Welded Pipe & Tube

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At Steelage Alloys, we offer a wide range of welded pipes and tubes that are engineered for durability, reliability, and cost-effectiveness. Manufactured by rolling and welding high-quality metal strips, our welded pipes deliver consistent performance and excellent structural integrity. They are widely used in industries such as construction, water supply, chemical processing, automotive, and general engineering.

Our welded pipes and tubes are available in stainless steel, carbon/mild steel, aluminium, and other alloys, with customizable sizes, thicknesses, and finishes. Each product undergoes rigorous inspection and testing to ensure it meets global standards for strength, dimensional accuracy, and corrosion resistance. Whether you need pipes for fluid transport, structural support, or decorative applications, Steelage Alloys offers dependable solutions that balance quality and affordability.

Corrosion Resistant

Trusted Supplier

Bulk Orders

Features

  • Cost-Effective & Efficient Production
  • Uniform Wall Thickness & Smooth Finish
  • Good Corrosion & Rust Resistance
  • High Weld Strength & Durability
  • Available in a Wide Range of Materials & Sizes
  • Tested for Dimensional Accuracy & Leak-Free Performance
  • Ideal for Structural, Mechanical, and Decorative Uses
  • Compliance with International Standards (ASTM, ASME, etc.)

Specifications

  • Outer Diameter: Φ6-Φ3000mm (Minimum - Maximum)
  • Wall Thickness: 0.3-45mm (Minimum – Maximum)
  • Length: 18000mm (Maximum)
  • Customised size needs to be confirmed with us

Standards

  • American Standard: ASTM A312, ASTM A358, ASTM A249, ASTM A269, ASTM A554, ASTM A790, ASTM A268
  • European Standard: DIN 17457
  • Japanese Standard: JIS G3459
  • GB Standard: GB/T12770-2002, GB/T12771-2008

Applications

  • Nuclear Power Plant
  • Oil & Gas
  • Power Plants
  • Chemical Industry
  • Pharma & Food:
  • Automotive & Aerospace
  • Marine
  • Construction
  • Agricultural Irrigation
  • Edible Oil Refinery Factories
  • Paper Plants
  • Power Plants
  • Shipyard
  • Medical Equipment
  • Electric Appliances
  • Petroleum

Manufacturing Process

Welded Pipe/Tube

hastelloy round bar

Strip

Analytic

Inspection

Cut to Length

Analytic

Centering

Slitting

Heating

Auto-welding

Perforation

Seam-grinding

Inspection of Size

Cut to Length

Pickling

Degreasing

Inspection of Surface

Annealing

Lubricating

Straightening

Cold Drawing (Cold Rolling)

Pickling

Degreasing

Flat-end

Annealing

X-ray Test

Straightening

Hydro-statio Test

Pickling / Passivating

Pickling / Passivating

Inspection

Inspection

Analytic

Analytic

Marking

Marking

Packing & Shipping

Packing & Shipping

Drawing & Formula

Formula: m = (OD - THK) × THK (mm) × L (m) × 0.02491
* For 316, 316L, 310S, 309S, etc., ratio=0.02507 OD = Outer diameter, THK = Wall Thickness, L = Length

Package

Plastic Bag

Wooden case

Logistics

By Sea

By Air