Galvanized Iron Pipe (G.I). Dealer & Supplier

Best Butt Weld Fittings Manufacturer in India since 1971.

Table of Contents

Teshi Group : Leading Manufacturer, Stockist, Supplier, and Exporter of Galvanized Iron Pipe in India.

Teshi Group is a leading manufacturer, stockist, supplier, and exporter of Galvanized Iron (G.I.) Pipes in India, offering high-quality solutions for a variety of applications. Known for their superior corrosion resistance, durability, and strength, Teshi Group’s G.I. Pipes are widely used in construction, water supply systems, plumbing, and electrical conduit installations. These pipes are manufactured through a hot-dip galvanizing process, where a protective layer of zinc is applied to the surface, ensuring excellent resistance to rust and oxidation. Teshi Group’s G.I. Pipes come in various sizes and thicknesses, tailored to meet the specific requirements of both residential and industrial projects. The pipes are designed to withstand harsh weather conditions and high-pressure environments, making them a reliable choice for outdoor and underground installations. Adhering to stringent quality control processes and industry standards, Teshi Group ensures that every G.I. Pipe provides exceptional performance, longevity, and safety. With a robust supply chain and a global distribution network, Teshi Group serves both domestic and international markets, offering timely delivery and customer satisfaction. Whether for plumbing, irrigation, or infrastructure projects, Teshi Group’s Galvanized Iron Pipes are the trusted solution for reliable and long-lasting piping systems.

About Galvanized Iron Pipe :-

Galvanized Iron (G.I.) pipes are a type of steel pipe coated with a layer of zinc to protect it from corrosion and rust. The galvanization process involves coating the iron with a thin layer of zinc through either hot-dipping or electroplating. This protective zinc layer creates a barrier that shields the iron from moisture, preventing it from rusting or deteriorating over time, which is particularly important for pipes exposed to the elements. G.I. pipes have been widely used in plumbing, water supply, and drainage systems, particularly in construction projects where long-lasting and cost-effective materials are required.

The primary advantage of galvanized iron pipes is their resistance to corrosion, which extends their service life and reduces the maintenance needs compared to non-coated iron or steel pipes. However, over time, the zinc coating can wear off or corrode, especially if the pipes are exposed to harsh environments or the water they carry is acidic or has high mineral content. This can lead to reduced water flow, leakage, and the potential for rust formation on the inside of the pipes. Despite these challenges, galvanized pipes have been commonly used for decades, especially in older homes and buildings, where they were favored for their strength and ability to handle high water pressure.

G.I. pipes are available in various sizes and thicknesses, and their applications include both domestic water systems and industrial uses, where they can carry liquids or gases. Although galvanized iron pipes have largely been replaced by more modern materials like copper, PVC, and PEX in plumbing systems due to concerns over long-term corrosion and the advent of newer, more durable alternatives, they are still a popular choice for certain outdoor applications, including fencing, scaffolding, and drainage systems. They remain a reliable and economical option in many contexts, particularly for applications where the cost of materials is a significant factor.

Teshi Group is an ISO certified Galvanized Iron Pipe manufacturer & distributor in India

Standard Specification of Galvanized Iron Pipe

Standard Specifications
Schedule
SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
Standard
ASME/ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799
Size
1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm
Type
Seamless/ erw/ welded/semi welded in round, square, rectangular, coil form, u shape and hydraulic. Pipes

Material & Grades of Galvanized Iron Pipe

Material & Grades
Stainless Steel
ASTM / ASME 201, 202, 301, 304, 304L, 310, 310S, 316L, 316TI, 317, 317L, 321, 347, 409, 409M, 409L, 410, 410S, 420, 430, 431, 441, 444, 446, 17.4PH, 904L
Duplex & Super Duplex Steel
ASTM / ASME SA 790 UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760. S32750
Carbon Steel
ASTM / ASME A 335 GRP 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91
Alloy Steel
ASTM / ASME A 691 GRP1 CR , 1 1/4 CR , 2 1/4 CR , 5 CR , 9CR , 91.
Nickel Alloy
Nickel Alloys 200, Nickel Alloys 201

Application Of Galvanized Iron Pipe

Sl
Application
1
Great use for a cast iron pipe is for garbage disposal because it is highly resistant to the grinding and abrasions.
2
Used for transporting water, storm drains and sewage.
3
Cast Iron Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications.
4
Several types of agricultural implements can be made.
5
Machinery parts can be manufactured but shock cannot be resisted by cast iron.
6
Metal columns and column bases can be made using cast iron.
7
Casting molds for making metal staircases, lamp posts, gates, etc. are made using cast iron.

