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Neeka Tubes is a reliable supplier and manufacturer of Stainless Steel Seamless Tubing. We provide top-quality products all over the world. Stainless Steel Seamless Tubing is a type of tubing made without any welded joints ensuring uniform strength and superior performance. It is manufactured through an extrusion or rotary piercing process, providing a smooth and continuous surface. This makes them strong, durable and not easily damaged. Stainless Steel Seamless Tubing is ideal for high-pressure and essential uses in many industries. It has good strength and works well in difficult conditions.
Stainless Steel Seamless Tubing is made using new techniques like extrusion, cold drawing, and piercing. These ways help to produce strong and even tubes. We manufacture stainless steel seamless tubing to meet worldwide standards. This includes ASTM A-213 for boiler and heat exchanger tubes, ASTM A-269 for tubing that resists wear, and ASTM A-511 for tubing used in various situations. Among the most commonly requested variants are 304 stainless steel seamless tubes, known for their excellent weldability, corrosion resistance, and performance across a wide range of industrial environments.
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Features of Stainless Steel Seamless Tubing
- Superior Strength & Corrosion Resistance – Withstand extreme temperatures and harsh environments.
- Precision & Smooth Finish – High dimensional accuracy ensures seamless flow in applications.
- High Melting Point & Density – Our tubes have a density of 7.9 g/cm³ and melting point of 1400°C – 1450°C.
- Leak-Free Performance – No welded seams eliminate risks of leakage and pressure failure.
- Versatile & Durable – Suitable for high-pressure and temperature conditions in multiple industries.
Stainless Steel Seamless Tubing is used in industries where high pressure, temperature and corrosion resistance are crucial. Some of the key applications include marine applications because of high resistance to seawater corrosion, food & beverage processing for hygienic and easy to clean solutions, pharmaceuticals for sterility and contamination free transport, and power generation where it is used in heat exchangers and boilers. In chemical & petrochemical industries, the tubing is extensively used to handle aggressive chemicals safely in a safe manner, in mechanical & plant engineering for structural and industrial frameworks, in the oil & gas industry where ss seamless 316 tube and ss seamless 304 tube are commonly selected based on specific material needs.
Most Common Types of Stainless Steel Seamless Tubing
SS Seamless Tube
SS Seamless Round Tube
SS Seamless square Tube
SS Seamless Rectangular Tube
SS Seamless Steel Coil Tube
Stainless Steel Capillary Seamless Tube
Stainless Steel Seamless Polished Tube
Stainless Steel Cold Drawn Seamless Tube
Stainless Steel Seamless Tubing Specifications
| Tube Range | 1/2″ OD – 12″ OD, Guage: 25 SWG – 10 SWG |
| Outer Diameter | 3.00 mm – 219.10 mm |
| Wall Thickness | 0.40 mm – 12.70 mm |
| Schedules | 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH |
| Length | Upto 30 meters, Custom Cut Lengths |
| Specifications | ASTM A213 / ASTM SA213 |
| Types | Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes |
Looking For Fastest Delivery of Stainless Steel Tubing in Mumbai? Find Your Sizes and Thickness of SS Seamless Tube in Our Ready Stock.
