Stainless Steel Seamless Pipes Manufacturer in India

Rajendra Tubinox is a leading stainless steel seamless pipes manufacturer in India, offering high-performance piping solutions for critical industrial applications across India and global export markets. Known for precision engineering, consistent quality, and strong supply capabilities, we cater to EPC contractors, procurement managers, and industrial buyers looking for reliable and certified seamless pipe solutions.

Our stainless steel seamless pipes are manufactured using hot rolling and cold drawing processes, ensuring superior strength, uniform structure, and excellent pressure resistance. These pipes are widely used in industries where high pressure, high temperature, and corrosion resistance are essential.

With ready stock availability and custom manufacturing capabilities, Rajendra Tubinox ensures timely delivery, competitive pricing, and compliance with international standards.

Stainless Steel Seamless Pipes

Stainless Steel Seamless Pipes Overview

Stainless steel seamless pipes are manufactured without any welding or joints, making them highly reliable for critical applications. These pipes are produced through hot rolling or cold drawing processes, resulting in a uniform structure with superior mechanical strength and pressure-handling capability.

Unlike welded pipes, seamless pipes do not have a weld seam, which eliminates the risk of weak points and ensures enhanced structural integrity. This makes them ideal for industries that require high performance under extreme conditions such as pressure pipelines, heat exchangers, and chemical processing systems.

At Rajendra Tubinox, our seamless pipes are designed to deliver:

Our products comply with international standards such as ASTM and ASME, ensuring suitability for both domestic and export projects.

Product Specifications

Product Type Stainless Steel Seamless Pipes
Material Grades 304, 304L, 310, 310S, 316, 316L, 317L, 904L, 321, 347, 347H, Duplex 2205
Manufacturing Process Hot Rolled / Cold Drawn Seamless
Size Range 1/8” NB to 24” NB
Wall Thickness Schedule 5S to Schedule XXS
Length 6 meters standard / custom cut lengths
Surface Finish Annealed & Pickled, Bright Annealed, Polished
End Types Plain End (PE), Beveled End (BE), Threaded (on request)
Standards ASTM A312, ASTM A213, ASTM A269, ASME SA312

Sizes & Dimensions

Nominal Size (NB) Outer Diameter (OD) Thickness Range
1/8" – 1/2" 10.3 mm – 21.3 mm Sch 5S – Sch 40S
3/4" – 2" 26.7 mm – 60.3 mm Sch 5S – Sch 80S
2.5" – 6" 73 mm – 168.3 mm Sch 10S – Sch 160
8" – 12" 219 mm – 323.9 mm Sch 10S – Sch XXS
14" – 24" 355.6 mm – 609.6 mm Custom Thickness

Explore Our Product Range

Mechanical Properties

Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
304 ≥ 515 ≥ 205 ≥ 40
304L ≥ 485 ≥ 170 ≥ 40
310S ≥ 520 ≥ 205 ≥ 40
316 ≥ 515 ≥ 205 ≥ 40
316L ≥ 485 ≥ 170 ≥ 40
317L ≥ 515 ≥ 205 ≥ 35
904L ≥ 490 ≥ 220 ≥ 35
321 ≥ 515 ≥ 205 ≥ 40
347 ≥ 515 ≥ 205 ≥ 40
Duplex 2205 ≥ 620 ≥ 450 ≥ 25

Chemical Composition

Grade C% Mn% Si% Cr% Ni% Mo% Others
304 0.08 2.00 0.75 18–20 8–10.5 - -
304L 0.03 2.00 0.75 18–20 8–12 - -
310S 0.08 2.00 1.50 24–26 19–22 - -
316 0.08 2.00 0.75 16–18 10–14 2–3 -
316L 0.03 2.00 0.75 16–18 10–14 2–3 -
317L 0.03 2.00 0.75 18–20 11–15 3–4 -
904L 0.02 2.00 1.00 19–23 23–28 4–5 Cu: 1–2
321 0.08 2.00 0.75 17–19 9–12 - Ti Stabilized
347 0.08 2.00 0.75 17–19 9–13 - Nb Stabilized
Duplex 2205 0.03 2.00 1.00 22–23 4.5–6.5 3–3.5 N: 0.14–0.20

Applications and Industries

Stainless steel seamless pipes are widely used in industries that require high strength, pressure resistance, and long-term reliability. Since these pipes are manufactured without a weld seam, they offer a uniform structure, making them suitable for critical and high-performance applications.

Why Choose Rajendra Tubinox

Result: When you choose Rajendra Tubinox, you partner with a manufacturer that delivers consistent quality, dependable supply, and long-term performance for critical applications.

Industries We Serve

Rajendra Tubinox supplies stainless steel seamless pipes to a wide range of industries that require reliable performance, strength, and corrosion resistance. Our products are widely used in oil & gas, petrochemical, and power generation sectors where pipes must perform under high pressure and temperature conditions.

We also cater to chemical processing, marine, and offshore industries, where resistance to aggressive environments is critical for long-term durability. Additionally, sectors such as construction, pharmaceuticals, and water treatment rely on our seamless pipes for their structural integrity, hygiene standards, and consistent performance.

Conclusion: Stainless steel seamless pipes are widely preferred for applications where safety, durability, and performance are critical, making them essential in modern industrial systems.

FAQs

  1. What are seamless pipes used for?
    They are used in high-pressure and high-temperature applications such as oil & gas, boilers, and chemical plants.
  2. What grades are available?
    Common grades include 304, 304L, 316, 316L, 310S, 321, 347, and Duplex 2205.
  3. Are seamless pipes better than welded pipes?
    For high-pressure applications, seamless pipes are preferred due to the absence of weld joints.
  4. Do you provide test certificates?
    Yes, we provide Mill Test Certificates (MTC) and inspection reports.
  5. Can you supply custom sizes?
    Yes, we offer customized sizes, thicknesses, and finishes.

Request a Quote

Looking for a reliable stainless steel seamless pipes manufacturer in India? Rajendra Tubinox offers high-quality pipes with ready stock, competitive pricing, and dependable delivery.

Share your requirement details such as grade, size, thickness, quantity, and application, and our team will provide a quick quotation with technical specifications and delivery timeline.

Our team is ready to assist you with accurate pricing and timely supply for your project requirements.