NOVSA GI Pipe – Durable & Corrosion-Resistant Steel Pipes

GI Pipe (Galvanized Iron Pipe) is manufactured by coating mild steel pipes with zinc to provide superior corrosion resistance and longer life. NOVSA supplies GI Pipes suitable for construction, scaffolding, plumbing, water supply, and structural applications.

Specifications for GI Pipe

Material: Galvanized Iron (GI) – Mild Steel Tube, Hot-Dip Galvanized as per IS: 1239 (Part 1), BS 1387 / equivalent standard.

Surface Finish: Hot-Dip Galvanized, Zinc Coating 40–60 microns.
Length: Standard 6 meters (custom length on request).
Ends: Plain / Threaded with Coupling.

Available Sizes

1. 32 mm (1¼”) Nominal Bore

  • Outer Diameter: ~42.4 mm
  • Thickness: 2.6 mm / 3.2 mm (Medium / Heavy Class)
  • Weight: ~3.36 – 3.95 kg/m

2. 40 mm (1½”) Nominal Bore

  • Outer Diameter: ~48.3 mm
  • Thickness: 2.9 mm / 3.2 mm
  • Weight: ~3.63 – 4.46 kg/m

3. 48 mm (2”) Nominal Bore

  • Outer Diameter: ~60.3 mm
  • Thickness: 3.2 mm / 3.6 mm
  • Weight: ~4.87 – 5.44 kg/m

4. 60 mm (2½”) Nominal Bore

  • Outer Diameter: ~76.1 mm
  • Thickness: 3.2 mm / 4.0 mm
  • Weight: ~6.64 – 8.04 kg/m

Standards for GI Pipe

1. IS: 1239 (Part 1) – 2004

  • Steel Tubes, Tubular, and Other Steel Fittings
  • Covers GI pipes for water, gas, and air purposes
  • Classifies pipes into Light, Medium, and Heavy classes based on wall thickness.

2. IS: 3589 – 2001

  • Steel Pipes for Water and Sewage
  • Covers larger diameter GI pipes used for water mains.

3. BS 1387 (British Standard)

  • Steel Tubes for Screwed and Socketed Pipes
  • Widely followed for scaffolding and structural GI pipes.

4. ASTM A53 / A120 (USA Standard)

  • Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

5. EN 10255 (European Standard)

  • Non-alloy steel tubes suitable for welding and threading.

Grades for GI Pipe

1. Indian Standard (IS 1239 – Part 1):

  • Uses Mild Steel (MS) as base material.
  • Common grades: Fe 330, Fe 410 (yield strength 235–240 MPa).

2. ASTM Standards:

  • ASTM A53 Grade A / B (commonly used for GI pipes).
  • Yield Strength: 240–310 MPa.

3. EN Standards (European):

  • EN 10255 – S195T (yield strength ≥ 195 MPa)..