Teshi Group Is A Leading Suppliers Of Galvanized Iron Pipe

We supply Galvanized Iron Pipe to Agra, Ahmedabad, Ajmer, Aligarh, Allahabad, Ambattur, Amravati, Amritsar, Asansol, Aurangabad, Bangalore, Bareilly, Belgaum, Bhavnagar, Bhilai Nagar, Bhiwandi, Bhopal, Bhubaneswar, Bikaner, Chandigarh, Chennai, Coimbatore, Cuttack, Dehradun, Delhi, Dhanbad, Durgapur, Faridabad, Firozabad, Gaya, Ghaziabad, Gorakhpur, Gulbarga, Guntur, Gurgaon, Guwahati, Gwalior, Haora, Hubli and Dharwad, Hyderabad, Indore, Jabalpur, Jaipur, Jalandhar, Jalgaon, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Kalyan & Dombivali, Kanpur, Karnataka, Kochi, Kolapur, Kolkata, Kota,  Loni, Lucknow,  Ludhiana, Madurai, Maheshtala, Malegoan, Mangalore, Meerut, Mira, Bhayander, Moradabad, Mumbai, Nagpur,Nanded Waghala, Nashik, Navi Mumbai, Nellore, Noida, Patna, Pimpri & Chinchwad, Pune, Raipur, Rajkot, Ranchi, Saharanpur, Salem, Sangli Miraj Kupwad, Siliguri, Solapur, Srinagar, Surat, Thane, Thiruvananthapuram, Tiruchirappalli, Tirunelveli, Udaipur, Ujjain, Ulhasnagar, Vadodara, Varanasi, Vasai Virar, Vijayawada, Visakhapatnam, Warangal.

Galvanized Iron Pipe Exporter To All Major Cities In The World

We export Galvanized Iron Pipe to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.

Teshi exports Galvanized Iron Pipe in more than 50 countries. We have shipments going out monthly to different countries for our newly acquired customers. Our ready stock of Flanges helps us ship the Flange and meet the requirement and demands of our customers as fast as possible.

We Export Galvanized Iron Pipe (G.I) to United States (USA), Canada, Germany, Japan, France, Middle-East, Bangladesh, Nepal etc.

Product
Export

Frequently Asked Questions

Most frequent questions and answers

What are Galvanized Iron Pipes (G.I.)?

Galvanized Iron pipes are steel pipes coated with a layer of zinc to prevent corrosion and rust. The process of galvanization involves dipping the iron or steel pipe into molten zinc, creating a protective barrier that makes the pipes more durable in outdoor and moisture-rich environments. These pipes are commonly used in water supply systems, plumbing, and other construction applications, especially before the development of modern materials like PVC and copper.

Why are Galvanized Iron Pipes used?

Galvanized Iron pipes are used primarily for water distribution, sewage systems, and structural applications due to their resistance to rust and corrosion. The zinc coating provides an extra layer of protection, extending the lifespan of the pipes in outdoor environments or where exposure to moisture is high. Additionally, they are a cost-effective alternative to other materials like copper or stainless steel, which makes them popular in residential and commercial plumbing systems.

How long do Galvanized Iron Pipes last?

The lifespan of Galvanized Iron pipes can vary depending on the quality of the galvanization and environmental conditions. On average, these pipes can last 40 to 50 years. However, over time, the zinc coating begins to degrade, particularly in areas with hard water or exposure to moisture, leading to rust and corrosion. After many years of use, G.I. pipes may become clogged, weakened, and prone to leaks.

What are the disadvantages of Galvanized Iron Pipes?

While G.I. pipes are durable and resistant to corrosion, they have some significant drawbacks. Over time, the zinc coating wears away, especially when exposed to hard water or moisture, leading to the formation of rust inside the pipes. This can result in reduced water flow, water discoloration, and an increased risk of leaks. Galvanized pipes are also heavier and more challenging to install compared to modern alternatives like PVC or PEX. Furthermore, they are prone to damage from freezing temperatures, which can lead to burst pipes.

