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Girgaon, Mumbai - 400004
Stainless Steel 310H Welded Tubes Manufacturer in India
What Are Stainless Steel 310H Welded Tubes?
Stainless Steel 310H Welded Tubes are high-carbon austenitic stainless steel tubes developed for applications where elevated-temperature strength and resistance to oxidation are important. Grade 310H is a high-carbon version of the 310 stainless steel family and is identified by UNS S31009.
The controlled higher carbon content of Stainless Steel 310H helps provide improved strength for demanding high-temperature service. Along with its high chromium and nickel content, the grade offers good resistance to oxidation, scaling and thermal exposure in industrial environments.
Stainless Steel 310H Welded Tubes can be supplied according to applicable ASTM and ASME specifications, including ASTM A249 and ASTM A312 where applicable to the product and service requirements. The required specification, dimensions, heat treatment and testing are selected according to the intended application.
These tubes are used in furnace equipment, heat-treatment systems, petrochemical processing, power generation equipment, combustion systems and high-temperature industrial machinery. They are available in different outside diameters, wall thicknesses, lengths and finishes to meet project-specific requirements.
Kamal Steels is a reliable Stainless Steel 310H Welded Tubes Manufacturer and Stockist in India, supplying tubes in different sizes, wall thicknesses, lengths and finishes. We also support domestic and international requirements with suitable MTC, inspection documentation and export packaging.
Table of Contents
- Stainless Steel 310H Welded Tube Specifications
- Stainless Steel 310H Welded Tube Size Chart
- Stainless Steel 310H Welded Tube Standards
- Stainless Steel 310H Welded Tube Features
- Stainless Steel 310H Chemical Composition
- Stainless Steel 310H Mechanical Properties
- Stainless Steel 310H Welded Tube Applications
- Industries Using Stainless Steel 310H Welded Tubes
- Frequently Asked Questions
Stainless Steel 310H Welded Tube Specifications
Stainless Steel 310H Welded Tubes are available in different dimensions and product conditions according to applicable standards and customer requirements.
| Specification | Stainless Steel 310H Welded Tubes |
|---|---|
| Material | Stainless Steel |
| Grade | 310H |
| UNS | S31009 |
| 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 310H Welded Tube Size Chart
Stainless Steel 310H Welded Tubes are supplied in various outside diameters and wall thicknesses. Customized dimensions and lengths can be provided according to equipment and 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 310H Welded Tube Standards
Stainless Steel 310H Welded Tubes can be supplied 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 310H Welded Tube Features
Stainless Steel 310H is selected for demanding thermal environments where higher-temperature strength and resistance to oxidation are important considerations.
- Good high-temperature strength
- Excellent resistance to oxidation
- Good resistance to scaling
- High chromium and nickel content
- Suitable for elevated-temperature service
- Good thermal stability
- Good resistance to carburizing environments
- Suitable for furnace and heat-treatment equipment
- Good durability in demanding industrial conditions
- Available in different sizes, wall thicknesses and finishes
Stainless Steel 310H Chemical Composition
The composition of Stainless Steel 310H combines high chromium and nickel with a controlled higher carbon level. This chemistry supports the grade's strength and stability during elevated-temperature service.
| Element | Composition (%) |
|---|---|
| Chromium | 24.0 - 26.0 |
| Nickel | 19.0 - 22.0 |
| Carbon | 0.04 - 0.10 |
| Manganese | 2.00 max. |
| Silicon | 1.50 max. |
| Phosphorus | 0.045 max. |
| Sulfur | 0.030 max. |
| Iron | Balance |
Stainless Steel 310H Mechanical Properties
Stainless Steel 310H provides a useful combination of tensile strength and elevated-temperature performance. The exact mechanical requirements depend on the applicable product specification, dimensions and material condition.
| 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, heat treatment and applicable specification. Final values should be confirmed from the relevant material test certificate.
Stainless Steel 310H Welded Tube Applications
Stainless Steel 310H Welded Tubes are used for equipment and tubular systems that operate under elevated temperatures and require resistance to oxidation together with reliable mechanical performance.
Furnace Systems
Used for tubular components and equipment exposed to prolonged high-temperature service.
Heat Treatment Equipment
Used in thermal processing equipment where resistance to scaling and heat exposure is required.
Petrochemical Equipment
Used in selected high-temperature process systems and industrial tubular equipment.
Chemical Processing
Used in process equipment requiring a combination of corrosion resistance and thermal stability.
Power Generation
Used in selected high-temperature process and auxiliary equipment.
Combustion Equipment
Used in equipment exposed to combustion gases, heat and oxidation.
Industries Using Stainless Steel 310H Welded Tubes
Stainless Steel 310H Welded Tubes are supplied to industrial sectors where elevated-temperature strength and oxidation resistance are important for equipment performance.
Petrochemical Industry
Used in selected high-temperature process equipment and tubular systems.
Heat Treatment Industry
Used in furnaces and thermal processing equipment operating at elevated temperatures.
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 in specialized fabricated equipment exposed to demanding thermal conditions.
Industrial Equipment Industry
Used in equipment designed for elevated-temperature industrial service.
Frequently Asked Questions
Stainless Steel 310H Welded Tubes are high-carbon chromium-nickel austenitic stainless steel tubes manufactured using advanced welding technology. They are specifically designed for elevated-temperature applications requiring improved creep strength and excellent oxidation resistance.
Our Stainless Steel 310H 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, enhanced creep strength, superior high-temperature mechanical performance, outstanding scaling resistance, excellent weldability, and long service life.
They are widely used in industrial furnaces, boilers, superheaters, heat exchangers, petrochemical plants, oil refineries, pressure vessels, thermal processing equipment, and power generation facilities.
Stainless Steel 310H contains a higher carbon content than standard SS 310, providing improved creep strength and better mechanical stability during prolonged service at elevated temperatures.
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 310H Welded Tubes in various diameters, wall thicknesses, surface finishes, standard lengths, and custom-cut lengths according to customer specifications.
Yes. We export Stainless Steel 310H Welded Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.
Kamal Steels offers ASTM-compliant Stainless Steel 310H 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.