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Stainless Steel Seamless Tubing Dimensions
| Nominal Bore Chart | Outside Diameter (O.D) | Schedule 5S | Schedule 10S | Schedule 40S | Schedule 80S | Schedule 160S | Schedule XXS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wt mm | Weight (Kg./mt) | Wt mm | Weight (Kg./mt) | Wt mm | Weight (Kg./mt) | Wt mm | Weight (Kg./mt) | Wt mm | Weight (Kg./mt) | Wt mm | Weight (Kg./mt) | ||
| 3 | 10.3 | 1.24 | 0.276 | 1.24 | 0.28 | 1.73 | 0.37 | 2.41 | 0.47 | – | – | – | – |
| 6 | 13.7 | 1.24 | 0.390 | 1.65 | 0.49 | 2.24 | 0.631 | 3.02 | 0.80 | – | – | – | – |
| 10 | 17.1 | 1.24 | 0.490 | 1.65 | 0.63 | 2.31 | 0.845 | 3.20 | 1.10 | – | – | – | – |
| 15 | 21.3 | 1.65 | 0.800 | 2.11 | 1.00 | 2.77 | 1.27 | 3.75 | 1.62 | 4.75 | 1.94 | 7.47 | 2.55 |
| 20 | 26.7 | 1.65 | 1.03 | 2.11 | 1.28 | 2.87 | 1.68 | 3.91 | 2.20 | 5.54 | 2.89 | 7.82 | 3.63 |
| 25 | 33.4 | 1.65 | 1.30 | 2.77 | 2.09 | 3.38 | 2.50 | 4.55 | 3.24 | 6.35 | 4.24 | 9.09 | 5.45 |
| 40 | 48.3 | 1.65 | 1.91 | 2.77 | 3.11 | 3.68 | 4.05 | 5.08 | 5.41 | 7.14 | 7.25 | 10.16 | 9.54 |
| 50 | 60.3 | 1.65 | 2.40 | 2.77 | 3.93 | 3.91 | 5.44 | 5.54 | 7.48 | 8.74 | 11.1 | 11.07 | 13.44 |
| 100 | 114.3 | 2.11 | 5.84 | 3.05 | 8.36 | 6.02 | 16.07 | 8.56 | 22.3 | 13.49 | 33.54 | 17.12 | 41.03 |
| 200 | 219.1 | 2.77 | 14.79 | 3.76 | 19.96 | 8.18 | 42.6 | 12.7 | 64.6 | 23.0 | 111.2 | 22.23 | 107.8 |
| 300 | 323.9 | 3.96 | 31.36 | 4.57 | 36.07 | 12.70 | 97.5 | 17.48 | 131.0 | 30.23 | 238.76 | 35.56 | 282.79 |
| 600 | 609.6 | 5.54 | 82.47 | 6.35 | 94.45 | 17.48 | 255.41 | 30.96 | 442.08 | 59.54 | 808.22 | – | – |
Thickness Chart of SS Seamless Tubing
| Sizes | SCH 10 304 Grade Stainless Steel Pipe | O.D | |
| DIA | |||
| Inch | DN | Thickness | Millimetre (mm) |
| 1 Inch | DN 25 | 2.77 | 33.4 |
| 2 Inch | DN 50 | 2.77 | 60.3 |
| 3 Inch | DN 80 | 3.05 | 88.9 |
| 4 Inch | DN 100 | 3.05 | 114.3 |
| 5 Inch | DN 125 | 3.43 | 141.3 |
| 6 Inch | DN 150 | 3.43 | 168.3 |
| 8 Inch | DN 200 | 3.76 | 219.1 |
| 10 Inch | DN 250 | 4.19 | 273.1 |
| 11/2 Inch | DN 40 | 2.77 | 48.3 |
| 11/4 Inch | DN 32 | 2.77 | 24.2 |
| 12 Inch | DN 300 | 4.57 | 323.9 |
| 14 Inch | DN 350 | 6.35 | 355.6 |
| 16 Inch | DN 400 | 6.35 | 406.4 |
| 18 Inch | DN 450 | 6.35 | 457.2 |
| 21/2 Inch | DN 65 | 3.05 | 73 |
| 22 Inch | DN 550 | 6.35 | 558.8 |
| 24 Inch | DN 600 | 6.35 | 609.6 |
| 34 Inch | DN 850 | 7.92 | 863.6 |
| 31/2 Inch | DN 90 | 3.05 | 101.6 |
| 36 Inch | DN 900 | 7.92 | 914.4 |
SS Seamless Tubing Packing & Marking
Packaging, Delivery & Marking Details
We ensure secure packaging and delivery to maintain the quality of Stainless Steel Seamless Tubing. Our tubes are packed in wooden crates, bubble-wrapped and capped to prevent damage during transit.
Clear markings include grade, size, heat number and manufacturer’s logo for easy identification. Our efficient logistics network ensures timely delivery to global destinations, that meet customer needs with precision and reliability.
Quality Tests & Certifications
We conduct strict quality checks to ensure that every Stainless Steel Seamless Tubing meets industry standards. Testing includes hydrostatic testing to check pressure resistance, eddy current testing for surface defect detection, ultrasonic testing for internal flaw detection and chemical & mechanical testing to confirm material properties. All tubes are supplied with Mill Test Certificates (MTC), EN 10204 3.1 & 3.2 certifications to guarantee quality and traceability.
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Industrial Application of SS Seamless Tubes
