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Table of Content
- Most Common Types of SS 304 Seamless Coil Tubing
- SS 304 Seamless Coil Tubing Specifications
- SS 304 Seamless Coil Tubing Properties
- SS 304 Seamless Coil Tubing Dimensions Chart
- SS 304 Seamless Coil Tubing Thickness Chart
- SS 304 Seamless Coil Tubing Packing & Marking
- Why Choose Neeka Tubes for 304 Stainless Steel Coil Tubing?
- Applications of 304 Stainless Steel Coil Tubing
Stainless steel 304 seamless coil tubing is a strong, flexible, and corrosion-resistant tubing used across many industries. Made from 304 grade stainless steel, it offers excellent formability, a clean finish, and high resistance to chemicals and moisture. Neeka Tubes is a reliable SS 304 coil tube manufacturer in India, offering this tubing in customized sizes with quick shipping and full quality compliance. The seamless structure of stainless steel tube coil increases strength and can withstand high pressure without failing. It is widely utilized in heat exchangers, instrumentation lines, and oil and gas systems where leak-free performance is critical. As a reliable 304 SS coiled tubing supplier, we ensure every tube meets your exact needs.
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What Is SS 304 Seamless Coil Tubing?
SS 304 seamless coil tubing is a continuous length of stainless steel tube with no welded joints. It is designed for applications requiring strong corrosion resistance, flexibility and dependable pressure handling. It’s made of robust 304 stainless steel and meets ASTM A269 and A213 seamless requirements. The tubing is perfect for fluid, gas, and instrumentation lines where leak-free performance matters. Its seamless form reduces failure points, boosting system safety, and service life. Supplied in coil form, it allows longer runs with fewer connections, saving space and cutting installation time. As trusted stainless steel 304 seamless tubing manufacturers in India, we deliver high-quality tubes designed for critical industrial applications.
Key Advantages of SS 304 Seamless Coil Tubing
304 stainless steel seamless coil tubing is a popular choice for industries that require cleanliness, strength and corrosion resistance throughout every run.
- Crevice-free inner surface – The smooth internal diameter of SS 304 seamless coil tubing allows steady flow and prevents contamination or buildup.
- Strong resistance to chemicals and pressure: It is resistant to thinning or cracking when exposed to acids, corrosive fluids, and system pressure.
- Fewer fittings, fewer leaks – Long coil lengths reduce the need for joints, cutting down leak points and installation time.
- Easy to bend and route – Ideal for onsite coiling, bending, and complex routing without cracking or kinking.
- Consistent strength over long distances – Provides dependable performance during long runs without compromising structural integrity.
- Trusted in instrumentation lines – Stainless steel seamless coil tubes are frequently used in control systems, that require accuracy and longevity.
Standard Sizes & Coil Lengths
304 stainless steel coil tubing is available in a wide range of sizes to meet the flow, pressure, and layout needs of different industries. As a reliable supplier of 304 SS coil tubes in India, we provide tubing with wall thicknesses ranging from 0.020 to 0.065 (0.5 mm to 1.65 mm) and outer diameters between 1/8 and 1 (3.18 mm to 25.4 mm). Standard coil lengths go up to 1500 ft, ideal for long, continuous runs without joints. We also offer custom stainless steel 304 seamless coil tubing diameters upon request, including cut-to-length alternatives for exact installations. To ensure safe handling and shipping, each coil is carefully wrapped in hardwood reels or export-grade wooden boxes.
Most Common Types of SS 304 Seamless Coil Tubing
Stainless Seamless 304 Coil Tubing
SS 304 Seamless Pipe Coil
SS 304 Welded Seamless Coil Tubing
SS 304 Seamless Coil Tubing
Stainless Steel 304 Seamless Coil Tubing Specifications
| Standard | ASTM A269 / ASME SA 269, ASTM A213 / ASME SA213, EN10216-5, JIS G3463 |
| Tolerance | D4/T4 |
| Strength | Tensile, Burst |
| Hardness | Rockwell, Micro |
| Soundness Tests | Eddy Current, Ultrasonic |
| Leak & Strength | Hydrostatic |
| Value Added Services |
Cutting, Beveling, Threading, Polishing (Electro & Commercial), Draw & Expansion as per required Size & Length, Destructive and Non-Destructive Testing, Ultrasonic Testing, Annealed & Pickled Bending |
| Available Sizes in Stock | 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 7/8″, 3/4″, 1″, 1-1/2″ |
| End | Plain End |
| Port | Mumbai, India |
| Types & Their Application |
Solar Heater Coil Tube, Evaporator Coil Tube, Steam Coil Tube, Bear Cooling Coil Tube, Cooling Tower Coil Tube, Condenser, Boiler Coil Tube |
Looking for the Fastest Delivery of SS 304 Seamless Coil Tubing in Mumbai? Find Your Sizes and Thickness of SS 304 Seamless Coil Tubes in Our Ready Stock.
