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Girgaon, Mumbai - 400004
Stainless Steel 310S Seamless Pipes
What is Stainless Steel 310S Seamless Pipe?
Stainless Steel 310S Seamless Pipes are manufactured from austenitic stainless steel Grade 310S and are designed for applications involving elevated temperatures, oxidation and demanding industrial service. With high chromium and nickel content, 310S stainless steel provides good oxidation resistance and maintains useful strength in high-temperature environments. The seamless construction provides a continuous pipe structure without a longitudinal welded joint, making it suitable for specified process, thermal and high-temperature piping applications.
Kamal Steels supplies Stainless Steel 310S Seamless Pipes in various outside diameters, wall thicknesses, schedules, lengths and end configurations according to applicable standards and customer requirements. SS 310S Pipe is commonly supplied for furnace equipment, heat-treatment systems, petrochemical facilities, power generation and other industrial applications where resistance to heat and oxidation is important. Products can be supplied with applicable material documentation, testing and inspection requirements based on the project specification.
SS 310S Seamless Pipe 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 |
SS 310S Seamless Pipe Size Chart
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.
SS 310S Seamless Pipe Weight Chart
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.
SS 310S Seamless Pipe Schedule Chart
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
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 |
SS 310S Seamless Pipe Chemical Composition & Mechanical Properties
Stainless Steel 310S is a low-carbon version of Grade 310 with high chromium and nickel content. Its composition contributes to oxidation resistance and high-temperature performance, while the reduced carbon level helps reduce the risk of sensitization during certain thermal exposures.
| Element | Typical Maximum / Range (%) |
|---|---|
| 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. |
Mechanical Properties
| Property | Typical Requirement |
|---|---|
| Tensile Strength | 515 MPa min. |
| Yield Strength | 205 MPa min. |
| Elongation | 35% min. (subject to applicable specification) |
Chemical and mechanical values should always be verified against the applicable material specification, product form, heat-treatment condition and purchase requirements.
SS 310S Seamless Pipe vs Welded Pipe
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 |
SS 310S Seamless Pipe Applications & Industries
Stainless Steel 310S Seamless Pipes are used in industrial environments where elevated temperature resistance, oxidation resistance and dependable material performance are important. The grade is particularly suitable for selected thermal and process applications where the applicable specification permits its use.
Heat Treatment
Industry: Heat Treatment
Application: High-temperature piping, furnace-related systems and thermal processing equipment.
Chemical Processing
Industry: Chemical Processing
Application: High-temperature process lines, chemical fluid handling and plant piping.
Petrochemical
Industry: Petrochemical
Application: Process piping, thermal service lines and equipment connections.
Furnace Equipment
Industry: Furnace & Thermal Equipment
Application: High-temperature service lines, furnace components and heat-resistant piping systems.
Power Generation
Industry: Power Generation
Application: Thermal process piping, high-temperature utility systems and plant equipment.
Industrial Furnaces
Industry: Industrial Furnaces
Application: High-temperature piping, combustion-related systems and thermal equipment.
The appropriate SS 310S pipe size, wall thickness, schedule, temperature range, pressure rating, testing and applicable piping code should be evaluated before selecting the material for a specific service.
Kamal Steels supplies Stainless Steel 310S Seamless Pipes for domestic and international requirements with support for applicable specifications, inspection requirements, material documentation and export packaging.
Frequently Asked Questions About Stainless Steel 310S Seamless Pipes
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.