Walid Stainless, a reputed manufacturer and supplier based in Tunis, Tunisia, provides premium-quality Stainless Steel Seamless Pipes engineered for high-performance and critical applications. Manufactured without welding joints, these pipes offer superior strength, uniform structure, and excellent pressure-handling capability. Walid Stainless seamless pipes are produced using advanced technology and strict quality control to ensure dimensional accuracy, smooth surface finish, and compliance with international standards. Known for their durability and corrosion resistance, our stainless steel seamless pipes deliver reliable performance in demanding environments, making Walid Stainless a trusted name for quality piping solutions worldwide.
Stainless Steel Seamless Pipes are commonly manufactured from austenitic grades such as SS 304, 304L, 316, and 316L. These alloys contain chromium for corrosion resistance and nickel for enhanced toughness, with low carbon content improving weldability and resistance to intergranular corrosion. Mechanically, seamless pipes exhibit high tensile and yield strength, excellent ductility, and superior resistance to pressure, temperature variations, and fatigue. The seamless construction ensures uniform mechanical properties and enhanced reliability under severe service conditions.
| Range : | 6NB to 1200NB |
| Outer Diameter : | 1/8″ NPS to 12″ NPS |
| Thickness : | 0.6 mm to 12.7 mm |
| Schedules : | SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
| Length : | Single Random, Double Random & Cut Length |
| Specifications : | ASTM A312 / ASTM SA312 |
| Types : | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| End : | Plain End, Beveled End |
| Grade | UNS # | Content % by weight | |||||||
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum | ||
| TP304 | S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18 – 20 | 8 – 11 | x |
| TP304L | S30403 | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18 – 20 | 8 – 13 | x |
| TP316 | S31600 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16 – 18 | 10 – 14 | 2 – 3 |
| TP316L | S31603 | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16 – 18 | 10 – 14 | 2 – 3 |
| Steel Grade | N/mm 2 MIN. Tensile Stress | N/mm 2 MIN. Proof Stress | % MIN. Elongation | HRB MAX. Hardness |
| SUS304 | 520 | 205 | 40 | 90 |
| SUS304L | 480 | 175 | 40 | 90 |
| SUS310S | 520 | 205 | 40 | 90 |
| SUS316L | 480 | 175 | 40 | 90 |
| SUS321 | 520 | 205 | 40 | 90 |
Contact us to get a quick quote for your requirement.
| SS TP 304 Seamless Pipes | Stainless TP 304L Seamless Tubing |
| ASTM A213 Stainless Welded Pipe | A249 SS TP Welded Tubes |
| ASTM A358 310S Stainless ERW Pipe | A312 SS 310 Rectangular Seamless Pipe |
| ASTM A213 316 SS Rectangular Tubes | TP 316L SS ERW Tubes |
| TP 316H Stainless Coiled Seamless Tubing | SS Heat Ex-changer Tubes |
| Stainless 317L Round Tubing | ASTM A213 317 Stainless Square Seamless Pipes |
| ASME TP Stainless Electric Fusion Welding Pipes | TP 321 SS EFW Tubing |
We are delivering the most seamless customer experience with their exhaustive documentations attached with the Stainless Steel Seamless Pipes. The despatch is done along with essential documents like a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and an NABL-approved lab test report covering the fact of authenticity and quality beyond comparison. In addition to this, we offer a battery of test certificates such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate, as well as our commitment to client satisfaction and our uncompromising pursuit of excellence on every product we deliver.
Yes, stainless steel seamless pipes are ideal for hygienic and sanitary applications due to their corrosion resistance, smooth surface finish, and ability to prevent contamination and bacterial growth.
Stainless steel seamless pipes are generally resistant to galvanic corrosion, especially when properly passivated. However, if in contact with more anodic metals, galvanic corrosion can occur in certain environments.
Yes, stainless steel seamless pipes are highly recyclable. They can be melted down and repurposed for new products without losing quality, making them a sustainable material option.
Yes, stainless steel seamless pipes are suitable for cryogenic applications due to their excellent toughness, strength, and resistance to brittle fracture at extremely low temperatures.
Stainless Steel Seamless Pipes are widely used in industries that require high strength and pressure resistance. Typical applications include oil and gas pipelines, chemical and petrochemical processing, power generation, boilers, heat exchangers, and refineries. They are also used in pharmaceutical, food processing, and marine industries where corrosion resistance and cleanliness are essential. Seamless pipes are ideal for high-temperature and high-pressure fluid transport, as well as critical structural applications. Their reliability, long service life, and ability to withstand harsh environments make them a preferred choice across industries.
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