Seamless Pipes Supplier in India
ASTM A106 • API 5L • IS 1239 • SCH 40/80 • High PressureDeal On Steel Industries is a leading Seamless Pipes Supplier in India, offering high-quality seamless steel pipes for diverse industrial, construction, infrastructure, oil & gas, power, and engineering applications. We supply precision-engineered seamless pipes manufactured using advanced production technology and strict quality control standards to ensure superior strength, dimensional accuracy, corrosion resistance, and long service life. Our extensive inventory enables us to meet bulk and urgent requirements across India with timely delivery and competitive pricing. We actively supply seamless pipes to major industrial hubs including Mumbai, Delhi, Chennai, Bengaluru, Hyderabad, Pune, Ahmedabad, Kolkata, and surrounding regions, ensuring reliable solutions for every project requirement. As a trusted seamless pipes supplier in India, Deal On Steel Industries supplies premium-quality carbon steel seamless pipes, industrial-grade seamless tubing, and customized piping solutions for diverse sectors. Whether you are looking for an industrial seamless pipe supplier, an MS seamless pipe supplier, or a dependable seamless steel tube supplier, selecting quality-certified products ensures long-term performance and safety.
For structural applications, industries also use MS RHS & SHS Square/Rectangular Pipes and MS Round Pipes supplier in India products alongside seamless piping systems to complete their infrastructure and fabrication requirements.
What Are Seamless Pipes?
Seamless pipes are steel pipes manufactured without any welding seam or joint. They are produced from a solid round steel billet that is heated and pierced to form a hollow tube. Since there is no welded section, the pipe maintains uniform strength throughout its circumference.
Key characteristics of seamless pipes include:
No welded joints
High pressure resistance
Uniform wall thickness
Excellent mechanical strength
Better reliability under critical operating conditions
Long service life
These properties make seamless pipes ideal for industries where safety and performance are critical.
How Seamless Pipes Are Manufactured
The manufacturing process of seamless pipes involves several stages:
- Billet Heating: A solid steel billet is heated to high temperatures until it becomes malleable.
- Rotary Piercing: The heated billet passes through a rotary piercing mill where a hollow cavity is created in the center.
- Elongation Process: The pierced hollow shell is elongated using rolling mills to achieve the required length and diameter.
- Sizing: The pipe is sized accurately to meet dimensional tolerances and industry standards.
- Heat Treatment: Heat treatment improves mechanical properties, strength, toughness, and durability.
- Inspection & Testing: Each pipe undergoes dimensional inspection, hydrostatic testing, and quality verification before dispatch.
Difference Between Seamless and Welded Pipes
| Feature | Seamless Pipe | ERW Pipe |
|---|---|---|
| Weld Joint | No | Yes |
| Pressure Handling | High | Medium |
| Cost | Higher | Lower |
| Applications | Boiler/Oil/Gas | General Use |
For standard industrial and construction applications, businesses also procure products from an ERW Pipes supplier in India, while seamless pipes remain the preferred choice for high-pressure operations.
Types of Seamless Pipes Available in India
Carbon Steel Seamless Pipes
Carbon steel seamless pipes are widely used in industrial sectors due to their excellent strength and pressure resistance. Common specifications include ASTM A106, API 5L, ASTM A53. Applications: Oil & gas pipelines, refineries, petrochemical plants, high-pressure systems.
Mild Steel Seamless Pipes
Mild steel seamless pipes offer good strength, weldability, and cost efficiency. Applications include fabrication projects, industrial machinery, structural applications, construction projects.
Hydraulic Seamless Pipes
Hydraulic seamless pipes are designed for pressure-based fluid systems. Applications: Hydraulic cylinders, hydraulic power packs, industrial pressure systems, heavy equipment manufacturing.
Boiler Seamless Pipes
Boiler-grade seamless pipes withstand elevated temperatures and pressures. Applications: Thermal power plants, steam pipelines, refineries, boiler installations.
Stainless Steel Seamless Pipes
Stainless steel seamless pipes provide superior corrosion resistance and durability. Popular grades: SS 304, SS 316. Applications: Chemical industries, food processing plants, pharmaceutical units, marine environments.
Seamless Pipe Sizes Chart
| NB Size | OD (mm) | Thickness (mm) | Schedule |
|---|---|---|---|
| 15 NB | 21.3 | 2.77 | Sch 40 |
| 20 NB | 26.7 | 2.87 | Sch 40 |
| 25 NB | 33.4 | 3.38 | Sch 40 |
| 32 NB | 42.2 | 3.56 | Sch 40 |
| 40 NB | 48.3 | 3.68 | Sch 40 |
| 50 NB | 60.3 | 3.91 | Sch 40 |
| 80 NB | 88.9 | 5.49 | Sch 40 |
| 100 NB | 114.3 | 6.02 | Sch 40 |
| 150 NB | 168.3 | 7.11 | Sch 40 |
| 200 NB | 219.1 | 8.18 | Sch 40 |
Available schedules include: Sch 10, Sch 20, Sch 40, Sch 80.
Seamless Pipe Weight Chart
| Pipe Size | Thickness | Weight Per Meter |
|---|---|---|
| 15 NB | 2.77 mm | 1.27 kg/m |
| 20 NB | 2.87 mm | 1.68 kg/m |
| 25 NB | 3.38 mm | 2.50 kg/m |
| 32 NB | 3.56 mm | 3.38 kg/m |
| 40 NB | 3.68 mm | 4.05 kg/m |
| 50 NB | 3.91 mm | 5.44 kg/m |
| 80 NB | 5.49 mm | 11.29 kg/m |
| 100 NB | 6.02 mm | 16.07 kg/m |
| 150 NB | 7.11 mm | 29.82 kg/m |
| 200 NB | 8.18 mm | 42.56 kg/m |
Weights are approximate and may vary depending on specifications and standards.
