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Stainless Steel 310S Seamless Pipes are low-carbon austenitic stainless steel pipes manufactured without a longitudinal welding seam and designed for high-temperature and corrosive industrial environments. Grade 310S offers excellent oxidation resistance, good corrosion resistance and reliable performance at elevated temperatures. The low carbon content also makes the grade suitable for applications involving welding and fabrication.
Stainless Steel 310S Seamless Pipes provide good high-temperature strength and resistance to oxidation in demanding service conditions. Their seamless construction makes them suitable for pressure piping, furnace equipment, heat treatment systems and other applications where reliable pipe integrity and elevated-temperature performance are required.
These pipes are available in various outside diameters, wall thicknesses, schedules, and lengths to meet different pressure, temperature, and fluid handling requirements. Stainless Steel 310S Seamless Pipes are commonly used in furnaces, heat exchangers, petrochemical plants, chemical processing, power generation, heat treatment equipment and high-temperature industrial systems.
Kamal Steels is a Stainless Steel 310S Seamless Pipes Manufacturer & Stockist in India, supplying SS 310S Seamless Pipes in standard and customized sizes, schedules, wall thicknesses and lengths. Products can be supplied with applicable testing, inspection, material certificates and documentation according to customer and project specifications.
| Specification | Details |
|---|---|
| Product Name | Stainless Steel 310S Seamless Pipe |
| Grade | SS 310S / Type 310S |
| UNS | S31008 |
| EN Grade | 1.4845 |
| Material Type | Austenitic Stainless Steel |
| Manufacturing Process | Seamless |
| Product Standard | ASTM A312 |
| ASME Specification | ASME SA312 |
| Size Range | 1/8" to 24" and above as required |
| Schedule | 5S, 10S, 40S, 80S, 160 and other schedules |
| Wall Thickness | As per applicable schedule or specified requirement |
| Length | Random, Double Random or Fixed Length |
| End Type | Plain End, Bevelled End or Threaded End as required |
| Surface Finish | Pickled & Passivated, Annealed, Bright Annealed or Polished |
| Heat Treatment | Solution Annealed and Rapidly Cooled as specified by the applicable standard |
| Testing | Hydrostatic, PMI, Ultrasonic, Flattening, Flaring and other applicable tests |
| Inspection | Third Party Inspection available as required |
| Certification | EN 10204 3.1 / Material Test Certificate (MTC) |
| Packaging | Bundles, Wooden Cases, Wooden Boxes, Plastic End Caps and Export Packing |
Stainless Steel 310S Seamless Pipes are available in a broad range of nominal pipe sizes and outside diameters to suit different industrial piping requirements. Size selection depends on the required flow, pressure, temperature, wall thickness and applicable piping standard.
| Nominal Pipe Size | Outside Diameter | Common Applications |
|---|---|---|
| 1/2 Inch | 21.3 mm | Small-bore process and utility piping |
| 1 Inch | 33.4 mm | Process and instrumentation-related piping |
| 2 Inch | 60.3 mm | Industrial process piping |
| 3 Inch | 88.9 mm | Process and high-temperature service |
| 4 Inch | 114.3 mm | Industrial plant piping |
| 6 Inch | 168.3 mm | Process and utility lines |
| 8 Inch | 219.1 mm | Large-volume process piping |
| 10 Inch | 273.1 mm | Industrial transfer and process systems |
| 12 Inch | 323.9 mm | Large industrial piping systems |
Additional sizes and outside diameters can be supplied depending on material availability, applicable specification and project requirements.
