Girgaon, Mumbai - 400004
Kamal Steels is a leading Manufacturer and Stockist of Stainless Steel 310S Welded Tubes, supplying premium-quality welded tubing solutions for boilers, heat exchangers, furnaces, petrochemical plants, refineries, power generation facilities and other high-temperature industrial applications. Manufactured from Stainless Steel 310S (UNS S31008 / WNR 1.4845), our welded tubes are produced in accordance with ASTM A249, ASTM A269, ASTM A270, ASTM A554 and ASME SA249 standards, ensuring outstanding dimensional accuracy, excellent weld quality, superior oxidation resistance and dependable mechanical performance. Stainless Steel 310S is the low-carbon version of SS 310, specifically developed to minimize carbide precipitation during welding while maintaining exceptional heat resistance and corrosion resistance.
Our Stainless Steel 310S 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 offer excellent resistance to oxidation, scaling, thermal fatigue and carburizing atmospheres, making them ideal for heat exchangers, condensers, radiant tubes, furnace components, pressure vessels, process piping, instrumentation systems and other demanding industrial applications requiring reliable performance at elevated temperatures.
At Kamal Steels, we maintain a comprehensive inventory of ASTM A249 Stainless Steel 310S 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 310S Welded Tubes for critical high-temperature industrial applications across global markets.

Stainless Steel 310S Welded Tubes are specially developed for high-temperature applications requiring excellent oxidation resistance, outstanding corrosion resistance, and superior weldability. As the low-carbon version of Stainless Steel 310, Grade 310S minimizes carbide precipitation during welding while maintaining excellent mechanical strength and heat resistance. Manufactured using premium-quality stainless steel strips and advanced TIG/ERW welding technology, these tubes provide exceptional dimensional accuracy, smooth surface finishes and dependable long-term performance in demanding industrial environments.
One of the major advantages of Stainless Steel 310S Welded Tubes is their excellent resistance to oxidation, scaling, thermal fatigue, and carburizing atmospheres at elevated temperatures. Their low carbon content improves weldability and enhances resistance to intergranular corrosion after welding, making them suitable for continuous service in furnaces, boilers, heat exchangers, petrochemical plants, refineries, thermal processing equipment, and power generation facilities. These welded tubes also offer excellent fabrication characteristics, allowing easy forming, machining, bending and welding for various industrial applications.
At Kamal Steels, we manufacture and supply premium-quality ASTM A249 Stainless Steel 310S 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 310S 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 superior weld integrity, excellent 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 310S (UNS S31008 / 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) | 0.08 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 | S31008 |
| Werkstoff No. | 1.4845 |
| EN | X15CrNi25-20 |
| DIN | 1.4845 |
| JIS | SUS 310S |
Stainless Steel 310S Welded Tubes are extensively used in industries requiring exceptional oxidation resistance, superior weldability, and reliable mechanical performance at elevated temperatures. Their low carbon content reduces carbide precipitation during welding, making them ideal for fabricated components operating in high-temperature and corrosive environments. These welded tubes offer excellent resistance to scaling, thermal fatigue, and thermal cycling while providing long service life and low maintenance requirements.
At Kamal Steels, every Stainless Steel 310S 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 310S 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 310S 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, superior weldability, excellent corrosion resistance, and dependable long-term performance under severe operating conditions.
We maintain a comprehensive inventory of ASTM A249 Stainless Steel 310S 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 310S 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 310S Welded Tubes are low-carbon high chromium-nickel austenitic stainless steel tubes manufactured using advanced welding technology. They are specifically designed for elevated-temperature applications requiring excellent oxidation resistance and superior weldability.
Our Stainless Steel 310S Welded Tubes are manufactured according to ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, and ASME SA269 standards.
These welded tubes offer excellent oxidation resistance, superior weldability, reduced carbide precipitation after welding, outstanding scaling resistance, high-temperature strength, and long service life.
They are widely used in industrial furnaces, boilers, heat exchangers, petrochemical plants, oil refineries, radiant tubes, pressure vessels, thermal processing equipment, and power generation facilities.
Stainless Steel 310S has a lower carbon content than SS 310, improving weldability and reducing carbide precipitation during welding while maintaining excellent oxidation resistance and high-temperature performance.
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 310S Welded Tubes in various diameters, wall thicknesses, surface finishes, standard lengths, and custom-cut lengths according to customer specifications.
Yes. We export Stainless Steel 310S Welded Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.
Kamal Steels offers ASTM-compliant Stainless Steel 310S Welded Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation, and dependable worldwide delivery for demanding high-temperature industrial applications.