Seamless Pipe Specifications & Standards
Quality seamless pipes are manufactured according to international and Indian standards, including ASTM A106, ASTM A53, API 5L, IS 1239, IS 3589. These standards ensure dimensional accuracy, pressure handling capability, chemical composition compliance, and mechanical strength.
Applications of Seamless Pipes
Oil & Gas Industry: Seamless pipes are extensively used in drilling, transportation, refining, and distribution systems where high pressure and safety are critical.
Boiler & Thermal Plants: Power generation facilities use seamless pipes for steam transportation and boiler systems due to their excellent heat resistance.
Construction & Infrastructure: Large infrastructure projects utilize seamless pipes for structural and utility applications requiring high durability.
Chemical Industry: Chemical processing plants depend on seamless pipes for safe transportation of aggressive fluids and chemicals.
Water Treatment Plants: Water distribution and treatment facilities use seamless pipes for reliable and leak-free operations.
Heavy Engineering Projects: Industrial machinery, equipment manufacturing, and engineering projects require seamless pipes for robust performance.
Why Industries Prefer Seamless Pipes
Higher Strength: The absence of weld seams results in greater structural integrity.
No Welding Defects: There is no risk of weld-related failures or weak points.
High Pressure Support: Seamless pipes can handle significantly higher pressure than welded alternatives.
Better Corrosion Resistance: Uniform construction minimizes the possibility of corrosion concentration points.
Longer Service Life: Their durability leads to reduced maintenance costs and extended operational lifespan.
Seamless Pipe Price Factors in India
The price of seamless pipes depends on several factors: Raw Material Cost, Schedule Thickness, Diameter, Alloy Grade, Transportation, Imported vs Domestic Material.
Seamless Pipes Supplier Across India
Deal On Steel Industries supplies seamless pipes across major industrial regions including Mumbai, Delhi NCR, Ghaziabad, Noida, Ahmedabad, Pune, Chennai, Hyderabad. Commercial advantages include: Ready stock availability, Bulk supply capability, PAN India delivery, Mill test certificates, Third-party inspection support, Timely dispatch services.
Why Choose Pipe & Sections Pvt Ltd?
Pipe & Sections Pvt Ltd is recognized as a reliable supplier for industrial piping requirements. Benefits include: Extensive industrial supply experience, Large inventory and bulk stock availability, Fast dispatch and delivery, Competitive market pricing, Custom cutting facilities, Complete documentation support, Quality assurance and testing reports.
Related Industrial Pipe Products
Industrial buyers often source complementary products along with seamless pipes. Explore our complete range:
- MS RHS & SHS Square/Rectangular Pipes
- MS Round Pipes supplier in India
- GI Pipes supplier in India
- ERW Pipes supplier in India
These products support construction, fabrication, infrastructure, and industrial projects across India.
How to Choose the Right Seamless Pipe
Selecting the correct seamless pipe requires evaluating: Pressure Requirement, Schedule Selection (Sch 10, Sch 20, Sch 40, Sch 80), Fluid Type, Temperature Range, Corrosion Exposure.
Seamless Pipe Buying Tips for Industrial Buyers
Before purchasing seamless pipes, buyers should: Verify Standards (ASTM, API, IS), Check Mill Test Certificate, Inspect Wall Thickness, Confirm Pressure Rating, Choose Trusted Suppliers for consistent performance.
Conclusion
Seamless pipes play a vital role in modern industrial infrastructure due to their superior strength, pressure resistance, reliability, and long-term durability. Their ability to perform in demanding environments makes them the preferred choice for oil & gas facilities, power plants, chemical industries, construction projects, and heavy engineering applications. As a trusted supplier, Deal On Steel Industries delivers high-quality seamless piping solutions backed by reliable inventory management, bulk supply capability, quality documentation, and nationwide distribution support. Whether you require carbon steel, mild steel, hydraulic, boiler, or stainless steel seamless pipes, choosing certified products ensures operational efficiency and long service life. For project requirements, bulk orders, or technical assistance, request a quotation, submit a bulk inquiry, or contact our support team today.
Frequently Asked Questions
What are seamless pipes used for?
Seamless pipes are used in oil & gas, power generation, chemical processing, water treatment, construction, and heavy engineering industries where high pressure and reliability are required.
What is the difference between seamless and ERW pipes?
Seamless pipes have no welded joints and offer higher pressure resistance, while ERW pipes contain a welded seam and are generally used for lower-pressure applications.
Which industries use seamless steel pipes?
Industries such as oil & gas, refineries, thermal power plants, chemical processing, infrastructure development, and manufacturing commonly use seamless steel pipes.
What sizes are available in seamless pipes?
Seamless pipes are available in a wide range of sizes from small-diameter process piping to large industrial pipeline dimensions with multiple schedule options.
Are seamless pipes better for high-pressure applications?
Yes. Seamless pipes are considered ideal for high-pressure applications because they have no welded joints, reducing the risk of failure under extreme operating conditions.
What is the price of seamless pipes in India?
The price depends on material grade, pipe size, wall thickness, schedule, quantity, specifications, and prevailing steel market rates.
Need High-Quality Seamless Pipes?
Contact Deal On Steel Industries for competitive pricing, ready stock, and PAN India delivery of carbon steel, hydraulic, boiler & stainless steel seamless pipes.
📞 +91-99110 01493 | 📧 info@dealonsteel.com
Deal On Steel Industries – Your Trusted Seamless Pipe Partner 🔧
