Seamless Pipes Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a premier manufacturer and global supplier of seamless pipes, designed for exceptional strength, leak-proof performance, and resistance to high pressure and temperature. Our seamless pipes are produced using piercing and extrusion methods, ensuring a homogeneous structure and smooth internal surface, free from welding seams.
We offer seamless pipes in a variety of materials, including stainless steel, carbon steel, alloy steel, and duplex grades, all fully compliant with international standards such as ASTM, ASME, EN, DIN, and API. These pipes are widely used across industries like oil & gas, chemical processing, petrochemical, power generation, marine, and engineering.
What Are Seamless Pipes?
Seamless pipes are produced without any welds or joints, providing superior strength and corrosion resistance. They are created by hot rolling or cold drawing a solid billet over a piercing rod to form a hollow shell. This manufacturing process makes seamless pipes ideal for critical applications where high pressure, high temperature, and exposure to aggressive media are common.
Compared to welded pipes, seamless pipes offer enhanced mechanical integrity, uniformity, and reliability, making them the preferred choice for high-performance environments.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Product Specifications
| Property | Specification |
|---|---|
|
Material Grades |
SS 304, 304L, 316, 316L, 321, 310, Duplex 2205, 2507, A106, A53, A335 P11/P22
|
|
Size Range |
1/4″ NB to 24″ NB |
|
Wall Thickness |
SCH 5 to SCH 160 / XXS |
|
Length |
Single Random, Double Random, Cut Lengths |
|
Form |
Round, Square, Rectangular |
|
Manufacturing Process |
Hot Rolled, Cold Drawn, Hot Expanded |
|
Standards |
ASTM A312, ASTM A106, ASTM A335, ASME B36.10/B36.19, EN 10216 |
Types of Seamless Pipes
Stainless Steel Seamless Pipes – Known for their corrosion resistance and ability to withstand high temperatures, these pipes are perfect for demanding environments in industries like chemical processing and food production.
Carbon Steel Seamless Pipes – Commonly used in structural and pressure-based applications, offering a cost-effective solution for industries such as construction and oil & gas.
Alloy Steel Seamless Pipes – Designed for high-strength and high-temperature applications, ideal for industries like power generation and aerospace.
Duplex & Super Duplex Pipes – Provide excellent resistance to stress, corrosion, and chlorides, making them ideal for marine, petrochemical, and offshore applications.
Precision Seamless Pipes – Used in hydraulic, instrumentation, and boiler applications, offering high precision and reliability for critical systems.
Cold Drawn Seamless Tubes (CDS) – Known for their tight tolerances and superior surface finish, these tubes are ideal for applications requiring high dimensional accuracy and smooth internal surfaces.
Available Grades
Stainless Steel:
304, 304L, 316, 316L – Ideal for general-purpose applications requiring excellent corrosion resistance.
310, 321, 347 – Suitable for high-temperature environments and environments with higher thermal stress, offering enhanced resistance to oxidation and corrosion.
Carbon Steel:
ASTM A106 Grade B – Commonly used in high-temperature and high-pressure applications, especially in steam and water pipelines.
ASTM A53 Grade B – Widely used in structural and pressure-based applications, suitable for various construction and industrial piping systems.
Alloy Steel:
ASTM A335 P1, P5, P11, P22, P91 – Designed for high-temperature service, these alloy steels are used in power plants, refineries, and other demanding applications requiring high strength and resistance to heat.
Duplex & Super Duplex:
UNS S31803, S32205, S32750, S32760 – Known for their exceptional strength, corrosion resistance, and resistance to pitting and crevice corrosion, these materials are perfect for industries like petrochemical, offshore, and marine environments.
Chemical Composition (Typical for SS 304/316)
| Element | SS 304 (%) | SS 316 (%) |
|---|---|---|
|
Carbon (C) |
0.08 max |
0.08 max |
|
Chromium (Cr) |
18.0 – 20.0 |
16.0 – 18.0 |
|
Nickel (Ni) |
8.0 – 10.5 |
10.0 – 14.0 |
|
Molybdenum (Mo) |
— |
2.00 – 3.00 |
Mechanical Properties
| Property | SS 304 / SS 316 |
|---|---|
|
Tensile Strength |
515–750 MPa |
|
Yield Strength |
205–310 MPa |
|
Elongation (%) |
≥ 30% |
|
Hardness (HRB) |
≤ 95 |
Applications of Stainless Steel Pipes
Construction &
Infrastructure
Marine &
Offshore
Automotive &
Transportation
Manufacturing &
Heavy Equipment
Chemical &
Pharmaceutical Plants
Oil & Gas
Food & Beverage
Industry
Benefits of Seamless Pipes
No Welds or Joints – Provides superior pressure and corrosion resistance, ensuring a leak-proof and durable solution for critical applications.
High Dimensional Accuracy – Features a smooth bore finish with tight tolerances, making it ideal for precision applications.
Long Service Life – Designed for longevity with minimal maintenance, reducing the need for frequent replacements.
Suitable for High-Temperature and High-Stress Conditions – Performs reliably in environments with extreme temperatures and mechanical stress.
Available in Various Lengths, Diameters, and Alloys – Offers flexibility to meet specific project requirements, from standard to custom sizes.
Frequently Asked Questions
Seamless pipes are preferred in critical industries because they offer superior strength, reliability, and resistance to pressure and corrosion, making them ideal for high-performance applications in oil & gas, chemical processing, and power generation.
Yes, seamless pipes are available in both hot rolled and cold drawn forms, providing options for different applications that require varying degrees of dimensional accuracy and surface finish.
Yes, we offer custom lengths and grades for seamless pipes, tailored to meet the specific requirements of your project or application.
Yes, we provide mill test certificates and third-party inspection reports to ensure that our seamless pipes meet industry standards and quality requirements.
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