Girgaon, Mumbai - 400004
Kamal Steels is a leading Manufacturer and Stockist of Stainless Steel 310 Welded Tubes, supplying premium-quality welded tubing solutions for boilers, superheaters, heat exchangers, petrochemical plants, refineries, furnaces, power generation facilities, and other high-temperature industrial applications. Manufactured from Stainless Steel 310 (UNS S31000 / WNR 1.4845), our welded tubes are produced in accordance with ASTM A249, ASTM A269, ASTM A270, ASTM A554 and ASME SA249 standards, ensuring excellent dimensional accuracy, superior weld quality, exceptional oxidation resistance, and dependable mechanical performance. Stainless Steel 310 is a high chromium-nickel austenitic stainless steel specifically developed for elevated-temperature service where excellent heat resistance and corrosion resistance are required.
Our Stainless Steel 310 Welded Tubes are manufactured using premium-quality stainless steel strips that are precision roll-formed and automatically welded using advanced TIG/ERW welding technology. The tubes are subsequently solution annealed, pickled, straightened, polished, and thoroughly inspected to achieve smooth surface finishes, excellent dimensional tolerances, and long service life. These welded tubes provide excellent resistance to oxidation, scaling, sulfidation, and thermal cycling, making them ideal for heat exchangers, condensers, furnace equipment, radiant tubes, pressure vessels, process piping, instrumentation systems, and other demanding industrial applications.
At Kamal Steels, we maintain a comprehensive inventory of ASTM A249 Stainless Steel 310 Welded Tubes in various outside diameters, wall thicknesses, schedules, surface finishes, and custom lengths to meet urgent domestic and international project requirements. Every tube undergoes rigorous quality inspections, including Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection before dispatch. With certified quality, competitive pricing, export-standard packaging, and prompt worldwide delivery, Kamal Steels has established itself as a trusted manufacturer and supplier of Stainless Steel 310 Welded Tubes for critical high-temperature industrial applications across global markets.

Stainless Steel 310 Welded Tubes are specially designed for applications involving continuous exposure to elevated temperatures and aggressive industrial environments. With a high chromium and nickel content, Stainless Steel 310 offers exceptional resistance to oxidation, scaling, carburization, and thermal fatigue while maintaining excellent mechanical strength at high temperatures. Manufactured using premium-quality stainless steel strips and advanced TIG/ERW welding technology, these tubes provide outstanding dimensional accuracy, smooth surface finishes, and long-term durability.
One of the key advantages of Stainless Steel 310 Welded Tubes is their excellent performance under cyclic heating and high-temperature operating conditions. They retain their structural integrity at temperatures up to approximately 1100°C in continuous service under suitable conditions, making them suitable for furnaces, boilers, heat exchangers, radiant tubes, petrochemical processing units, refineries, power plants, and thermal processing equipment. Their excellent weldability and fabrication characteristics also allow easy installation and maintenance across various industrial systems.
At Kamal Steels, we manufacture and supply premium-quality ASTM A249 Stainless Steel 310 Welded Tubes produced according to international quality standards. Every welded tube undergoes comprehensive quality inspections, including Mechanical Testing, Chemical Analysis, Positive Material Identification (PMI), Hydrostatic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection to ensure exceptional product quality, reliability, and complete customer satisfaction.
Kamal Steels supplies Stainless Steel 310 Welded Tubes in a comprehensive range of dimensions, schedules, surface finishes, and international specifications to meet the requirements of furnaces, boilers, heat exchangers, petrochemical plants, refineries, power generation facilities, and other high-temperature industrial applications. Our welded tubes are manufactured with stringent quality control to ensure excellent weld integrity, superior dimensional accuracy, and dependable performance under elevated operating temperatures.
