Ranya Stainless, a trusted manufacturer and supplier based in Muscat, Oman, specializes in delivering premium stainless steel solutions that meet international performance standards. Among its flagship products, Stainless Steel Seamless Pipes are known for their exceptional strength, smooth finish, and flawless construction. Produced without welded joints, these pipes offer superior reliability in high-pressure and high-temperature environments. Ranya Stainless combines advanced manufacturing technology with stringent quality control to ensure consistent precision and durability. With a strong commitment to customer satisfaction, the company has become a preferred partner for industries seeking dependable seamless piping solutions across construction, energy, chemical, and mechanical sectors.
Stainless Steel Seamless Pipes are primarily made from iron alloyed with chromium (16–20%) and nickel (8–12%), along with controlled levels of carbon, manganese, silicon, and sometimes molybdenum for enhanced corrosion and heat resistance. This composition ensures excellent durability and stability under demanding conditions. Mechanically, these pipes offer high tensile and yield strength, superior toughness, and reliable performance under fluctuating temperatures and pressures. With a uniform structure free from welds, they provide exceptional leak-proof characteristics, smooth flow, and long service life, making them ideal for critical industrial applications.
| 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 across industries that require dependable strength, corrosion resistance, and flawless fluid transportation. They are essential in oil and gas pipelines, refinery systems, and petrochemical plants due to their ability to withstand high pressure and corrosive environments. Power plants and boilers rely on them for heat transfer applications. The pharmaceutical, food-processing, and chemical industries prefer seamless pipes for sanitary and contamination-free flow. In construction and engineering, they serve as strong structural components. Their durability, precision, and leak-proof performance make them a reliable choice across a broad range of industrial applications.







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