Product Overview – ASTM A269 TP316L Welded Tubes
ASTM A269 TP316L welded stainless steel tubes are specifically developed for industrial applications that require strong corrosion resistance and reliable welding performance.
The “L” designation represents low carbon content, which minimizes carbide precipitation during welding and reduces the risk of intergranular corrosion. This makes TP316L particularly suitable for welded piping systems and fabrication-intensive applications.
The addition of molybdenum enhances resistance to chloride environments, making these tubes ideal for marine conditions and chemical processing plants.
ASTM A269 TP316L welded tubes are produced using high-quality stainless steel strips that undergo precision rolling, automated welding, solution annealing, and surface finishing to ensure consistent mechanical and corrosion-resistant properties.
Because of their durability and corrosion resistance, TP316L tubes are widely used in pharmaceutical equipment, food processing plants, offshore installations, and industrial heat exchanger systems.
Standard & International Identification - ASTM A269 TP316L Welded Tubes
Technical Specifications – TP316L Welded Tubes
| Tube Type: | Welded Stainless Steel Tubes |
| Manufacturing Process: | Cold Rolled Strip → Automatic Welding → Heat Treatment → Pickling & Passivation |
| Outer Diameter: | 6 mm to 114 mm |
| Wall Thickness: | 0.5 mm to 6 mm |
| Length Options: | Random / Cut Length / Custom Fabricated Tubes |
| Surface Finish: | Bright Annealed / Pickled & Annealed / Polished Finish Available |
| Testing & Inspection: | Hydrostatic Test, Eddy Current Test,Flattening Test, PMI, Flaring Test |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A269 / ASME SA269 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – Stainless Steel TP316L Welded Tubes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.03% |
| Manganese (Mn): | 2.00 % |
| Silicon (Si): | 1.00% |
| Phosphorus (P): | 0.045 % |
| Sulfur (S): | 0.030 % |
| Chromium (Cr): | 16.0-18.0% |
| Nickel (Ni): | 10.0-14.0% |
| Molybdenum (Mo): | 2.0 – 3.0% |
| Iron : | Balance |
Note: The low carbon composition improves resistance to intergranular corrosion after welding.
Mechanical Properties – ASTM A269 TP316L Tubes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 485 MPa |
| Yield Strength | 170 MPa |
| Elongation | 40% |
These mechanical properties ensure excellent durability and flexibility in welded piping systems and corrosive environments.
Corrosion Resistance of SS 316L Tubes
SS 316L tubes are widely recognized for their excellent corrosion resistance in aggressive industrial environments.
Key performance benefits include:
Because of these characteristics, TP316L stainless steel tubing is widely used in hygienic and corrosion-sensitive applications.
Major Industrial Applications of TP316L welded stainless steel tubes
- ASTM A269 TP316L welded stainless steel tubes are widely used in:
- 🔸Pharmaceutical Manufacturing Facilities
- 🔸Food and Beverage Processing Plants
- 🔸Marine and Offshore Installations
- 🔸Chemical Processing Industries
- 🔸Industrial Heat Exchangers
- 🔸Oil and Gas Processing Systems
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