Stainless Steel Grade 321 Pipes & Tubes

Stainless Steel Grade 321 Pipes (Seamless & Welded)

Suppliers, Traders, Exporters and Stockists of Stainless Steel Grade 321 Pipes (Seamless & Welded)

ARK Stainless is a leading supplier, trader, stockist, and exporter of SS 321 Pipes. Our Stainless Steel 321 Pipes are available in a wide variety of shapes, sizes, grades, and finishes, with round tubes being the most common. The grades we offer vary based on application requirements; some grades, like 304L, 316L, and 310S, may be better suited for specific tasks than others. Our finishes cater to diverse needs, with some designed for enhanced resistance to rust and chemicals, while others are more aesthetically pleasing.

321 Stainless Steel Pipes are utilized across many industries due to their high strength-to-weight ratio and ability to withstand extreme temperatures without compromising structural integrity. They are particularly prevalent in the oil and gas industry for pipelines that transport oil or gas through challenging terrains and harsh environments. Additionally, these pipes find applications in the automotive sector as exhaust systems, thanks to their strong corrosion resistance and attractive polished finish. Furthermore, Stainless Steel 321 is widely used in chemical processing plants, effectively resisting corrosion from harsh chemicals without sacrificing performance or reliability.

The SS 321 Pipes have an excellent strength-to-weight ratio, making them ideal for applications where weight-saving is crucial, such as in aircraft or ship construction projects. Their impressive temperature resistance allows them to perform well in high-temperature applications like exhaust systems or turbines, where temperatures can reach up to 2000°F (1093°C). We also provide various products, including Stainless Steel 321H Seamless Pipes, tailored to meet specific industry demands.

AISI 321 Pipes are increasingly popular among manufacturers due to their exceptional strength-to-weight ratio combined with temperature resistance and excellent corrosion properties, making them suitable for industries ranging from automotive manufacturing to oil and gas exploration. Our product offerings include various types of pipes, such as 347 Stainless Steel Pipes.

Grade 321 is an austenitic alloy stabilized with titanium, providing Stainless Steel 321 Pipes/Tubes with remarkable corrosion resistance and sterilizing properties. This grade was specifically designed to combat intergranular corrosion, a vulnerability of the 304 grade. The Stainless Steel 321 Pipe possesses excellent mechanical properties, with a density of 8027 gm/cm³ and an elongation capacity of 40%. With a melting point between 1398-1146 degrees C, Stainless Steel 321 Tubes are highly durable, featuring a minimum yield strength of 205 MPa and a tensile strength of at least 515 MPa. Our 321 Exhaust Tubing is exceptionally strong, resisting bending under pressure. We are among the leading 321 Stainless Steel Tubing suppliers in Mumbai, committed to producing top-quality products at reasonable rates.

The 321 Stainless Steel Seamless Tubing is manufactured without welds or joints, crafted from a single piece of steel. This process results in a product that, while slightly more expensive than alternatives, is very strong and durable. These pipes can endure temperatures between 800-1500 degrees C and are widely used in boilers, jet engines, and exhaust systems. The 321 SS Welded Pipe is designed to be free of post-welding carburization or pitting, providing excellent resistance and performance. Additionally, these pipes boast outstanding creep resistance, making them ideal for various applications. We are one of the few 321 Stainless Steel Pipe suppliers in India that utilize advanced technology to deliver top-quality products.

The 321 UNS S32100 ERW Pipe is produced through a welded joint and is recognized for its longevity and resilience. Non-magnetic and unable to be hardened by hot-rolling, the 1.4541 SS 321 Seamless Tube offers excellent low-temperature working properties. The AISI 321 Schedule 40 Pipe, characterized by thin walls, is suitable for low-pressure applications and performs well in high-pressure systems. As a trusted group of 321 Tubing suppliers, we customize our products in various shapes and sizes based on client specifications.

The ASTM A312 TP 321 Round Pipe is one of the most sought-after shapes among our offerings, available in both welded and seamless forms for fluid and gas transport. The SA 312 TP 321 Rectangular Pipe features a robust rectangular cross-section, requiring low maintenance. For structural needs, the W.NR. 1.4541 Square Pipe is utilized across many applications, with a modulus of elasticity in tension at 193 GPa, allowing for easy fitting in challenging spaces. The SS grade 1.4541 Polished Pipe is produced through a cold-rolling process, available in annealed or polished finishes depending on specific requirements. Our Cres 321 Tubing is offered in AMS ASTM, 2D, and annealed finishes, and can be customized to meet your exact needs. For inquiries or more information about our Stainless Steel 321 Pipe/Tube, please contact us.

