they boast high tensile and yield strength, impressive toughness, and good creep resistance even at elevated temperatures. Their metallurgical stability and ability to resist oxidation up to 870°C ensure they remain durable and trustworthy, even in tough conditions.
Corrosion resistant to 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.
Offers 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.
Nakamura Stainless is a leading supplier, and stockist of high-quality Stainless Steel 317 Pipes in Pulau Ujong, Singapore. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
Stainless Steel 321 Pipes find their place in various industries, including chemical processing, oil and gas, refineries, aerospace, and marine sectors. They are particularly well-suited for heat exchangers, exhaust manifolds, furnace components, and high-temperature piping systems. Thanks to their resilience against thermal stress, oxidation, and corrosion, these pipes are a go-to choice for applications that demand strength, reliability, and a long service life in both high-temperature and corrosive settings.
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