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Neeka Tubes is a trusted global manufacturer and supplier of Stainless Steel 304 Seamless Tubing. Our SS 304 seamless pipe is known for its excellent corrosion resistance, durability and versatility which makes it ideal for multiple industrial applications.
Our ASTM A312 TP304 Seamless Pipe is made from a precise composition of its chemical content to produce high quality. It is composed of 18-20% chromium, 8-10.5% nickel, 0.08% maximum carbon, and other components that make it strong and resistant. It has a minimum tensile strength of 515 MPa, and a yield strength of 205 MPa with an elongation of 40%. The hardness is limited to 92 HRB or 201 HB max. Our tubes conform to ASTM A312, ASME SA312, ASTM A358, and ASME SA358 standards and come in sizes from 1/8” NB to 30” NB. If you’re looking for a product with enhanced corrosion resistance, our SS 304L Seamless tube is also available.
Premium Grade 304 Stainless Steel Tubing, Best Deals On 304 Stainless Steel Seamless Tubing, The largest Stockist of 304 Stainless Seamless Tubing in Mumbai.
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Benefits of Stainless Steel 304 Seamless Tubing
- High Corrosion Resistance – Excellent resistance to oxidation and rust in various environments.
- High-Temperature Resistance – It can operate efficiently at 870°C.
- Superior Strength & Durability – Withstands high pressure and temperature conditions.
- Excellent Weldability & Formability – Easily fabricated for different applications.
- Low Maintenance – Long-lasting material requiring minimal upkeep.
SS 304 seamless pipe is utilized in various structural applications in the construction field, engineering, power plants and petroleum industries. It is also used in food processing, pharmaceuticals, marine and chemical processing because it is non-reactive in nature. Its durability makes it suitable for fluid transport, heat exchangers and structural components.
Most Common Types of Stainless Steel 304 Seamless Tubing
SS 304 Seamless Tube
304 SS Round Tube
SS 304 square Tube
SS 304 Rectangular Tube
SS 304 Welded Steel Coil Tube
304 Stainless Steel Capillary Tube
Stainless Steel 304 Polished Tube
Stainless Steel 304 Cold Drawn Seamless Tube
Stainless Steel 304 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 304 Stainless Steel Tubing in Mumbai? Find Your Sizes and Thickness of SS 304 Seamless Tube in Our Ready Stock.
304 Stainless Steel Tubing Chemical Composition
| C | Mn | Si | P | S | Cr | Ni | Fe | |
| 304 | 0.08 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 8.0 – 10.5 | Balance |
304 Stainless Steel Tubing Mechanical Properties
| 304 | |
| Density | 8 |
| Melting Range,℃ | 1400 ℃ |
| Elongation % | 40 |
| Tensile Strength (Mpa) | 515 |
| Yield Strength (Mpa) | 205 |
| Hardness (Brinell) | 201 |
Equivalent Grades For 304 Stainless Steel Seamless Tubing
| Type | UNS | JIS | EN/DIN | EN/BS | EN/NF | ISO | GB | GOST |
| 304 | S30400 | SUS304 | X5CrNi18-10 | 304S31 | Z7CN18.09 | 11 | 0Cr18Ni9 | 08KH18H10 |
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Stainless Steel 304 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 304 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 304 Seamless Tubing Packing & Marking
Packaging
In order to avoid any form of harm during transportation, we ensure that the SS 304 seamless pipe is packed in wooden cases and covered with plastic caps and bubble wraps.
Every pipe is properly tagged with the grade, size and heat number to ensure that there is easy identification of the pipes. We ensure timely delivery with efficient logistics, meeting global customer demands effectively.
Quality Tests & Certifications
We ensure premium quality by conducting hydrostatic tests, ultrasonic testing and mechanical analysis on all 304 seamless pipes. Each product undergoes third-party inspections, PMI testing and radiography testing. Our certificates like MTC (Mill Test Certificate) as per EN 10204 3.1/3.2, along with NABL-approved lab reports are provided for assurance.
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Industrial Application of SS 304 Seamless Tubes
