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Girgaon, Mumbai - 400004
Stainless Steel 316L Welded Pipes
Stainless Steel 316L Welded Pipe Manufacturer, Supplier & Exporter in India
In welded piping systems exposed to corrosive chemicals, chlorides, and moisture, selecting the right material is essential for long-term reliability. Kamal Steels manufactures and stocks Stainless Steel 316L Welded Pipes designed to deliver exceptional corrosion resistance while maintaining excellent weld integrity. Manufactured in accordance with ASTM A312 and ASME SA312 standards using Stainless Steel 316L (UNS S31603 / WNR 1.4404), our welded pipes combine the corrosion resistance of molybdenum-bearing stainless steel with the fabrication advantages of a low-carbon alloy. The reduced carbon content minimizes carbide precipitation during welding, helping preserve corrosion resistance in the heat-affected zone without the need for post-weld heat treatment in most applications.
Engineered for demanding industrial environments, our Stainless Steel 316L Welded Pipes are available in a wide range of diameters, wall thicknesses, schedules, surface finishes, and custom lengths. They are widely used in pharmaceutical manufacturing, chemical processing, marine engineering, food & beverage plants, desalination facilities, water treatment systems, petrochemical industries, and process piping applications where both corrosion resistance and reliable welded performance are critical.
Every Stainless Steel 316L Welded Pipe manufactured by Kamal Steels is produced using certified raw materials and subjected to comprehensive quality inspections, including weld quality verification, dimensional checks, hydrostatic testing, and material traceability. Backed by extensive ready stock, project-specific manufacturing capabilities, and prompt delivery, we supply dependable stainless steel welded pipes that meet the performance requirements of customers across India and international markets.
Stainless Steel 316L Welded Pipe Specifications
| Product | Stainless Steel 316L Welded Pipe |
|---|---|
| Material Grade | SS 316L (UNS S31603) |
| Standards | ASTM A312, ASTM A358, ASME SA312, ASME SA358 |
| Outside Diameter | 1/8" NB to 24" NB (6 mm to 610 mm) |
| Wall Thickness | SCH 5S to SCH XXS |
| Length | Single Random, Double Random & Custom Cut Length |
| Pipe Type | Welded, ERW, EFW & Fabricated |
| End Type | Plain End, Beveled End, Threaded |
| Surface Finish | Annealed & Pickled (AP), Bright Annealed (BA), 2B, No.1, Polished |
| Testing | Hydro Test, PMI, Radiography, Flattening Test, EN 10204 3.1 Mill Test Certificate |
Features & Benefits of Stainless Steel 316L Welded Pipes
Applications of Stainless Steel 316L Welded Pipes
Stainless Steel 316L Welded Pipes are widely used in industries where superior corrosion resistance and excellent weldability are essential. Their low carbon composition makes them particularly suitable for welded structures operating in aggressive environments.
Available Size Range
Available Pipe Schedules
| Pipe Schedule | Availability |
|---|---|
| SCH 5S | ✔ Available |
| SCH 10S | ✔ Available |
| SCH 20 | ✔ Available |
| SCH 40S | ✔ Available |
| SCH 60 | ✔ Available |
| SCH 80S | ✔ Available |
| SCH 120 | ✔ Available |
| SCH 160 | ✔ Available |
| XS | ✔ Available |
| XXS | ✔ Available |
Surface Finish of Stainless Steel 316L Welded Pipes
Our Stainless Steel 316L Welded Pipes are available in a wide range of surface finishes to suit industrial, hygienic, pharmaceutical, marine, and architectural applications. Each finish is processed to improve corrosion resistance, appearance, and long-term durability.
