Hot Dip Galvanized Iron Pipes/Tubes

Circular Hollow Section

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Manufacturing Details

Product Summary

Hot Dip Galvanized Circular Hollow Sections are manufactured using high-quality mild steel and coated through the hot-dip galvanizing process, where the steel is dipped into molten zinc to create a protective anti-corrosion layer. This process enhances the pipe’s durability, rust resistance, and lifespan, making it highly reliable for outdoor and heavy-duty applications. With uniform thickness, smooth finish, and excellent strength, these circular hollow sections provide strong structural support and long-lasting performance in various environments.

Approved product range

Size & thickness availability

Browse the available wall thicknesses for each section size. Final availability is confirmed against quantity, finish and the approved supply requirement.

Available thickness
Nominal Bore in mm Outer diameter in mm Wall thickness (mm)
1.20 1.40 1.60 1.80 2.00 2.20 2.50 3.00 3.20 3.60 4.00
15 21
20 26
25 33
32 42
40 48
50 60
65 76
80 88
100 114
  1. Nominal Bore in mm15 Outer diameter in mm21

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
  2. Nominal Bore in mm20 Outer diameter in mm26

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
  3. Nominal Bore in mm25 Outer diameter in mm33

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
  4. Nominal Bore in mm32 Outer diameter in mm42

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
  5. Nominal Bore in mm40 Outer diameter in mm48

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
    • 3.60
  6. Nominal Bore in mm50 Outer diameter in mm60

    Available wall thickness (mm)

    • 1.20
    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
    • 3.60
  7. Nominal Bore in mm65 Outer diameter in mm76

    Available wall thickness (mm)

    • 1.40
    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
    • 3.60
  8. Nominal Bore in mm80 Outer diameter in mm88

    Available wall thickness (mm)

    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
    • 3.60
    • 4.00
  9. Nominal Bore in mm100 Outer diameter in mm114

    Available wall thickness (mm)

    • 1.60
    • 1.80
    • 2.00
    • 2.20
    • 2.50
    • 3.00
    • 3.20
    • 3.60
    • 4.00

Availability is indicative and is confirmed at the time of enquiry.

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Testing Method

Quality starts before pipe forming.

Incoming MS billets and prepared MS strips are checked before they move into the product-specific manufacturing route.

01

MS Billets

  • Chemical analysis
  • Spectrometer test
  • Hardness test
  • Dimension test
  • Surface inspection
  • Weight verification
02

MS Strips

  • Chemical analysis
  • Tensile strength
  • Thickness & width check
  • Surface quality inspection
  • Weight verification
View all testing methods
From material to dispatch

See how every stage connects.

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