Pipes & Tubes

Pipes & Tubes

At Diya Steelloy, we supply premium-quality pipes and tubes engineered to meet stringent industrial standards. Our product range includes seamless pipes, seamless tubes, welded pipes, welded tubes, and ERW pipes & tubes, available in a wide variety of high-performance materials such as stainless steel (304, 316, 310, 321, 904L, Duplex 2205), carbon steel (A106, A53, API 5L), alloy steel (A335 P11, P22, P91), nickel alloys (Inconel, Monel, Hastelloy), non-ferrous metals (copper, brass, aluminium, titanium), and Corten steel (A588, A242). These products are extensively used across oil & gas, power generation, chemical processing, construction, marine, and automotive industries. Our pipes and tubes offer exceptional strength, corrosion resistance, dimensional accuracy, and weldability, making them ideal for both high-pressure and high-temperature applications.

Available Grades of Pipes & Tubes

Material Type Available Grades
Stainless Steel 304 / 304L / 316 / 316L / 321 / 347 / 310 / 310S / 904L / Duplex 2205 / Super Duplex 2507
Carbon Steel A106 Gr. A/B/C / A53 Gr. A/B / API 5L Gr. B, X42, X52, X60, X70 / IS 1239 / IS 3589
Alloy Steel SA387 Grade 11 / SA387 Grade 12 / SA387 Grade 22 / A335 P1, P5, P9, P11, P22, P91 / A213 T2, T5, T9, T11, T22, T91
Nickel Alloys Nickel 200 / 201 / Monel 400 / K500 / Inconel 600 / 625 / 718 / Hastelloy C22 / C276 / Alloy 20
Non-Ferrous Metals Copper (C101, C110) / Brass (ASTM B135) / Bronze / Aluminium 6061, 6082, 5083, 7075 / Titanium Grade 1, 2, 5, 7
Special Alloys Tantalum / Molybdenum / Tungsten / Zirconium Grade 702, 705 / Chromium Alloys
Corten Steel A242 / A588 / IRSM 41-97
Mild Steel (MS) IS 1239 (Part 1) / IS 3589

Dimensional Table for Pipes & Tubes

Parameter Range / Specification
Outer Diameter 6 mm to 1680 mm (varies by type)
Wall Thickness 1 mm to 100 mm
Length Up to 12 meters or customized lengths
Available Forms Round, Square, Rectangular (mostly tubes)
Surface Finish Hot Rolled, Cold Drawn, Polished, Pickled
Standards ASTM, ASME, API, EN, ISO, IS

Types of Pipes & Tubes

Seamless Pipes

Seamless pipes are high-quality pipes manufactured without any welding or joints, formed by piercing a solid billet and rolling it into a hollow tube. This process ensures uniform strength, superior pressure handling, and excellent dimensional accuracy, making seamless pipes ideal for critical applications in industries such as oil & gas, power generation, chemical processing, and petrochemicals. Available in carbon steel, alloy steel, and stainless steel, seamless pipes provide outstanding resistance to high pressure, temperature, and corrosion.

Seamless Pipes
Key Features:-

  • Manufactured without welds for superior strength and reliability.

  • Excellent resistance to high pressure, temperature, and corrosion.

  • Available in a wide range of sizes, thicknesses, and materials including carbon steel, alloy steel, and stainless steel.

  • Ideal for use in critical industries like oil & gas, power plants, and petrochemicals.

  • Offers excellent dimensional accuracy and uniformity.



Seamless Tubes

Seamless tubes are precision-engineered hollow tubes made without any welding or seams, ensuring exceptional strength and uniformity. Manufactured through extrusion or rotary piercing, these tubes deliver superior mechanical properties, dimensional accuracy, and smooth surface finish. They are widely used in applications requiring high tolerance and corrosion resistance such as hydraulic systems, instrumentation, aerospace, and automotive industries. Available in stainless steel, carbon steel, and alloy steel, seamless tubes are trusted for demanding structural and high-pressure environments.

Seamless Tubes
Key Features:-

  • Produced without welds or joints for maximum strength and integrity.

  • High dimensional precision with smooth internal and external surfaces.

  • Available in various materials including stainless steel, carbon steel, and alloy steel.

  • Widely used in hydraulic systems, instrumentation, aerospace, and automotive sectors.

  • Excellent corrosion resistance and mechanical performance under high pressure.



Welded Pipes

Welded pipes are fabricated by rolling metal sheets or strips into a cylindrical shape and then joining the edges through welding. They offer a cost-effective solution for various industrial applications where high strength and reliability are required. Available in carbon steel, stainless steel, and alloy steel, welded pipes are widely used in water and gas transportation, structural applications, oil and gas pipelines, and construction industries. Their versatility, availability in different sizes, and ease of fabrication make them a preferred choice for many engineering projects.

Welded Pipes
Key Features:-

  • Manufactured by welding edges of rolled metal sheets or strips.

  • Cost-effective with availability in a wide range of sizes and thicknesses.

  • Commonly made from carbon steel, stainless steel, and alloy steel.

  • Widely used in water, gas pipelines, structural frameworks, and oil & gas industries.

  • Easy to fabricate and customize for specific industrial requirements.



Welded Tubes

Welded tubes are manufactured by bending metal strips or sheets into a tubular shape and welding the seam to form a strong and precise tube. These tubes are known for their versatility, cost-effectiveness, and availability in various sizes and materials including carbon steel, stainless steel, and alloy steel. Welded tubes are commonly used in automotive, mechanical, and structural applications where high strength, durability, and accuracy are essential. Their ease of fabrication and customization make them suitable for a wide range of industrial uses.

Welded Tubes
Key Features:-

  • Produced by forming and welding metal strips or sheets into tubes.

  • Available in carbon steel, stainless steel, and alloy steel varieties.

  • Offers precise dimensions and excellent surface finish.

  • Widely used in automotive, construction, mechanical, and structural applications.

  • Customizable in terms of size, thickness, and finish to meet specific needs.



ERW Pipes & Tubes

ERW (Electric Resistance Welded) pipes and tubes are manufactured by rolling metal and welding the seam using electric resistance. This process creates strong, uniform pipes with excellent dimensional accuracy and smooth surface finish. ERW pipes and tubes are widely used in structural, mechanical, and fluid transportation applications due to their cost-effectiveness, durability, and high-quality weld joints. Available in various materials including carbon steel and alloy steel, ERW pipes and tubes are ideal for oil & gas, construction, automotive, and industrial sectors.

ERW Pipes & Tubes
Key Features:-

  • Manufactured by electric resistance welding for strong, uniform seams.

  • Excellent dimensional accuracy and smooth surface finish.

  • Available in carbon steel and alloy steel grades.

  • Widely used in oil & gas pipelines, construction frameworks, and automotive industries.

  • Cost-effective solution with reliable weld integrity and high strength.



Applications of Pipes & Tubes


  • Widely used in oil and gas industries for transportation of fluids and gases under high pressure.

  • Essential components in water supply and sewage systems for residential, commercial, and industrial use.

  • Used in construction for structural support in scaffolding, handrails, and framework.

  • Critical in automotive and aerospace sectors for manufacturing chassis, hydraulic systems, and exhaust systems.

  • Used in power plants and chemical industries for heat exchangers, boilers, and pressure vessels.

  • Applied in HVAC systems for air conditioning ducts and ventilation tubing.

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