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Girgaon, Mumbai - 400004
Stainless Steel 304 Seamless Tubes
Manufacturer & Stockist of Stainless Steel 304 Seamless Tubes
Kamal Steels is a leading Manufacturer and Stockist of Stainless Steel 304 Seamless Tubes. We supply premium-quality tubing made from Stainless Steel 304 (UNS S30400 / WNR 1.4301), suitable for applications that require excellent corrosion resistance, high strength and long service life.
Our SS 304 seamless tubes are manufactured in accordance with ASTM A213, ASTM A269, ASTM A249, ASME SA213 and ASME SA269 standards. They are available in multiple outside diameters, wall thicknesses, finishes and custom lengths to meet domestic and export requirements.
Why Choose Stainless Steel 304 Seamless Tubes?
Stainless Steel 304 Seamless Tubes are widely used because they offer excellent corrosion resistance, good weldability, strong mechanical properties and reliable performance in demanding conditions. The seamless construction provides a uniform structure, better pressure handling and improved leak resistance compared to welded tubing.
These tubes perform well in both high-temperature and low-temperature environments and are suitable for hygienic as well as industrial use. Their smooth internal surface supports clean fluid flow and helps reduce contamination in sensitive applications.
Stainless Steel 304 Seamless Tube Specifications
Kamal Steels manufactures and supplies Stainless Steel 304 Seamless Tubes in accordance with internationally recognized ASTM, ASME, and EN standards. Manufactured from premium-quality Stainless Steel 304 (UNS S30400 / WNR 1.4301), these seamless tubes provide excellent corrosion resistance, superior dimensional accuracy, high mechanical strength and outstanding performance in demanding industrial environments. Our SS 304 Seamless Tubes are available in various outside diameters, wall thicknesses, schedules, finishes and custom lengths to meet the requirements of heat exchangers, instrumentation, pharmaceutical, food processing, oil & gas, chemical processing and power generation industries.
| Product | Stainless Steel 304 Seamless Tubes |
|---|---|
| Material Grade | Stainless Steel 304 (UNS S30400 / WNR 1.4301) |
| Specifications | ASTM A213, ASTM A269, ASTM A249, ASME SA213, ASME SA269 |
| Tube Type | Seamless |
| Outside Diameter | 6.35 mm to 101.6 mm (1/4" to 4") |
| Wall Thickness | 0.5 mm to 12 mm |
| Length | Single Random, Double Random, 6 Meter & Custom Cut Lengths |
| Surface Finish | Annealed & Pickled (AP), Bright Annealed (BA), Polished |
| End Finish | Plain End, Beveled End |
| Certification | EN 10204 3.1 Mill Test Certificate (MTC) |
Features & Benefits of Stainless Steel 304 Seamless Tubes
- Excellent corrosion and oxidation resistance.
- Seamless construction for higher pressure applications.
- Superior mechanical strength and durability.
- Excellent weldability and fabrication characteristics.
- Outstanding resistance to chemicals and moisture.
- Smooth internal surface for improved fluid flow.
- Good performance at elevated and cryogenic temperatures.
- Excellent hygienic properties for sanitary applications.
- Available in multiple outside diameters and wall thicknesses.
- Supplied in annealed, pickled, polished, and bright annealed finishes.
- Complete material traceability with EN 10204 3.1 Mill Test Certificates.
- Ideal for heat exchangers, condensers, instrumentation, pharmaceutical, food processing, chemical processing, and oil & gas industries.
Chemical Composition of Stainless Steel 304
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 Max |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 10.50 |
| Manganese (Mn) | 2.00 Max |
| Silicon (Si) | 1.00 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.030 Max |
| Nitrogen (N) | 0.10 Max |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 304 Seamless Tubes
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa Minimum |
| Yield Strength | 205 MPa Minimum |
| Elongation | 35% Minimum |
| Hardness | 95 HRB Maximum |
| Density | 8.00 g/cm³ |
Equivalent Grades of Stainless Steel 304
| Standard | Equivalent Grade |
|---|---|
| UNS | S30400 |
| Werkstoff No. | 1.4301 |
| EN | X5CrNi18-10 |
| AISI | 304 |
| ISO | X5CrNi18-10 |
Applications of Stainless Steel 304 Seamless Tubes
Stainless Steel 304 Seamless Tubes are widely used across industries that require excellent corrosion resistance, high mechanical strength, hygienic performance and reliable pressure handling capability. Their seamless construction eliminates weld joints, making them ideal for high-pressure, high-temperature, and critical process applications. With outstanding resistance to oxidation, chemicals and atmospheric corrosion, SS 304 Seamless Tubes provide dependable performance and long service life in demanding industrial environments.
- Heat Exchangers & Condensers
- Oil & Gas Processing Plants
- Chemical & Petrochemical Industries
- Pharmaceutical Manufacturing
- Food & Beverage Processing Plants
- Dairy & Hygienic Processing Equipment
- Power Generation Plants
- Instrumentation & Hydraulic Systems
- Water Treatment & Desalination Plants
- Pulp & Paper Industries
- Marine & Offshore Applications
- General Engineering & Process Industries
Why Industries Trust Kamal Steels
- Leading manufacturer and stockist of SS 304 Seamless Tubes.
- Large ready stock for immediate domestic and export delivery.
- Manufactured according to ASTM A213, ASTM A269, and ASME standards.
- Available in multiple sizes, wall thicknesses, and surface finishes.
- Advanced quality inspection before every shipment.
- EN 10204 3.1 Mill Test Certificates with full material traceability.
- Competitive pricing with consistent product availability.
- Export-quality packaging for safe international transportation.
- Technical assistance for material selection and application requirements.
- Reliable worldwide logistics with on-time delivery.
Frequently Asked Questions
Stainless Steel 304 Seamless Tubes are weld-free tubes manufactured from Stainless Steel 304 (UNS S30400 / WNR 1.4301), offering excellent corrosion resistance, high strength and superior pressure handling capability.
Our Stainless Steel 304 Seamless Tubes are manufactured according to ASTM A213, ASTM A269, ASTM A249, ASME SA213 and ASME SA269 international standards.
They offer outstanding corrosion resistance, seamless construction, excellent mechanical strength, superior weldability, hygienic properties, smooth internal surfaces and excellent performance under high-pressure and high-temperature conditions.
These tubes are widely used in heat exchangers, condensers, pharmaceutical plants, food processing industries, oil & gas, chemical processing, instrumentation, hydraulic systems, power generation and water treatment plants.
SS 304 Seamless Tubes are available in various outside diameters, wall thicknesses, schedules, surface finishes, and custom cut lengths to meet diverse industrial requirements.
Every tube undergoes Hydrostatic Testing, Eddy Current Testing (ECT), Ultrasonic Testing (UT), Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Flattening Test, Flaring Test and Dimensional Inspection.
Yes. Their hygienic surface finish, excellent corrosion resistance, and easy cleanability make them ideal for food processing, dairy, beverage, pharmaceutical and biotechnology applications.
Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates, inspection reports, material traceability documents, and third-party inspection certificates upon customer request.
Yes. Stainless Steel 304 Seamless Tubes offer excellent oxidation resistance and maintain good mechanical properties at elevated temperatures, making them suitable for heat exchangers and high-temperature process systems.
Kamal Steels offers certified ASTM-compliant Stainless Steel 304 Seamless Tubes, ready stock, competitive pricing, strict quality control, export-standard packaging, complete documentation and timely worldwide delivery for critical industrial applications.