Can Galvanized Iron Pipes be used for drinking water?

While G.I. pipes were commonly used for drinking water systems in the past, they are no longer recommended for this purpose in most modern plumbing systems. Over time, corrosion and rust can occur inside the pipes, potentially leading to the contamination of water with lead, zinc, and other harmful substances. This is particularly concerning in older homes with outdated plumbing systems. Today, materials like copper, PEX, and CPVC are preferred for potable water due to their non-corrosive nature.

How do you maintain Galvanized Iron Pipes?

Maintaining Galvanized Iron pipes involves regular inspection and care to prevent corrosion and extend their lifespan. Checking for leaks, cracks, or signs of rust is crucial. If rusting begins to affect the pipe, it may be necessary to replace the affected sections. Regular cleaning or descaling of the pipes can also help maintain water flow. In areas with hard water, the use of water softeners can reduce the build-up of minerals inside the pipes, slowing down the corrosion process.

Are Galvanized Iron Pipes still in use today?

While Galvanized Iron pipes were commonly used in plumbing and construction until the 1970s and 1980s, their usage has declined due to the development of more durable and corrosion-resistant materials. PVC, PEX, and CPVC pipes are now more commonly used for both water supply and drainage systems. However, G.I. pipes are still found in many older buildings and infrastructure, and they may need to be replaced or upgraded to more modern materials.

What should be done if a Galvanized Iron Pipe leaks?

If a G.I. pipe leaks, the first step is to turn off the water supply to prevent flooding and further damage. Depending on the severity of the leak, it may be necessary to replace the affected section of the pipe. For minor leaks, a temporary fix can be applied using pipe repair tape or epoxy, but this is not a long-term solution. It is recommended to consult with a plumber to assess the situation and determine whether the pipe needs to be replaced or repaired. If the pipes are old and heavily corroded, it is often more cost-effective to replace them entirely.

How are Galvanized Iron Pipes connected?

Galvanized Iron pipes are typically connected using threaded fittings. The threads on the ends of the pipes are screwed into corresponding threaded fittings, creating a secure connection. In some cases, flanged or welded connections may be used, particularly for larger diameter pipes or more industrial applications. It’s important to use a sealant or pipe joint compound during installation to prevent leaks at the joints. Over time, however, these connections can weaken due to corrosion, making it necessary to inspect and replace any worn-out or leaking fittings.

Can Galvanized Iron Pipes be recycled?

Yes, Galvanized Iron pipes can be recycled. The zinc coating on the pipes can be recovered during the recycling process, and the steel material itself can be reused in various applications. Recycling is a sustainable option that reduces waste and lowers the environmental impact of manufacturing new materials. However, it’s important to ensure that the recycling process follows industry standards to avoid contamination from lead or other harmful materials that may be present in older pipes.

How do Galvanized Iron Pipes compare to other types of pipes?

When compared to other types of pipes, such as PVC, copper, or stainless steel, Galvanized Iron pipes offer both advantages and disadvantages. They are durable and relatively inexpensive, especially when compared to copper. However, over time, G.I. pipes can corrode and rust, leading to issues with water quality and flow, whereas materials like PVC and PEX are more resistant to corrosion. G.I. pipes are heavier and harder to install than PVC or PEX, and they are more prone to freezing and bursting in cold conditions. For these reasons, G.I. pipes are often being replaced in newer plumbing systems with more modern alternatives.

What is the difference between Galvanized Iron Pipes and Black Steel Pipes?

The key difference between Galvanized Iron pipes and Black Steel pipes is the coating. Galvanized Iron pipes are coated with a layer of zinc to prevent corrosion and rust, making them ideal for outdoor and moisture-exposed environments. Black Steel pipes, on the other hand, have no protective coating and are generally used in applications where corrosion is less of a concern, such as gas lines or certain industrial applications. Black Steel pipes are more prone to rusting when exposed to moisture, whereas Galvanized Iron pipes provide an extra layer of protection due to their zinc coating.

What are the common uses for Galvanized Iron Pipes?