The weight of Stainless Steel 310S Seamless Pipe depends mainly on its outside diameter, wall thickness and length. Heavier schedules have greater wall thickness and therefore result in higher weight per metre. Actual weight may vary according to manufacturing tolerances and dimensional requirements.
| Pipe Size | Schedule | Approx. Wall Thickness | Approx. Weight |
|---|---|---|---|
| 1 Inch | SCH 40S | 2.77 mm | Approx. 2.09 kg/m |
| 2 Inch | SCH 40S | 3.91 mm | Approx. 5.75 kg/m |
| 3 Inch | SCH 40S | 5.49 mm | Approx. 11.29 kg/m |
| 4 Inch | SCH 40S | 6.02 mm | Approx. 16.07 kg/m |
| 6 Inch | SCH 40S | 7.11 mm | Approx. 28.26 kg/m |
For accurate project calculations, pipe weight should be confirmed using the actual outside diameter, wall thickness, length and applicable dimensional standard.
Pipe schedule indicates the wall thickness of a pipe for a particular nominal pipe size. Stainless Steel 310S Seamless Pipes can be supplied in different schedules depending on pressure, temperature, mechanical loading and project requirements.
| Schedule | Typical Description | Typical Use |
|---|---|---|
| SCH 5S | Light wall | Low-pressure and selected process applications |
| SCH 10S | Light to medium wall | Process and general industrial piping |
| SCH 40S | Standard wall range | General industrial and process service |
| SCH 80S | Heavy wall | Higher-pressure service requirements |
| SCH 160 | Extra heavy wall | Selected high-pressure applications |
ASTM A312 TP310S Seamless Pipe is manufactured from Type 310S austenitic stainless steel for applications requiring corrosion resistance and reliable performance at elevated temperatures. The specification covers stainless steel pipe suitable for corrosive and high-temperature service, subject to the applicable requirements of the standard.
SS 310S seamless pipe is commonly supplied with controlled dimensions, heat treatment and testing in accordance with the applicable specification. The material is identified as UNS S31008, while the corresponding European designation is commonly EN 1.4845. ASME SA312 may also be applicable where ASME Code requirements are specified.
| ASTM Grade | TP310S |
|---|---|
| ASME Designation | SA312 TP310S |
| UNS | S31008 |
| EN Material Number | 1.4845 |
| Product Form | Seamless Pipe |
| Material Type | Austenitic Stainless Steel |
Both seamless and welded Stainless Steel 310S Pipes are used in industrial applications, but their manufacturing methods are different. The suitable product depends on pipe size, wall thickness, operating conditions, applicable specification, fabrication requirements and project design.
| Feature | SS 310S Seamless Pipe | SS 310S Welded Pipe |
|---|---|---|
| Manufacturing | Produced without a longitudinal weld seam | Manufactured from plate or strip with a welded joint |
| Seam | No longitudinal weld seam | Contains a longitudinal welded seam |
| Typical Use | Selected demanding pressure and process applications | Process, fabrication and larger-diameter applications |
| Size Availability | Commonly used across small and medium pipe sizes | Can be advantageous for larger diameters |
| Selection | Based on applicable specification and service conditions | Based on specification, weld requirements and service conditions |
The chemical composition of Stainless Steel 310S Seamless Pipes is primarily characterized by its high chromium and nickel content. This composition provides excellent oxidation resistance and helps the material maintain reliable performance in elevated-temperature environments. The controlled carbon content also makes 310S suitable for welded and fabricated applications.
| Element | Composition (%) |
|---|---|
| Carbon | 0.08 max. |
| Chromium | 24.0 - 26.0 |
| Nickel | 19.0 - 22.0 |
| Manganese | 2.00 max. |
| Silicon | 1.50 max. |
| Phosphorus | 0.045 max. |
| Sulfur | 0.030 max. |
Stainless Steel 310S Seamless Pipes provide a combination of tensile strength, yield strength, and ductility suitable for demanding industrial piping applications. These mechanical properties support the use of 310S in pressure, process, and high-temperature systems where dependable structural performance is required.
| Mechanical Property | Minimum Requirement |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength | 205 MPa |
| Elongation | 35% |
Mechanical property requirements can vary according to the applicable ASTM or ASME specification, product form, heat-treatment condition, and applicable purchase requirements. Final values should be verified against the relevant material test certificate.
