Galvanized pipe and Tube

GI Pipe

GI pipes are manufactured conforming to IS-1239 (pt-I) 1990. Generally screwed & Socketed pipes are used. GI pipes (IS No: 1239; Part 1- 1990) are made from hot rolled coils of specified thickness. The pipes are fully galvanized. They are available in 8 mm dia. to 100 mm dia. Galvanized steel pipes are covered by a layer of zinc. Galvanized steel pipes and tubes are mostly used in structural applications. They are commonly used for plumbing and are equally good for high pressure supply lines. GI pipes are available in three grades depending on the thickness of the sheet used in the pipe. The three grades are as under.

  • 1. Light- Class A: The pipe is marked in yellow color for identification.
  • 2. Medium- Class B: The pipe is marked in blue color for identification.
  • 3. Heavy – Class C: The pipe is marked in red color for identification.


  • Long-term performance, even in adverse climatic conditions
  • Available in various sizes and shapes to suit diverse end-use
  • Great functional reliability in both moist and dry environments
  • High weld consistency & integrity
  • Quality finish with anti-corrosive coating
  • Excellent bend ability
  • Easy cutting & threading


  • Structural applications
  • Irrigation & water supply
  • Plumbing
  • Scaffolding
  • Antenna & telecom towers
  • Cold storage applications
  • General engineering, etc.


Process Seamless / ERW / EFW
Shape Round
Size Range 1/2″ to 36″ NB
Thickness Upto 40mm
Pipe End Plain / Beveled End
End Protection Plastic Cap
Coating Black / Galvanised / 3LPE / Anti – Corrosion Oil / Black Japan
Length 1 Mtr to 14 Mtr
Make Indian / Japan / German / USA
Certification EN:10204:3.1-3.2 / IBR / NACE / TPI
Heat Treatment Spheroidizing / Full annealing / Process annealing / Isothermal annealing / Normalizing / Quenching / Martempering (Marquenching) / Quench and tempering / Austempering
Application Oil & Gas / Hydro Carbon Process / Automotive / Boiler, Heat Exchanger / Plumbing, HVAC & Firefighting / Structural / General Engineering / Railways / Sewage & Waterwell
Delivery Within 1 week

Dinesh Metal Industries are the leading Stockiest and Supplier of GI Pipe in Mumbai (India) from size range 1/2″ to 36″NB with nominal wall thickness as given in ANSI B36.10(Schedule 40, 80, 120, 160 and XXS). We are Authorized Dealers and Stockiest of Indian Manufacturer – ISMT, JSL and Jindal India Limited and Supplier of MSL. We also Supply High Pressure, High Temperature, Low Pressure, Low Temperature, Chrome Moly Pipe and Tubes too many well know Industries. We have continuous stock of 5000 Ton of Carbon Steel, Alloy Steel, and Boiler Tube, Line Pipe, Drill Pipe (Drill Rods) manufactured at PQF Mill. We Stock Pipe of process Seamless as well as welded (ERW/EFW). All Material is provided with MTC (EN: 10204:3.1) or NABL Approved LAB reflecting – Yield Strength, Tensile, Hardness, HIC, Sour Service, NACE, MR 0175, MR 0103 and Hydro Pressure of Pipe. Material Temperature and Pressure Rating, Material Specification, Pipe Weight, Material Density, DATA Sheet, Equivalent Grade and Price List can be provided on request.

Major Stock – A 106 Grade B / A 333 Grade 6 / API 5L Grade B / IS 1239 / IS 3589 / A 335 P11 to P91.

For quick quotation of GI Pipe, drop your inquiry at Email or Call

Related Keywords

IS 1239 GI Pipe Galvanized Seamless Pipe
Galvanised ERW Pipe GI Tube
GI pipe Dealer Galvanise Pipe Stockiest
Jindal GI Pipe MSL GI Pipe



A comprehensive guide for quick glance on Chemical and Mechanical Properties of most sought grades and products available with Dinesh Metal Industries.

Chemical Properties

Mechanical Properties