| Surface Finish | Description |
|---|---|
| Annealed & Pickled (AP) | Removes heat scale after welding and enhances corrosion resistance. |
| Bright Annealed (BA) | Smooth, reflective finish produced under a controlled atmosphere. |
| 2B Finish | Cold rolled finish suitable for fabrication and industrial applications. |
| No.1 Finish | Hot rolled, annealed and pickled finish for heavy-duty service. |
| Polished Finish | Available in various grit finishes for decorative and sanitary applications. |
Manufacturing Standards
All Stainless Steel 316L Welded Pipes are manufactured in compliance with international quality standards to ensure superior dimensional accuracy, corrosion resistance, weld integrity, and long service life.
| Standard | Description |
|---|---|
| ASTM A312 | Seamless, Welded and Heavily Cold Worked Austenitic Stainless Steel Pipes. |
| ASME SA312 | Pressure Piping Specification. |
| ASTM A358 | Electric Fusion Welded Austenitic Stainless Steel Pipes. |
| ASTM A778 | Welded Austenitic Stainless Steel Tubular Products. |
| ASME B36.19M | Dimensions for Stainless Steel Pipes. |
| ASME B36.10M | Dimensions for Welded and Seamless Steel Pipes. |
Stainless Steel 316L Welded Pipe Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.03 Max |
| Manganese (Mn) | 2.00 Max |
| Silicon (Si) | 0.75 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.030 Max |
| Chromium (Cr) | 16.00 – 18.00 |
| Nickel (Ni) | 10.00 – 14.00 |
| Molybdenum (Mo) | 2.00 – 3.00 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 316L Welded Pipe
| Property | Value |
|---|---|
| Tensile Strength | 485 MPa Minimum |
| Yield Strength (0.2% Offset) | 170 MPa Minimum |
| Elongation | 40% Minimum |
| Hardness | 95 HRB Maximum |
| Density | 8.0 g/cm³ |
| Melting Range | 1375 – 1400°C |
Equivalent Grades of Stainless Steel 316L Welded Pipe
| Standard | Grade |
|---|---|
| ASTM / ASME | 316L |
| UNS | S31603 |
| Werkstoff No. | 1.4404 |
| EN | X2CrNiMo17-12-2 |
| JIS | SUS 316L |
| BS | 316S11 |
Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 316L Welded Pipes for demanding industrial applications. Manufactured from certified raw materials and tested according to international standards, our pipes offer exceptional corrosion resistance, superior weldability, and long service life. With ready stock, competitive pricing, complete inspection documentation, and worldwide delivery, we provide dependable piping solutions for customers across India and global markets.
Frequently Asked Questions
Stainless Steel 316L Welded Pipe is a low-carbon austenitic stainless steel pipe containing molybdenum for enhanced corrosion resistance. It is widely used in applications where welding and resistance to corrosive environments are essential.
SS 316L has a lower carbon content (maximum 0.03%) than SS 316, which minimizes carbide precipitation during welding and provides better corrosion resistance in welded structures.
Our SS 316L Welded Pipes are manufactured according to ASTM A312, ASTM A358, ASTM A778, ASME SA312, and ASME B36.19M standards.
We supply SS 316L Welded Pipes from 1/8" NB to 24" NB in various schedules, wall thicknesses, and custom lengths to suit industrial applications.
They are widely used in chemical processing, pharmaceutical plants, marine engineering, food processing, petrochemical industries, water treatment plants, and offshore applications.
Yes. Their molybdenum content and low carbon composition provide excellent resistance to seawater, chlorides, and aggressive marine environments.
Each pipe undergoes Hydrostatic Testing, PMI, Radiographic Testing, Visual Inspection, Flattening Test, and Dimensional Inspection before dispatch.
Yes. Every Stainless Steel 316L Welded Pipe is supplied with EN 10204 3.1 Mill Test Certificates, and third-party inspection is available upon request.
Yes. We offer customized outside diameters, wall thicknesses, lengths, end preparations, and surface finishes according to customer specifications.
Kamal Steels offers premium-quality SS 316L Welded Pipes with certified materials, strict quality control, competitive pricing, ready stock, timely delivery, and reliable export services worldwide.