Stainless Steel 310S Seamless Pipes are used in high-temperature piping and process systems where oxidation resistance, corrosion resistance, and dependable performance under thermal cycling are required. The lower carbon content of 310S makes it suitable for applications involving welding and fabrication while retaining the high-temperature characteristics of the 310 family.
| Application | Typical Use |
|---|---|
| Furnace Systems | High-temperature piping and gas-transfer lines associated with industrial furnaces. |
| Heat Treatment Equipment | Piping and components used in thermal processing systems. |
| Thermal Processing Lines | Fluid and gas transfer under elevated-temperature operating conditions. |
| Petrochemical Equipment | High-temperature process piping and equipment. |
| Heat Exchangers | Selected high-temperature heat-transfer applications. |
| Combustion Equipment | Piping exposed to hot gases and elevated-temperature environments. |
| Boiler & Process Systems | Selected high-temperature pressure and process piping applications. |
| Industrial Exhaust Systems | High-temperature gas-handling and exhaust-related piping applications. |
Stainless Steel 310S Seamless Pipes are used in industries requiring corrosion-resistant piping for elevated-temperature service, particularly where low-carbon stainless steel is preferred for welded or fabricated systems.
| Industry | Typical Applications |
|---|---|
| Petrochemical Industry | High-temperature process piping and thermal equipment. |
| Oil & Gas Industry | Selected high-temperature process and utility systems. |
| Power Generation | High-temperature process and combustion-related piping. |
| Heat Treatment Industry | Furnaces, thermal processing equipment and associated piping. |
| Steel & Metal Industry | Furnace systems and high-temperature processing equipment. |
| Chemical Industry | High-temperature process piping and chemical processing equipment. |
| Engineering & Fabrication | Welded and fabricated high-temperature industrial systems. |
| Furnace Manufacturing | High-temperature piping, heating systems and furnace components. |
Kamal Steels is a Stainless Steel 310S Seamless Pipes Manufacturer & Stockist in India, supplying SS 310S Seamless Pipes in different sizes, schedules, wall thicknesses and lengths for high-temperature industrial applications and project requirements.
Stainless Steel 310S Seamless Pipes are high-temperature resistant austenitic stainless steel pipes manufactured without welded joints. They offer excellent oxidation resistance, corrosion resistance and superior strength for demanding industrial applications.
ASTM A312 TP310S Seamless Pipe is manufactured according to ASTM A312 specifications and is widely used in high-temperature services such as furnaces, boilers, petrochemical plants, thermal processing units and power generation facilities.
Stainless Steel 310S is the low-carbon version of SS 310. The lower carbon content improves weldability and reduces carbide precipitation while maintaining excellent high-temperature strength and oxidation resistance.
The UNS designation of Stainless Steel 310S is UNS S31008. It is also identified by Werkstoff Number 1.4845 and EN Grade X8CrNi25-21.
SS 310S Seamless Pipes are commonly used in heat treatment plants, furnace components, boilers, petrochemical industries, refineries, thermal processing equipment, chemical plants and power generation facilities.
Stainless Steel 310S Pipes offer excellent oxidation resistance at temperatures up to approximately 1100°C under continuous service conditions, making them ideal for elevated-temperature applications.
Stainless Steel 310S Seamless Pipes are available in sizes ranging from 1/8" NB to 24" NB with schedules including SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160 and XXS.
Yes, Kamal Steels supplies Stainless Steel 310S Seamless Pipes with Mill Test Certificates (EN 10204 3.1), material traceability reports and inspection documents as required.
Yes, Third-Party Inspection (TPI) services can be arranged through approved inspection agencies to verify quality, dimensions, testing and compliance before shipment.
Kamal Steels is a trusted manufacturer and stockist of Stainless Steel 310S Seamless Pipes in India, offering ready stock, competitive pricing, fast delivery, export support, complete certifications and technical assistance for industrial projects worldwide.