Galvanized Iron pipes are commonly used in water supply and drainage systems, particularly for cold water lines in residential, commercial, and industrial buildings. They are also used in outdoor applications such as irrigation systems, fences, and structural applications in construction. In addition to plumbing, G.I. pipes are used in fire sprinkler systems, heating systems, and as conduit for electrical wiring. However, as materials like PVC and PEX become more common, the use of G.I. pipes for water supply systems has decreased.

Are there different grades or thicknesses of Galvanized Iron Pipes?

Yes, there are different grades and thicknesses of Galvanized Iron pipes available. The thickness of the pipe wall is typically classified as schedule numbers (Schedule 40, Schedule 80, etc.), with higher numbers indicating thicker walls. Galvanized Iron pipes can also be categorized by their strength and intended use, with some being suitable for low-pressure systems and others for high-pressure applications. The quality of the zinc coating, which is measured by weight per unit area, can also vary. Higher-quality coatings provide better protection against corrosion and extend the lifespan of the pipes.

Can Galvanized Iron Pipes be used for gas lines?

Although Galvanized Iron pipes were once commonly used for gas lines, they are not recommended for this application today. Over time, the galvanized coating can degrade, causing the pipe to corrode internally. This corrosion can potentially lead to leaks, compromising the safety of the gas system. As a result, black steel pipes are generally preferred for gas lines because they are designed to be more resistant to corrosion and are safer for this use.

What should you do if your Galvanized Iron Pipe bursts or leaks?

If a Galvanized Iron pipe bursts or leaks, the first action should be to shut off the water supply to prevent further damage. A temporary solution, such as using a pipe clamp or epoxy putty, may help contain the leak until a permanent repair can be made. In cases of significant damage or widespread corrosion, the affected sections of pipe should be replaced. It is advisable to have a professional plumber inspect the system to determine whether the entire G.I. plumbing should be replaced with more modern materials like PEX or PVC.

Can Galvanized Iron Pipes be used for hot water systems?

Galvanized Iron pipes are not ideal for hot water systems, especially in modern plumbing. When exposed to high temperatures, the zinc coating on G.I. pipes can degrade faster, which increases the risk of rusting and corrosion. Additionally, G.I. pipes are more likely to develop scale buildup in hot water systems, which can reduce water flow and lead to clogs. For hot water systems, materials like copper or PEX are generally preferred due to their better resistance to heat and corrosion.

Are there health risks associated with using Galvanized Iron Pipes in plumbing?

Galvanized Iron pipes may present health risks, especially if they are old and have started to corrode. The corrosion can cause lead to leach into the water supply, particularly in pipes that were installed before the 1980s. Lead is harmful, especially for children and pregnant women. Over time, the zinc coating also breaks down, potentially affecting water quality and taste. Modern plumbing systems are now designed to avoid the risks associated with G.I. pipes, using safer materials like PVC, copper, and PEX instead.

What should you do if your Galvanized Iron Pipe bursts or leaks?

If a Galvanized Iron pipe bursts or leaks, the first action should be to shut off the water supply to prevent further damage. A temporary solution, such as using a pipe clamp or epoxy putty, may help contain the leak until a permanent repair can be made. In cases of significant damage or widespread corrosion, the affected sections of pipe should be replaced. It is advisable to have a professional plumber inspect the system to determine whether the entire G.I. plumbing should be replaced with more modern materials like PEX or PVC.

Can Galvanized Iron Pipes be used for hot water systems?

Galvanized Iron pipes are not ideal for hot water systems, especially in modern plumbing. When exposed to high temperatures, the zinc coating on G.I. pipes can degrade faster, which increases the risk of rusting and corrosion. Additionally, G.I. pipes are more likely to develop scale buildup in hot water systems, which can reduce water flow and lead to clogs. For hot water systems, materials like copper or PEX are generally preferred due to their better resistance to heat and corrosion.

More Products From Us

Teshi is a one stop solution for all engineering needs. With an experience of over 50 years we tend to provide best in class service, with unmatchable quality.

Reach Us

Ⓒ 2021 TESHI GROUPS. All rights reserved.
Designed By www.studioteshi.in
LOGO

TESHI GROUP OF COMPANY

sales@teshigroup.com

Enquiry Form