| Specifications | ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, ASME SA269 |
|---|---|
| Standard | ASTM, ASME, DIN, EN, ISO, JIS |
| Material Grade | Stainless Steel 310 (UNS S31000 / WNR 1.4845) |
| Outside Diameter | 6.35 mm to 219.10 mm (1/4" NB to 8" NB) |
| Wall Thickness | 0.5 mm to 12.7 mm (SCH 5S to SCH XXS) |
| Length | Single Random, Double Random, 6 Meter, 12 Meter & Custom Cut Lengths |
| Tube Form | Round, Square, Rectangular, Hydraulic, Instrumentation |
| Surface Finish | Annealed, Pickled, Bright Annealed (BA), Polished, Mirror Polish, Satin Finish |
| End Finish | Plain End, Beveled End, Threaded End |
| Manufacturing Process | TIG Welded, ERW Welded, Cold Drawn & Annealed |
| Testing | PMI, Hydrostatic Test, Eddy Current Test, Ultrasonic Test, Mechanical Test, Chemical Analysis |
| Certification | EN 10204 3.1 / 3.2 Mill Test Certificate (MTC) |
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 24.00 – 26.00 |
| Nickel (Ni) | 19.00 – 22.00 |
| Carbon (C) | 0.25 Max |
| Manganese (Mn) | 2.00 Max |
| Silicon (Si) | 1.50 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.030 Max |
| Iron (Fe) | Balance |
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa Minimum |
| Yield Strength | 205 MPa Minimum |
| Elongation | 40% Minimum |
| Hardness | 217 HB Max |
| Density | 7.90 g/cm³ |
| Standard | Equivalent Grade |
|---|---|
| UNS | S31000 |
| Werkstoff No. | 1.4845 |
| EN | X8CrNi25-21 |
| DIN | 1.4845 |
| JIS | SUS 310 |
Stainless Steel 310 Welded Tubes are extensively used in industries operating under extreme temperatures where superior oxidation resistance, excellent corrosion resistance, and long-term mechanical stability are essential. Their high chromium and nickel content enables them to perform exceptionally well in continuous high-temperature service, making them suitable for demanding industrial environments. These welded tubes provide excellent durability, reliable performance, and extended service life while minimizing maintenance requirements.
At Kamal Steels, every Stainless Steel 310 Welded Tube undergoes comprehensive inspection and testing to ensure compliance with ASTM, ASME, and customer specifications. Each welded tube is carefully inspected for chemical composition, weld integrity, dimensional accuracy, mechanical properties, surface quality, and overall product performance before dispatch.
Kamal Steels follows international export packaging standards to ensure that Stainless Steel 310 Welded Tubes reach customers safely without damage during transportation and storage. Tubes are protected with plastic end caps, securely bundled, wrapped with protective materials, and packed in fumigated wooden boxes, export-quality wooden crates, or pallets to prevent moisture, scratches, dents, and transit damage.
Each welded tube is permanently marked with the material grade, specification, size, schedule, heat number, manufacturer's identification, and batch details for complete material traceability. Every shipment is supplied with EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, packing lists, commercial invoices, certificates of compliance, and third-party inspection certificates whenever requested, ensuring complete documentation for domestic and international industrial projects.
Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 310 Welded Tubes, supplying premium-quality stainless steel tubing solutions for furnaces, boilers, heat exchangers, petrochemical plants, refineries, power generation facilities, and other high-temperature industrial applications. Manufactured according to ASTM and ASME standards, our welded tubes provide exceptional oxidation resistance, outstanding heat resistance, superior weld quality, and dependable long-term performance in severe operating environments.
We maintain a comprehensive inventory of ASTM A249 Stainless Steel 310 Welded Tubes in various outside diameters, wall thicknesses, schedules, surface finishes, and custom lengths to meet urgent domestic and international project requirements. Every welded tube undergoes comprehensive quality inspections, including Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Ultrasonic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection to ensure complete compliance with international quality standards and customer specifications.
With decades of manufacturing expertise, ready stock availability, competitive pricing, certified quality, export-standard packaging, and a strong global supply network, Kamal Steels has become the preferred manufacturer and supplier of Stainless Steel 310 Welded Tubes across international markets. Our commitment to quality, technical support, prompt delivery, and complete documentation enables us to provide dependable stainless steel tubing solutions for the most demanding high-temperature industrial applications worldwide.
Stainless Steel 310 Welded Tubes are high chromium-nickel austenitic stainless steel tubes manufactured using advanced welding technology. They are designed for elevated-temperature applications requiring exceptional oxidation resistance and high-temperature strength.
Our Stainless Steel 310 Welded Tubes are manufactured according to ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, and ASME SA269 standards.
These welded tubes provide exceptional oxidation resistance, excellent scaling resistance, superior high-temperature strength, outstanding corrosion resistance, excellent weldability, and long service life in demanding industrial environments.
They are widely used in industrial furnaces, boilers, heat exchangers, radiant tubes, petrochemical plants, oil refineries, power generation facilities, pressure vessels, and thermal processing equipment.
Stainless Steel 310 offers excellent oxidation resistance in continuous service temperatures up to approximately 1100°C under suitable operating conditions, making it ideal for high-temperature industrial applications.
Each tube undergoes PMI Testing, Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Ultrasonic Testing (UT), Eddy Current Testing (ECT), Dimensional Inspection, Surface Finish Inspection, and Visual Inspection.
Yes. Every shipment includes EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, complete material traceability, and third-party inspection certificates upon request.
Yes. Kamal Steels supplies Stainless Steel 310 Welded Tubes in various diameters, wall thicknesses, surface finishes, standard lengths, and custom-cut lengths according to customer specifications.
Yes. We export Stainless Steel 310 Welded Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.
Kamal Steels offers ASTM-compliant Stainless Steel 310 Welded Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation, and dependable worldwide delivery for critical high-temperature industrial applications.