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ERW Pipes

ERW (Electric Resistance Welded) Pipes are manufactured by the process of Electric Resistance Welding, where steel strips are cold-formed into cylindrical shapes and welded longitudinally using high-frequency current. These pipes are commonly referred to as “black” because they are supplied without any coating or galvanization. Known for their excellent strength, cost-effectiveness, and versatility, ERW pipes are widely used in a variety of applications such as construction, water supply, oil and gas, structural purposes, and general engineering.

Grades

Grade / Standard Specification Code Notes
IS 1239 (ERW) IS 1239 (Part 1) — ERW Pipes Standard for domestic ERW black pipes in India, widely available and economical.
IS 3589 IS 3589 — Hot Finished Welded Steel Pipes Suitable for heavy-duty or large-diameter applications; check pressure and wall thickness specifications.
ASTM A53 ASTM A53 / A53M Internationally recognized; available in Grade A & B (Grade B offers higher strength).
ASTM A106 ASTM A106 Grade B/C Seamless carbon-steel pipe grade, often used for elevated temperature conditions.
API 5L API 5L (PSL1 / PSL2) Specifies detailed chemical and mechanical properties, primarily used for pipelines.
EN / BS Standards EN 10219 / EN 10217, BS variants European standards, typically for welded pipes and manufactured hollow sections.
Manufacturer / Custom Grades Customer-specified (e.g., specific steel melt/chemical analysis) Riya Steels can provide custom sizes, finishes (black, galvanized, painted) as per request.

Key Features

  • Strong and durable with consistent wall thickness

  • Smooth inner and outer surface finishes

  • Easy to cut, weld, bend, and fabricate

  • Versatile and cost-effective

  • Available in a wide range of sizes and thicknesses

Advantages

  • High strength-to-weight ratio

  • Long-lasting with minimal maintenance

  • Economical choice compared to seamless and galvanized pipes

  • Ideal for both residential and industrial applications

At Riya Steels Group, we supply top-quality ISI-certified ERW Pipes, manufactured under stringent quality control standards to ensure reliability, safety, and outstanding performance across various applications.

ERW Black Pipe

ERW Black Pipes are steel pipes manufactured through Electric Resistance Welding (ERW),

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Product Specification

  • Material :

    Mild Steel / Carbon Steel

  • Standards :

    IS 1239 (Part 1 & 2), IS 3589, ASTM A53 (Grade A / B), EN 10219 / EN 10217

  • Outer Diameter (OD) :

    ½ inch (15 mm) to 24 inch (610 mm)
    Custom sizes available on request

  • Wall Thickness :

    1.6 mm to 12.0 mm (as per requirement)

  • Length :

    Standard: 6 meters (customized lengths available)

  • Finish :

    Black (as-rolled), Galvanized (on request)

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