-
-
-
Girgaon, Mumbai - 400004
Stainless Steel 316L Seamless Tubes Manufacturer in India
What Are Stainless Steel 316L Seamless Tubes?
Stainless Steel 316L Seamless Tubes are low-carbon austenitic stainless steel tubes manufactured without a longitudinal welded joint for applications requiring dependable corrosion resistance, clean internal surfaces and good fabrication performance. Grade 316L is identified by UNS S31603 and is widely selected for equipment exposed to corrosive chemicals, moisture and chloride-containing environments.
The low carbon content of 316L reduces the likelihood of chromium carbide precipitation during welding and fabrication, while the alloy's chromium, nickel and molybdenum content provides resistance to general corrosion, pitting and crevice corrosion. This makes Stainless Steel 316L Seamless Tubes suitable for process systems where material integrity and resistance to aggressive service conditions are important.
Stainless Steel 316L Seamless Tubes can be manufactured and supplied according to applicable ASTM and ASME specifications. Common specifications include ASTM A213, ASTM A269 and ASME SA213, depending on the intended application, dimensions and service requirements. Tubes can be supplied in different outside diameters, wall thicknesses, schedules, lengths and surface finishes.
These tubes are widely used in chemical processing equipment, pharmaceutical systems, food-processing machinery, heat exchangers, petrochemical plants, marine equipment, water treatment systems and general process industries. Their combination of low-carbon chemistry, corrosion resistance and seamless construction makes them suitable for demanding industrial applications.
Kamal Steels is a Manufacturer and Stockist of Stainless Steel 316L Seamless Tubes, offering standard and customized dimensions for domestic and international requirements. Tubes can be supplied with material certificates, inspection documentation and testing according to project specifications.
Table of Contents
- Stainless Steel 316L Seamless Tube Specifications
- Stainless Steel 316L Seamless Tube Size Chart
- Stainless Steel 316L Seamless Tube Standards
- Stainless Steel 316L Seamless Tube Features
- Stainless Steel 316L Chemical Composition
- Stainless Steel 316L Mechanical Properties
- Stainless Steel 316L Seamless Tube Applications
- Industries Using Stainless Steel 316L Seamless Tubes
- Frequently Asked Questions
Stainless Steel 316L Seamless Tube Specifications
| Specification | Stainless Steel 316L Seamless Tubes |
|---|---|
| Material | Stainless Steel |
| Grade | 316L |
| UNS | S31603 |
| Tube Type | Seamless |
| ASTM Standard | ASTM A213, ASTM A269, Applicable ASTM Specifications |
| ASME Standard | ASME SA213, ASME SA269, Applicable ASME Specifications |
| Outside Diameter | As per requirement |
| Wall Thickness | As per requirement |
| Schedule | As required |
| Length | Random, Fixed or Customized |
| Finish | Annealed, Pickled, Bright Annealed, Polished or As required |
| Form | Round Tube |
Stainless Steel 316L Seamless Tube Size Chart
Stainless Steel 316L Seamless Tubes can be supplied in different diameters and wall thicknesses to suit heat-transfer, process, instrumentation and fluid-handling 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 316L Seamless Tube Standards
| Standard | Application / Product Requirement |
|---|---|
| ASTM A213 | Seamless ferritic and austenitic alloy-steel boiler, superheater and heat-exchanger tubes |
| ASTM A269 | Austenitic stainless steel tubing for general corrosion-resisting service |
| ASME SA213 | Applicable seamless ferritic and austenitic alloy-steel tubing requirements |
| ASME SA269 | Applicable austenitic stainless steel tubing requirements for general service |
Stainless Steel 316L Seamless Tube Features
- Low-carbon austenitic stainless steel composition
- Excellent resistance to general corrosion
- Good resistance to pitting and crevice corrosion
- Improved resistance to sensitization after welding
- Suitable for chloride-containing environments
- Good ductility and toughness
- Excellent fabrication and forming characteristics
- Suitable for hygienic and process applications
- Good performance in chemical environments
- Available in various dimensions and surface finishes
Stainless Steel 316L Chemical Composition
| Element | Composition (%) |
|---|---|
| Chromium | 16.0 - 18.0 |
| Nickel | 10.0 - 14.0 |
| Molybdenum | 2.0 - 3.0 |
| Carbon | 0.030 max. |
| Manganese | 2.00 max. |
| Silicon | 0.75 max. |
| Phosphorus | 0.045 max. |
| Sulfur | 0.030 max. |
| Nitrogen | 0.10 max. |
| Iron | Balance |
Stainless Steel 316L Mechanical Properties
| Property | Minimum Requirement |
|---|---|
| Tensile Strength | 485 MPa min. |
| Yield Strength | 170 MPa min. |
| Elongation | 35% min. |
| Density | Approx. 8.0 g/cm³ |
Note: Mechanical requirements should be confirmed against the applicable ASTM or ASME specification and material test certificate.
