Seamless Stainless Steel Tube
Seamless Stainless Steel Tube Manufacturer & Supplier
Emirerri Steel is a trusted global supplier of Seamless Stainless Steel Tubes, delivering premium quality products to industries that demand strength, durability, and precision. Known for their excellent resistance to corrosion, seamless stainless steel tubes are widely used in chemical processing, oil & gas, food processing, pharmaceuticals, marine, and power generation. At Emirerri Steel, we manufacture and export seamless tubes that meet international standards, ensuring reliability and performance in even the most demanding environments.
Our seamless stainless steel tubes are produced using advanced technology and strict quality control to achieve superior surface finish, precise dimensions, and long-lasting service life. Whether you require tubes for high-pressure applications, heat exchangers, or critical structural use, Emirerri Steel is your trusted partner.
What is a Seamless Stainless Steel Tube?
A seamless stainless steel tube is manufactured without any welding or joints. It is created through a solid round steel billet, which is heated and pierced to form a hollow tube. Unlike welded tubes, seamless tubes do not have a weld seam, making them stronger and more reliable under pressure.
Key benefits of seamless stainless steel tubes include:
Higher strength and ability to withstand extreme pressure.
Excellent corrosion resistance against moisture, chemicals, and acids.
Uniform structure and finish due to the absence of welds.
Better dimensional accuracy, making them suitable for precision engineering.
Standard & Grade
ASTM A213 / ASME SA213
ASTM A269 / ASME SA269
ASTM A312 / ASME SA312
ASTM A249 / ASME SA249
ASTM A511
Sizes
ASTM A249 Welded Mirror Polished Tube
| O/D | Wall | Weight per | O/D | Wall | Weight per |
|---|---|---|---|---|---|
| (ins) | (mm) | metre (kg) | (ins) | (mm) | metre (kg) |
| 1/2 | 1.50 | 0.42 | 1 1/4 | 1.50 | 1.13 |
| 5/8 | 1.20 | 0.44 | 1 3/8 | 1.20 | 1.02 |
| 5/8 | 1.50 | 0.54 | 1 1/2 | 1.20 | 1.11 |
| 3/4 | 1.20 | 0.53 | 1 1/2 | 1.50 | 1.38 |
| 3/4 | 1.50 | 0.66 | 1 1/2 | 2.00 | 1.81 |
| 3/4 | 1.20 | 0.63 | 1 3/4 | 1.50 | 1.62 |
| 7/8 | 1.50 | 0.78 | 2 | 1.20 | 1.49 |
| 7/8 | 2.00 | 1.01 | 2 | 1.50 | 1.85 |
| 1 | 1.20 | 0.73 | 2 | 2.00 | 2.40 |
| 1 | 1.50 | 0.90 | 2 1/2 | 1.50 | 2.34 |
| 1 | 2.00 | 1.17 | 3 | 1.50 | 2.81 |
| 1 1/8 | 1.50 | 1.02 | 4 | 3.00 | 7.41 |
| 1 1/4 | 1.20 | 0.92 |
|
Manufacturing Process
Selection of Raw Material – High-quality stainless steel billets are sourced to ensure strength and durability.
Heating & Piercing – Billets are heated and pierced to create a hollow shell.
Hot Rolling & Extrusion – The hollow shell is elongated and rolled into tube form with uniform thickness.
Cold Drawing – Tubes are drawn through dies to achieve precise dimensions and smooth surface finish.
Heat Treatment – Tubes undergo annealing for enhanced mechanical properties and corrosion resistance.
Pickling & Polishing – Surface treatment ensures a clean, bright finish free from scale and impurities.
Testing & Inspection – Each tube is tested for dimensional accuracy, strength, and leak-proof performance.
Applications
Oil & Gas Industry – For high-pressure pipelines, offshore drilling, and refineries.
Chemical & Petrochemical – Ideal for transporting corrosive fluids and gases.
Pharmaceutical & Food Industry – Ensures hygiene, sterility, and compliance with FDA/ISO standards.
Marine Industry – Resistant to saltwater corrosion and suitable for shipbuilding.
Power Generation – Used in boilers, heat exchangers, and condensers.
Automobile & Aerospace – Precision tubes for fuel lines, hydraulics, and structural parts.
Construction & Infrastructure – Durable and aesthetic choice for structural frameworks and architectural designs.