Quality Aluminium. Consistent Supply. On-Time Delivery.
Quality Aluminium. Consistent Supply. On-Time Delivery.
Rajendra Tubinox is a leading stainless steel welded pipes manufacturer in India, delivering high-performance piping solutions to industries across India and global export markets. With a strong focus on quality, precision manufacturing, and on-time delivery, we cater to EPC contractors, project engineers, and procurement managers seeking reliable and certified stainless steel pipe solutions.
Our welded pipes are manufactured using advanced welding technologies such as TIG, ERW, and Laser Welding, ensuring excellent dimensional accuracy, corrosion resistance, and structural integrity. Whether your requirement is for industrial processing, oil & gas pipelines, or structural applications, we provide ready stock and custom manufacturing capabilities.
Stainless steel welded pipes are manufactured by forming stainless steel coils or plates into a cylindrical shape and joining the seam using advanced welding techniques such as TIG (Tungsten Inert Gas), ERW (Electric Resistance Welding), and Laser Welding. These processes ensure a strong, uniform weld with excellent structural integrity and minimal defects.
Compared to seamless pipes, welded pipes offer significant advantages in terms of cost efficiency, availability in larger diameters, and consistent wall thickness, making them ideal for both industrial and structural applications. Modern welding technologies have further enhanced their performance, allowing welded pipes to meet stringent international standards and demanding operational conditions.
At Rajendra Tubinox, we utilize precision-controlled manufacturing processes combined with strict quality checks to produce pipes that deliver:
Our stainless steel welded pipes are widely used in industries where reliability, hygiene, and long service life are critical. With ready stock availability and customization options, we ensure that project timelines are met without compromising on quality.
| Product Type | Stainless Steel Welded Pipes |
|---|---|
| Material Grades | 304, 304L, 310, 310S, 316, 316L, 317, 904L, 321, 347, 347H |
| Manufacturing Process | TIG / ERW / Laser Welding |
| Size Range | 1/2” NB to 36” NB (Custom Sizes Available) |
| Wall Thickness | Schedule 5S to Schedule 80S |
| Length | Standard 6 meters or custom cut lengths |
| Surface Finish | Annealed & Pickled, Polished, Mirror Finish, Matte Finish |
| End Types | Plain End (PE), Beveled End (BE), Threaded |
| Standards | ASTM A312, ASTM A358, ASTM A554, ASME SA312 |
| Nominal Size (NB) | Outer Diameter (OD) | Thickness Range |
|---|---|---|
| 1/2" – 2" | 21.3 mm – 60.3 mm | Sch 5S – Sch 40S |
| 2.5" – 6" | 73 mm – 168.3 mm | Sch 10S – Sch 80S |
| 8" – 16" | 219 mm – 406.4 mm | Custom Thickness |
| 18" – 36" | 457 mm – 914 mm | Custom Fabrication |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| 304 | ≥ 515 | ≥ 205 | ≥ 40 |
| 304L | ≥ 485 | ≥ 170 | ≥ 40 |
| 316 | ≥ 515 | ≥ 205 | ≥ 40 |
| 316L | ≥ 485 | ≥ 170 | ≥ 40 |
| 310S | ≥ 520 | ≥ 205 | ≥ 40 |
| 321 | ≥ 515 | ≥ 205 | ≥ 40 |
| 347 | ≥ 515 | ≥ 205 | ≥ 40 |
| Grade | C% | Mn% | Si% | Cr% | Ni% | Mo% |
|---|---|---|---|---|---|---|
| 304 | 0.08 | 2.00 | 0.75 | 18–20 | 8–10.5 | - |
| 304L | 0.03 | 2.00 | 0.75 | 18–20 | 8–12 | - |
| 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 |
| 310S | 0.08 | 2.00 | 1.50 | 24–26 | 19–22 | - |
| 317 | 0.08 | 2.00 | 0.75 | 18–20 | 11–15 | 3–4 |
| 321 | 0.08 | 2.00 | 0.75 | 17–19 | 9–12 | - |
Stainless steel welded pipes play a critical role in modern infrastructure and industrial systems. Their versatility, corrosion resistance, and cost-effectiveness make them suitable for both low-pressure and high-performance environments.
Stainless steel welded pipes from Rajendra Tubinox deliver reliability, durability, and performance, making them a preferred choice for critical industrial applications worldwide.
Rajendra Tubinox brings years of experience in manufacturing stainless steel welded pipes that meet international quality standards and project-specific requirements.
We maintain a large and ready stock of various grades, sizes, and thicknesses, ensuring quick dispatch and reduced lead times for urgent project requirements.
Our use of TIG, ERW, and Laser Welding ensures precision, strength, and consistency in every pipe we produce.
We understand that every project is unique. Our team offers custom sizes, finishes, and specifications tailored to your exact needs.
All products are manufactured under strict quality guidelines and comply with international standards such as ASTM and ASME.
We support inspections from agencies like SGS, TUV, BV, ensuring transparency and trust for international buyers.
Result: When you choose Rajendra Tubinox, you partner with a manufacturer that delivers consistent quality, dependable supply, and long-term value.
Rajendra Tubinox supplies stainless steel welded pipes to a wide range of industries that demand high-performance materials and reliable supply chains.
Welded pipes are made by welding steel plates, while seamless pipes are manufactured without joints. Welded pipes are more cost-effective and suitable for large diameters.
Common grades include 304, 304L, 316, 316L, 310S, 321, and 347.
Yes, all our pipes comply with international standards such as ASTM and ASME, making them suitable for global projects.
Yes, we offer custom sizes, thicknesses, and finishes based on project requirements.
We provide Mill Test Certificates along with ISO and PED certifications.
Industries such as oil & gas, chemical, construction, and power plants widely use them.
We maintain ready stock for fast delivery, and custom orders are processed based on project timelines.
Looking for a dependable stainless steel welded pipes manufacturer in India for your next project? Rajendra Tubinox is ready to support your requirements with high-quality products, competitive pricing, and fast delivery timelines.
Simply share your requirement details including:
Our team will provide a quick quotation along with technical specifications and delivery timelines.