SS 304 Seamless Coil Tubing Chemical Composition
| Grade | Cr | Ni | C | Mo | Mn | Si | P | S |
| T304/L (UNS S30400/UNS S30403) | 18.0 – 20.0 | 8.0 – 12.0 | 0.035 | N/A | 2.00 | 1.00 | 0.045 | 0.030 |
SS 304 Seamless Coil Tubing Mechanical Properties
| Material | Temperature (°F) | Tensile Strength (Ksi) | Yield Strength (Ksi) | Elongation (%) |
| Minimum | Ksi | Ksi | ||
| TP304 | 1900 | 75 | 30 | 35 |
Equivalent Grades for SS 304 Seamless Coil Tubing
| STANDARD | UNS | WERKSTOFF NR. |
| SS 304 | S31000 | 1.4841 |
Contact Neeka Tubes today for the best offer & competitive quotation of SS 304 Seamless Coil Tubing.
Please Call on +91 7700067892 or drop an E-Mail: sales@neekatubes.net
Stainless Steel 304 Seamless Coil Tubing Dimensions
| Nominal size in inches | Outside diameter in inches | Outside diameter in mm | Wall thickness in inches | Wall thickness in mm | Weight [lbs/feet] | Weight [kg/meter] |
|---|---|---|---|---|---|---|
| 1/8 6 | 0.41 | 10.3 | 0.068 | 1.73 | 0.24 | 0.37 |
| 1/4 8 | 0.54 | 13.7 | 0.088 | 2.24 | 0.42 | 0.63 |
| 3/8 10 | 0.68 | 17.1 | 0.091 | 2.31 | 0.57 | 0.84 |
| 1/2 15 | 0.84 | 21.3 | 0.109 | 2.77 | 0.85 | 1.27 |
| 3/4 20 | 1.05 | 26.7 | 0.113 | 2.87 | 1.13 | 1.69 |
| 1 25 | 1.32 | 33.4 | 0.133 | 3.38 | 1.68 | 2.5 |
| 1 1/4 32 | 1.66 | 42.2 | 0.14 | 3.56 | 2.27 | 3.39 |
| 1 1/2 40 | 1.9 | 48.3 | 0.145 | 3.68 | 2.72 | 4.05 |
| 2 50 | 2.375 | 60.3 | 0.154 | 3.91 | 3.65 | 5.44 |
| 2 1/2 65 | 2.875 | 73 | 0.203 | 5.16 | 5.79 | 8.63 |
| 3 80 | 3.5 | 88.9 | 0.216 | 5.49 | 7.58 | 11.29 |
| 3 1/2 90 | 4 | 101.6 | 0.226 | 5.74 | 9.11 | 13.57 |
| 4 100 | 4.5 | 114.3 | 0.237 | 6.02 | 10.79 | 16.07 |
| 5 125 | 5.563 | 141.3 | 0.258 | 6.55 | 14.62 | 21.77 |
| 6 150 | 6.625 | 168.3 | 0.28 | 7.11 | 18.97 | 28.26 |
| 8 200 | 8.625 | 219.1 | 0.322 | 8.18 | 28.55 | 42.55 |
| 10 250 | 10.75 | 273 | 0.365 | 9.27 | 40.48 | 60.31 |
| 12 300 | 12.75 | 323.8 | 0.406 | 10.31 | 53.52 | 79.73 |
| 14 350 | 14 | 355.6 | 0.437 | 11.13 | 54.57 | 94.55 |
| 16 400 | 16 | 406.4 | 0.5 | 12.7 | 82.77 | 123.3 |
| 18 450 | 18 | 457 | 0.562 | 14.27 | 104.67 | 155.8 |
| 20 500 | 20 | 508 | 0.594 | 15.09 | 123.11 | 183.42 |
| 24 600 | 24 | 610 | 0.688 | 17.48 | 171.29 | 255.41 |
| 32 800 | 32 | 813 | 0.688 | 17.48 | 230.08 | 342.91 |
Stainless Steel 304 Seamless Coil Tubing Thickness Chart
| SIZE | OD | WALL | AVG. LENGTH(FEET) +/- |
|---|---|---|---|
| .125 inches OD X .035 inches W | 0.125 | 0.035 | 6,367 |
| .250 inches OD X .035 inches W | 0.250 | 0.035 | 2,665 |
| .250 inches OD X .035 inches W (15 Ra Max) | 0.250 | 0.035 | 2,665 |
| .250 inches OD X .049 inches W | 0.250 | 0.049 | 2,036 |
| .250 inches OD X .065 inches W | 0.250 | 0.065 | 1,668 |
| .375 inches OD X .035 inches W | 0.375 | 0.035 | 1,685 |
| .375 inches OD X .035 inches W (15 Ra Max) | 0.375 | 0.035 | 1,685 |
| .375 inches OD X .049 inches W | 0.375 | 0.049 | 1,225 |
| .375 inches OD X .065 inches W | 0.375 | 0.065 | 995 |
| .500 inches OD X .035 inches W | 0.500 | 0.035 | 1,232 |
| .500 inches OD X .049 inches W | 0.500 | 0.049 | 909 |
| .500 inches OD X .049 inches W (15 Ra Max) | 0.500 | 0.049 | 909 |
| .500 inches OD X .065 inches W | 0.500 | 0.065 | 708 |
| .750 inches OD X .049 inches W | 0.750 | 0.049 | 584 |
| .750 inches OD X .065 inches W | 0.750 | 0.065 | 450 |
| 6 MM OD X 1 MM W | 6milimeter | 1milimeter | 2,610 |
| 8 MM OD X 1 MM W | 8milimeter | 1milimeter | 1,863 |
| 10 MM OD X 1 MM W | 10milimeter | 1milimeter | 1,449 |
| 12 MM OD X 1 MM W | 12milimeter | 1milimeter | 1,188 |
Packaging & Delivery – Domestic & Export
Every order is carefully wrapped to ensure safe delivery, whether across the country or overseas. For packaging SS 304 tubing, we wind coil tubes on strong spools or plastic reels. Each tube gets capped and bundled to protect the ends. We wrap them in LDPE sheets and seal them in wooden boxes built to handle rough handling. Our export packaging meets strict ISPM 15 standards. For smooth tracking, we add custom labels and barcodes. From fast dispatch to reliable global logistics, we ensure your stainless steel coil tube arrives on time and in perfect condition.
