Stainless Steel 321 Pipes are made up of 17–19% chromium, 9–12% nickel, 0.04–0.08% carbon, and titanium for stabilization, along with small amounts of manganese, silicon, and phosphorus. This austenitic stainless steel showcases a tensile strength of 515–690 MPa, yield strength around 205–310 MPa, and remarkable ductility and toughness. The titanium stabilization helps prevent carbide precipitation, boosting resistance to intergranular corrosion at high temperatures. These pipes are not only mechanically strong and heat-resistant but also ideal for high-pressure, high-temperature, chemical, and industrial piping applications that demand long-lasting durability and reliable performance.
| 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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At Emilio Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 321 Pipes in Manila, Philippines. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Philippines, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.
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.
Emilio Stainless is a leading supplier, and stockist of high-quality Stainless Steel 317 Pipes in Manila, Philippines. 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 extensive use in chemical processing, petrochemical industries, power generation, marine applications, and various high-temperature industrial systems. They are perfect for transporting fluids, gases, and steam in boilers, heat exchangers, furnace lines, and other high-temperature piping setups. Thanks to the titanium-stabilized 321 grade, these pipes resist intergranular corrosion, ensuring reliable, durable, and leak-proof performance. Emilio Stainless offers 321 pipes in a range of diameters to meet diverse needs.
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