We export Stainless Steel 321 Pipes to numerous countries, including the United Arab Emirates, Brazil, Russia, Bangladesh, Indonesia, Egypt, Qatar, Iran, Kuwait, Taiwan, Oman, South Africa, Saudi Arabia, Australia, Pakistan, and Malaysia, ensuring quality products that meet diverse industrial needs.

Specifications of 321 Stainless Steel Pipes

Specifications ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V
Dimensions ASTM, ASME and API
Size 1/8"NB TO 30"NB IN
ERW 321 Pipes & Tubes 1/2" NB – 24" NB
EFW 321 Pipes & Tubes 6" NB – 100" NB
321 Pipes & Tubes 1/2" NB – 16" NB
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Specialized in Large Diameter Size
Length Single Random, Double Random & Cut Length.
Form Round, Square, Rectangular, Hydraulic Etc
End Plain End, Beveled End, Treaded
Stainless Steel Grade 321 Tubes (Seamless & Welded)

Suppliers, Traders, Exporters and Stockists of Stainless Steel Grade 321 Tubes (Seamless & Welded)

ARK Stainless is a leading supplier, stockist, and exporter of a qualitative range of Stainless Steel 321 Tubes, including SS 321 Tubes designed according to international and national standards. Our Stainless Steel 321 Seamless Tubing is an excellent choice for demanding applications where higher strength and tighter tolerances are necessary, providing unmatched reliability and performance.

Our range of SS 321H Tubes is renowned for its superior quality, zero defects, and excellent performance. The SS 321 / 321H Seamless Tubes feature a standard austenitic chromium-nickel alloy with the addition of titanium, making them ideal for elevated temperature environments.

Common applications of Stainless Steel 321 Tubing include oil refinery equipment, industrial boilers, pressure vessels, chemical and pharmaceutical equipment, petrochemical refineries, and chemical process heat exchangers. These premium SS 321H Tubing products are widely used across industries such as engineering, chemical, sugar, and pharmaceuticals. We offer SS 321H Seamless Tubes in both standard and customized sizes to meet diverse client needs.

Stainless Steel 321 Tubes are austenitic 18/8 stainless steel alloys that are stabilized with titanium. This enhancement increases resistance to intergranular corrosion and prevents carbide precipitation during welding, making SS 321 an ideal choice for a variety of demanding applications. Known for its toughness and heat resistance, SS 321 Tubes excel in high-temperature environments, commonly used in high-pressure steam and boiler tubes, pressure vessels, and manifolds.

The material also proves invaluable in radiant superheaters, heavy-duty exhaust systems, and oil refinery equipment due to its impressive resistance to atmospheric corrosion and sterilizing solutions. With a minimum tensile strength of 515 MPa, SS 321 Tubes are built to withstand rigorous conditions while maintaining structural integrity.

Our Stainless Steel 321 Welded Pipes are particularly advantageous because they do not exhibit sensitivity to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Designed for use in applications at temperatures around 900°C, these tubes combine high strength, phase stability, and resistance to scaling, making them indispensable in various industries.

With excellent forming and welding characteristics, 321 Stainless Steel Tubes can be readily brake or roll formed without requiring post-weld annealing. As a heat-resistant, titanium-stabilized, austenitic alloy, Grade 321 Pipes and Tubes are perfect for continuous and intermittent service temperatures between 800°F and 1500°F. The titanium addition significantly reduces carbide precipitation during welding, enhancing the durability and performance of our products.

We also offer these Stainless Steel 321 Tubes in various sizes and shapes tailored to our clients' specifications. As one of the top suppliers of SS 321 Tubes in India, we are dedicated to providing our customers with high-quality products at competitive prices.

We export Stainless Steel 321 Tubes to numerous countries, including the United Arab Emirates, Brazil, Russia, Bangladesh, Indonesia, Egypt, Qatar, Iran, Kuwait, Taiwan, Oman, South Africa, Saudi Arabia, Australia, Pakistan, and Malaysia. Contact us today for your SS 321 Tubes needs, and experience the difference with ARK Stainless!

Specification of Stainless Steel Tubes 321

Specifications ASTM A/ASME SA213/A249/A269/A312/A358
Dimensions ASTM, ASME, and API
321 Size 1/8"NB TO 30"NB IN
321 Pipes & Tubes Size  1/2" NB – 16" NB
ERW 321 Pipes & Tubes 1/2" NB – 24" NB
EFW 321 Pipes & Tubes 6" NB – 100" NB
Thickness 0.35mm to 50mm
Specialized in Large Diameter Size
Schedule SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS
Type Seamless / ERW / Welded / Fabricated
Form Round, Square, Hydraulic, U Shape, Pan Cake Coils, Coiled Etc
Length Single Random, Double Random & Required Length.