Stainless Steel 316L Seamless Tube Applications
Chemical Processing
Used in equipment handling corrosive chemicals and process fluids.
Pharmaceutical Equipment
Suitable for hygienic process systems where cleanable and corrosion-resistant tubing is required.
Heat Exchangers
Applied in heat-transfer equipment exposed to moisture and corrosive process media.
Petrochemical Systems
Used in selected fluid-handling and process equipment within petrochemical facilities.
Marine Equipment
Selected for components exposed to seawater and chloride-bearing conditions.
Water Treatment
Used in corrosion-resistant piping and equipment for water and treatment systems.
Industries Using Stainless Steel 316L Seamless Tubes
Chemical Industry
Used for corrosion-resistant process equipment and fluid-handling systems.
Pharmaceutical Industry
Applied in hygienic processing and equipment requiring corrosion-resistant tubing.
Food Processing Industry
Used in selected sanitary and fluid-transfer applications.
Petrochemical Industry
Applied in process systems exposed to corrosive operating environments.
Marine Industry
Selected for equipment operating in chloride-rich and marine environments.
Engineering Industry
Used for specialized equipment requiring low-carbon stainless steel tubing.
Frequently Asked Questions
Stainless Steel 316L Seamless Tubes are low-carbon molybdenum-bearing stainless steel tubes manufactured from Stainless Steel 316L (UNS S31603 / WNR 1.4404). They offer outstanding corrosion resistance, excellent weldability, and superior resistance to intergranular corrosion.
Our Stainless Steel 316L Seamless Tubes are manufactured according to ASTM A213, ASTM A269, ASME SA213, and ASME SA269 international standards.
SS 316L Seamless Tubes provide excellent resistance to pitting, crevice corrosion, chloride attack, superior weldability, excellent toughness, and improved resistance to intergranular corrosion after welding.
They are widely used in marine industries, chemical processing plants, pharmaceutical manufacturing, food processing, offshore installations, oil & gas facilities, water treatment plants, and heat exchanger systems.
SS 316L Seamless Tubes are available in various outside diameters, wall thicknesses, schedules, surface finishes, and custom cut lengths to meet diverse industrial requirements.
Each tube undergoes Hydrostatic Testing, Ultrasonic Testing (UT), Eddy Current Testing (ECT), Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Flattening Test, Flaring Test, Intergranular Corrosion (IGC) Testing, and Dimensional Inspection.
The low carbon content of Stainless Steel 316L minimizes carbide precipitation during welding, reducing the risk of intergranular corrosion and eliminating the need for post-weld heat treatment in many applications.
Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates, inspection reports, complete material traceability, and third-party inspection certificates upon request.
Yes. Kamal Steels exports Stainless Steel 316L Seamless Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.
Kamal Steels offers ASTM-compliant Stainless Steel 316L Seamless Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation, and dependable worldwide delivery for critical industrial applications.