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GI Pipe Supplier

GI Pipe Supplier in India – Kolkata Poles Corporation

When it comes to infrastructure, agriculture, and industrial projects, the demand for high-quality galvanized iron (GI) pipes is ever-growing. As a leading GI Pipe Supplier in India, Kolkata Poles Corporation has built a strong reputation for delivering durable, cost-effective, and versatile GI pipes across regions such as Eastern India, North East India, South India, and Uttar Pradesh.

Whether it’s for water distribution, scaffolding, industrial piping, or fencing, we ensure unmatched quality and reliability in every supply.

Who We Are – Kolkata Poles Corporation

Kolkata Poles Corporation is a trusted supplier and distributor of GI pipes and structural steel products. With years of expertise, we provide products that meet ISI and BIS standards, ensuring strength, corrosion resistance, and long service life. Our clientele includes contractors, builders, municipal corporations, agricultural projects, and industrial plants.

Our mission is to deliver high-performance GI pipes that meet the diverse needs of both urban and rural projects across India.

What is a GI Pipe?

GI pipes, or galvanized iron pipes, are steel pipes coated with a protective layer of zinc. This zinc coating prevents corrosion, making GI pipes suitable for water supply, structural applications, electrical conduit, and outdoor installations.

They are widely used in:

  1. Water distribution networks

  2. Scaffolding and support structures

  3. Electrical and telecommunication installations

  4. Fencing and irrigation systems

  5. Industrial piping systems

We Provide Our Customers with the Following Products

ProductsRange in ODOD : Outer diameterWT: Wall thickness
G.I PIPES(OD)  ½” NB to 6 NB(WT)  Light ,Medium, Heavy(A,B,C Class)
SEAMLESS BOILER TUBE(OD)  19.05 mm to 101.6 mm(WT)  2.05 mm to 12.7 mm 
SUBMERGED ARC WELDED (HSAW / LSAW )(OD)  24” to 100”( WT) 5 mm to 40mm 
CARBON STEEL SEAMLESS PIPE(OD)  10 mm to 610 mm(WT) 0.5 mm to 50 mm(Sch 20 To XXS)
ERW BOILER TUBE(OD)  19.05 mm to 101.6 mm(WT) 2 mm to 5 mm(Air Pre heater tube)
LOW  TEMPERATURE  PIPES(OD)  ½” NB to 14 NB(WT)  All Schedule From(Sch 20 To XXS)
ALLOY STEEL  PIPES(OD)  ½” NB to 14 NB(WT)  All Schedule From(Sch 20 To XXS)
ERW PIPES(OD)  ½” NB to 6 NB(WT) Light ,Medium, Heavy(A,B,C Class)
 (OD)  168.3 mm to 20”(WT)   4 mm to 12.7 mm 

 

DIMENSION OF UPVC PIPES (In Mm) IS: 4985/2000
WALL THICKNESS

SIZETOLERNACECLASS-ICLASS-IICLASS-INCLASS-IVCLASS-VCLASS-VI
OUT SIDEON OUT SIDE2.5 Kg/cm24 Kg/cm26 Kg/cm28 Kgf/cm210Kgf/cm212.5kgf/cm2
DIAMETERDIAMETERMin.           Max.Min.          Max.Min.         Max.Min.           Max.Min.        Max.Min.Max.
50+0.3– 1.7          2.12.3            2.82.8           3.33.44.0
63+0.3–1.5            1.92.2          2.72.8            3.33.5           4.14.35.0
75+0.3–1.8            2.22.6          3.13.4            4.04.2           4.95.15.9
90+0.31.3           1.72.1            2.63.1          3.74.0            4.65.0           5.76.17.1
110+0.41.6           2.02.5            3.03.7          4.34.9            5.66.1            7.17.58.7
125+0.41.8           2.22.9            3.44.3          5.05.6            6.46.9           8.08.59.8
140+0.52.0           2.43.2            3.84.8          5.56.3            7.37.7           8.99.511.0
160+0.52.3           2.83.7            4.35.4          6.27.2            8.38.8           10.210.912.6
180+0.62.6           3.14.2            4.96.1          7.18.0            9.29.9           11.412.214.1
200+0.62.9           3.44.6            5.36.8          7.98.9           10.311.0          12.713.615.7
225+0.73.3           3.95.2            6.07.6          8.810.0           11.512.4          14.315.317.6
250+0.83.6           4.25.7            6.58.5          9.811.2           12.913.8          15.917.019.6
280+0.94.1            4.86.4            7.49.5         11.012.5           14.415.4          17.819.021.9
315+1.04.6           5.37.2            8.310.7        12.414.0           16.117.3          19.921.424.7
          

DIMENSION OF CASING PIPES (In Mm) IS: 12818/92

NOMINALOUTSIDE DIAMETERWALLTHICKENESS CM CASING PIPEWALL THICKNESS CS CASING PIPE
DIAMETERMIN.            MAX.MIN.             MAX.MIN.               MAX.
4048.048.23.54.0– 
5060.060.24.04.6– 
8088.088.34.04.6– 
100113.0113.35.05.7– 
125140.0140.46.57.3– 
150165.0165.47.58.55.76.5
175200.0200.58.89.87.07.8
200225.0225.510.011.27.68.8
250280.0280.512.514.09.611.0

DIMENSION OF RIBBED SCREEN (In Mm) IS:12818/92

NOMINAL DIAMETEROUTSIDE DIAMETEROUTER DIAMETER OVER CONNECTIONWALL THICKNESS (under RIBS)
   MIN.MAX.
4052.056.03.54.0
5064.069.04.04.6
8092.098.04.04.6
100117.0124.05.05.7
125144.0154.06.57.3
150164.0182.07.58.5
175204.0219.08.89.8
200229.0247.010.011.0

