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Girgaon, Mumbai - 400004
Stainless Steel 310S Welded Tubes Manufacturer in India
What Are Stainless Steel 310S Welded Tubes?
Stainless Steel 310S Welded Tubes are low-carbon, heat-resistant austenitic stainless steel tubes developed for applications involving high temperatures, oxidation and demanding thermal conditions. Grade 310S, identified by UNS S31008, combines high chromium and nickel content with reduced carbon, making it suitable for high-temperature service and welded fabrication.
Stainless Steel 310S Welded Tubes are commonly supplied according to applicable ASTM specifications such as ASTM A249 and ASTM A312, depending on the product form and application. ASTM A249 covers welded austenitic stainless steel tubes used in heat exchangers, boilers and condensers, while ASTM A312 covers applicable stainless steel pipe requirements.
The high chromium and nickel content of 310S provides strong resistance to oxidation, scaling and elevated-temperature environments. Its lower carbon content compared with Stainless Steel 310 also makes 310S particularly suitable for welded construction where good resistance to weld-related sensitization is required.
These tubes are used in furnaces, heat-treatment equipment, heat exchangers, petrochemical plants, chemical processing systems, combustion equipment and high-temperature industrial applications. They are available in different outside diameters, wall thicknesses, schedules, lengths and finishes according to customer and project requirements.
Kamal Steels is a reliable Stainless Steel 310S Welded Tubes Manufacturer and Stockist in India, supplying welded tubes in different sizes, wall thicknesses, lengths and finishes. We cater to domestic and international requirements with suitable material test certificates, inspection documentation and export packaging.
Table of Contents
- Stainless Steel 310S Welded Tube Specifications
- Stainless Steel 310S Welded Tube Size Chart
- Stainless Steel 310S Welded Tube Standards
- Stainless Steel 310S Welded Tube Features
- Stainless Steel 310S Chemical Composition
- Stainless Steel 310S Mechanical Properties
- Stainless Steel 310S Welded Tube Applications
- Industries Using Stainless Steel 310S Welded Tubes
- Frequently Asked Questions
Stainless Steel 310S Welded Tube Specifications
Stainless Steel 310S Welded Tubes are supplied in different dimensions and product conditions according to applicable standards and customer requirements.
| Specification | Stainless Steel 310S Welded Tubes |
|---|---|
| Material | Stainless Steel |
| Grade | 310S |
| UNS | S31008 |
| Tube Type | Welded |
| ASTM Standard | ASTM A249 / ASTM A312, as applicable |
| ASME Standard | ASME SA249 / SA312, as applicable |
| Outside Diameter | As per requirement |
| Wall Thickness | As per requirement |
| Schedule | As required |
| Length | Random, Fixed or Customized |
| Finish | Annealed, Pickled, Polished or As required |
Stainless Steel 310S Welded Tube Size Chart
Stainless Steel 310S Welded Tubes are available in different outside diameters and wall thicknesses for high-temperature and industrial service. Customized sizes and lengths can also be supplied according to project requirements.
| Tube Size | Outside Diameter (mm) | Wall Thickness | Length |
|---|---|---|---|
| 1/2" | 12.70 | As required | As required |
| 3/4" | 19.05 | As required | As required |
| 1" | 25.40 | As required | As required |
| 1-1/2" | 38.10 | As required | As required |
| 2" | 50.80 | As required | As required |
| 3" | 76.20 | As required | As required |
| 4" | 101.60 | As required | As required |
| 6" | 152.40 | As required | As required |
| 8" | 203.20 | As required | As required |
Stainless Steel 310S Welded Tube Standards
Stainless Steel 310S Welded Tubes can be supplied according to applicable ASTM and ASME requirements based on product form, dimensions and intended service.
| Standard | Application / Product Requirement |
|---|---|
| ASTM A249 | Welded austenitic stainless steel tubes for heat exchangers, boilers and condensers |
| ASTM A312 | Applicable stainless steel pipe requirements for general and high-temperature service |
| ASME SA249 | ASME specification for applicable welded austenitic stainless steel tubing |
| ASME SA312 | ASME specification for applicable stainless steel pipe requirements |
Stainless Steel 310S Welded Tube Features
Stainless Steel 310S is designed for demanding thermal environments where oxidation resistance, structural stability and welded fabrication are important.
- Excellent resistance to oxidation
- Good resistance to scaling at elevated temperatures
- Good high-temperature strength
- Lower carbon content than Grade 310
- Suitable for welded construction
- Good resistance to thermal cycling
- Good general corrosion resistance
- Suitable for furnace and heat-treatment equipment
- Good durability in demanding industrial environments
- Available in various sizes, wall thicknesses and finishes
Stainless Steel 310S Chemical Composition
Stainless Steel 310S contains high chromium and nickel levels that contribute to its oxidation resistance and high-temperature performance. The controlled low carbon content distinguishes 310S from the standard 310 grade.
| Element | Composition (%) |
|---|---|
| Chromium | 24.0 - 26.0 |
| Nickel | 19.0 - 22.0 |
| Carbon | 0.08 max. |
| Manganese | 2.00 max. |
| Silicon | 1.50 max. |
| Phosphorus | 0.045 max. |
| Sulfur | 0.030 max. |
| Iron | Balance |
Stainless Steel 310S Mechanical Properties
Stainless Steel 310S provides a balance of tensile strength, ductility and thermal stability for high-temperature applications. Actual mechanical requirements depend on product dimensions, condition and applicable specification.
| Property | Minimum Requirement |
|---|---|
| Tensile Strength | 515 MPa min. |
| Yield Strength | 205 MPa min. |
| Elongation | 40% min. |
| Density | Approx. 8.0 g/cm³ |
Note: Mechanical properties may vary according to product form, dimensions and applicable specification. Final values should be confirmed from the relevant material test certificate.
Stainless Steel 310S Welded Tube Applications
Stainless Steel 310S Welded Tubes are used where equipment must withstand elevated temperatures, oxidation and repeated thermal exposure while maintaining reliable performance.
Furnace Components
Used in furnace tubing and components exposed to elevated temperatures and oxidation.
Heat Treatment Equipment
Used in heat-treatment systems subjected to repeated heating and cooling cycles.
Petrochemical Equipment
Used in selected high-temperature process equipment and tubular systems.
Chemical Processing
Used in process equipment where corrosion resistance and thermal stability are required.
Power Generation
Used in selected high-temperature process and auxiliary equipment.
Combustion Equipment
Used in specialized combustion and thermal processing systems exposed to heat and oxidation.
Industries Using Stainless Steel 310S Welded Tubes
Kamal Steels supplies Stainless Steel 310S Welded Tubes for industrial sectors where high-temperature resistance, oxidation resistance and reliable welded construction are required.
Petrochemical Industry
Used in selected process equipment and high-temperature tubular systems.
Heat Treatment Industry
Used in furnace and thermal processing equipment exposed to repeated heating.
Power Industry
Used in high-temperature process and supporting equipment.
Chemical Industry
Used in selected process systems requiring thermal and corrosion resistance.
Engineering Industry
Used for specialized fabricated equipment operating in demanding thermal conditions.
Industrial Equipment Industry
Used in equipment and tubular components designed for elevated-temperature service.
Frequently Asked Questions
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.