Testing & Certifications for Stainless Steel 304 Coil Tubing
Every stainless steel 304 coil tube goes through strict quality checks before it leaves our facility. Our SS 304 tubing testing covers hydrostatic and pneumatic pressure tests to ensure leak-proof strength. We use eddy current and ultrasonic testing to spot internal defects early. Positive Material Identification (PMI) confirms the right chemical composition. We offer third-party inspections upon request to provide further assurance. Each order includes a Mill Test Certificate as per EN 10204 3.1 or 3.2. For essential applications, we also provide compliance with NACE MR0175 / ISO 15156. These stainless steel 304 tube certificates verify that your tubing is tested, traceable and appropriate for use in harsh environments.
Why Choose Neeka Tubes for 304 Stainless Steel Coil Tubing?
Neeka Tubes is a trusted stainless steel 304 seamless tubing manufacturers in India. We focus on delivering quality, reliability, and service that meet the demands of both domestic and global customers.
- Our production facility is ISO 9001 certified, assuring that each coil tube is manufactured using tight quality controls and traceable methods.
- We maintain a wide inventory of SS 304 seamless coil tubing in various sizes and specifications, allowing for quick dispatch and reduced lead times.
- From precision cutting and coil straightening to tube bending, and end preparation, we offer tailored fabrication solutions to match your exact requirements.
- Our strong logistics system enables prompt and safe delivery, whether it’s a local shipment or an international order, backed by reliable tracking and documentation.
- We offer affordable pricing for both domestic and export markets without compromising on quality, helping clients manage costs effectively.
- With a proven track record, technical expertise, and responsive service, we are known as a leading SS 304 seamless coil tube manufacturer in India.
Surface Finish & Fabrication Options
We provide customized fabrication to meet your demands, and offer SS 304 seamless coil tubing in a variety of surface finishes. We provide 304 stainless steel coil tube finishes in bright annealed, pickled, or passivated, all tested for surface purity and smoothness. Tubes come with clean inner diameters, ideal for hygienic and clean-room use. We provide SS coil tubing fabrication services, including as coil straightening, accurate deburring and cut-to-length. On request, customization of bending, orbital welding or end prep is provided. Every piece meets tight QC standards for size and finish. We supply BA/AP stainless steel tubing for critical applications and fast turnaround.
Searching for Ready Stock of Stainless Steel 304 Seamless Coil Tubing in Mumbai?
Applications of 304 Stainless Steel Coil Tubing
304 stainless steel coil tubing is used in vital systems, where corrosion resistance, dependability, and cleanliness are crucial. It provides seamless, leak-free operation in hydraulic control lines and instrumentation under pressure. 304 stainless steel coil tubing applications include chemical injection and sampling systems where precise flow and material purity matter. Offshore oil and gas rigs use seamless stainless steel coil tubing in umbilicals and control systems for its strength and flexibility. In the food, dairy, and pharmaceutical industries, it promotes sanitary fluid transmission and easy cleaning. It is also used in heat exchangers and condenser coils to ensure proper thermal transfer. Petrochemical plants, which require tough, long-lasting tubing due to high temperatures and abrasive fluids, also employ SS 304 coil tubing.