DIMENSIONS OF PVC THREADED PIPE MADE TO ASTM-D-1785 &
THREADED TO MATCH G. I. PIPES AS PER IS : 1239 (Part-I)

  SCHEDULE 40SCHEDULE 80
NOMINAL PIPEOUTSIDEWALL               PRESSUREWALLPRESSURE
SIZE INDIAMETERTHICKNESS             RATINGTHICKNESSRATING
INCHESIN MMIN MM                  BARIN MMBAR
15 mm (%”)21.22.8                  20.53.729
20mm (V)26.62.9                   16.53.923
25mm (1″)33.33.4                  15.64.522
32mm (11/4″)42.03.6                  12.54.918
40mm (1V2″)48.13.7                  11.55.116
50mm  (2″)60.23.9                   10.55.515
65mm (272″)72.85.2                   9.57.014
80mm  (3″)88.75.5                   9.07.613
100mm  (4″)114.16.0                   7.58.611
125mm (5″)141.06.0                   6.59.510
150mm  (6″)168.07.1                    6.011.09.7
200mm  (8″)218.78.2                   5.512.78.3
250mm  (10″)272.79.3                   4.915.18.3
  • Highly economical vis a vis metal and all other conventional pipes.
  • Light weight facilitates very easy handling and installation.
  • Virtually immune to all sorts of corrosion, most ideal for saline and other corrosive condition.
  • Smooth inner surface causes high flow rate of liquid – much less load on pump-enormous saving of power.
  • Non-toxic, odorless and Hygienic – Ideal for potable waterlines.
  • Excellent elastic property ensures resistance to soil movement.
  • Fire resistant-Self Extinguishing.
  • Very easy jointing methods.
  • Long service life/durability.

APPLICATION

  • Rural & Urban water supply projects.
  • Sewage / effluent disposal and Rain water drainage.
  • Water distribution lines in domestic segment / housing projects
  • Sugar / Chemical / other process industries
  • Telecommunication / Cable ducting
  • Irrigation purpose in Tea gardens.

Why Choose Kolkata Poles Corporation as Your GI Pipe Supplier?

✅ High-Quality Materials

We source our GI pipes from reputed manufacturers and mills that follow ISI and BIS standards. All pipes undergo galvanization to ensure longevity and resistance against rust, especially in high-moisture environments.

📐 Wide Range of Sizes & Specifications

We supply GI pipes in various diameters (½ inch to 6 inches and above), thicknesses, and lengths to suit multiple applications. Whether you need light, medium, or heavy-class GI pipes, we’ve got it all in stock.

🏗️ Bulk Supply Capability

As a trusted GI Pipe Supplier, we can cater to large-scale infrastructure and government projects. Our warehouse is equipped to handle bulk orders with efficient stock management and logistics.

Our Service Locations

We proudly supply GI pipes across a vast network, including:

  1. Eastern India – West Bengal (Kolkata, Howrah, Siliguri, Asansol, Durgapur), Bihar (Patna, Gaya, Bhagalpur, Muzaffarpur), Odisha (Bhubaneswar, Cuttack, Rourkela, Puri), Jharkhand (Ranchi, Jamshedpur, Dhanbad), Chhattisgarh (Raipur, Bilaspur, Durg).

  2. North East India – Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Tripura, Sikkim. These regions benefit from corrosion-resistant GI pipes ideal for rural water supply and structural projects.

  3. South India – Andhra Pradesh, Telangana, Karnataka, Tamil Nadu, Kerala. Widely used in construction, irrigation, and industrial facilities across southern states.

  4. Uttar Pradesh (U.P.) – Agra, Aligarh, Allahabad, Faizabad, Gorakhpur, Jhansi, Kanpur, Lucknow, Meerut, Mirzapur. Our GI pipes are supplied for municipal water lines, real estate projects, and infrastructure works across these major cities.

Applications of GI Pipes We Supply

🚰 Plumbing and Water Supply

Our GI pipes are extensively used in domestic and municipal water distribution systems due to their corrosion resistance and structural integrity.

⚡ Electrical Conduits

We offer GI conduit pipes suitable for protecting electrical wiring in buildings and outdoor environments.

🏭 Industrial Piping

Industrial clients use our pipes for transporting non-corrosive liquids, compressed air, and structural support across machinery layouts.

🧱 Fencing and Scaffolding

GI pipes are used to construct temporary fencing, guard rails, and scaffoldings in construction sites and agricultural areas.

Features of Our GI Pipes

  1. Zinc-coated for extended life

  2. Leakproof threading and socket options available

  3. ISI-certified and compliant with national standards

  4. Available in light, medium, and heavy categories

  5. Weather and rust-resistant finish

Industries We Serve

We supply GI pipes to a wide range of industries including:

  1. Construction and infrastructure

  2. Agriculture and irrigation

  3. Electrical and utility services

  4. Public works departments

  5. Real estate and commercial complexes

Our commitment to timely delivery and product integrity makes us a go-to supplier across sectors.

Partner with a Trusted GI Pipe Supplier – Kolkata Poles Corporation

If you are looking for a reliable and experienced GI Pipe Supplier in India, Kolkata Poles Corporation is your go-to partner. With our wide distribution network, premium quality, and customer-first approach, we ensure timely supplies for every project.

📞 Contact us today to get competitive rates, expert guidance, and fast dispatch for your GI pipe needs.

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