How to Use a Puddle Flange in RCC Slab Construction – Step-by-Step Guide

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  A puddle flange is a simple yet essential fitting used in civil construction to prevent water leakage where pipes pass through concrete structures. In RCC (Reinforced Cement Concrete) slabs, these flanges act as a seal that stops water from migrating along the outer surface of a pipe. Whether you are working on water tanks, basements, lift pits, or underground pipelines, installing a puddle flange correctly ensures waterproofing and structural durability. This step-by-step guide from Udhhyog , a leading supplier of GI, MS, and SS puddle flanges in India, explains how to use a puddle flange during RCC slab construction. 🧰 Step-by-Step Guide ✅ Step 1: Choose the Right Puddle Flange Select a puddle flange based on the pipe size and material (MS, GI, or SS). GI puddle flanges are ideal for general drainage and water pipes. Use stainless steel for corrosive environments or coastal zones. At Udhhyog , we provide puddle flanges in custom sizes with...
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Galvanized Steel Pipe vs GI Pipe – What’s Better for Plumbing & Industry?

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 Compare galvanized steel pipe vs GI pipe for plumbing & Udhhyog (industrial) use. Learn differences, pros, cons, and best uses. 2025 price & supplier guide.

Introduction In the Udhhyog sector, choosing between Galvanized Steel Pipe and GI Pipe is critical for ensuring durability, corrosion resistance, and cost-effectiveness. Though often used interchangeably, they differ in manufacturing processes, coatings, and specific use cases. This guide breaks down the comparison for 2025 buyers and project managers.


GI Pipe is a type of galvanized pipe made from mild steel sheets, commonly used for water supply and plumbing. Galvanized Steel Pipe, often made from carbon steel, offers stronger performance in industrial setups due to thicker zinc coating and strength. Choose GI for budget plumbing and galvanized steel for heavy-duty Udhhyog use.




Key Differences at a Glance

FeatureGI PipeGalvanized Steel Pipe
Base MaterialMild SteelCarbon or Alloy Steel
Zinc Coating ProcessHot-dip or electroplatedUsually hot-dip galvanized
Corrosion ResistanceModerateHigh
CostLowerHigher
Common UsePlumbing, drainage, housingIndustrial pipelines, structural
Udhhyog Application PotentialMediumHigh

1. What is GI Pipe? GI (Galvanized Iron) Pipes are manufactured from MS (Mild Steel) sheets and coated with zinc. These pipes are commonly used in water supply systems, irrigation, and low-pressure plumbing applications.

  • Manufactured from low-carbon MS

  • Lightweight and easy to handle

  • Cost-effective for plumbing

  • Suitable for residential & light Udhhyog

2. What is Galvanized Steel Pipe? Galvanized steel pipes are made from high-grade carbon steel, offering better tensile strength and a thicker zinc coating. These pipes are ideal for heavy-duty industrial (Udhhyog) environments where pressure and corrosion are concerns.

  • High corrosion resistance

  • More durable than GI pipes

  • Preferred in oil, gas, and chemical plants

3. Durability & Corrosion Resistance

  • GI Pipe: 5–8 years in coastal/humid areas

  • Galvanized Steel Pipe: 10–15 years or more

4. Price Comparison (India 2025)

Pipe TypeSize (Inches)Price/Metre (INR)Supplier Zone
GI Pipe1"₹90–₹120Delhi, Kanpur, Rajkot
Galvanized Steel Pipe1"₹130–₹180Mumbai, Chennai, Faridabad

Note: Prices vary by thickness, brand, and zinc coating weight. Bulk buyers in Udhhyog sectors get better rates.

5. When to Choose What?

  • Choose GI Pipe:

    • For household water plumbing

    • In low-budget municipal water works

    • Where light load handling is required

  • Choose Galvanized Steel Pipe:

    • In Udhhyog and high-pressure environments

    • For chemical transportation

    • For longer service life requirements

Top Manufacturers & Dealers in India

  1. Tata Pipes

  2. Jindal (India) Ltd.

  3. Surya Roshni Ltd.

  4. Apl Apollo Tubes Ltd.

  5. Nezone Group

Verified Dealers (2025)

Dealer NameLocationProduct Focus
SteelMart Pvt LtdDelhiGI & Galvanized Pipes
Universal Tube Co.MumbaiGalvanized Steel Pipes
Eastern Pipes UdyogKolkataUdhhyog Pipes & Tubes

Backlink Strategy

  • Submit listings to TradeIndia, Justdial, IndiaMART

  • Write guest blogs on industry blogs (e.g., ConstructionWorld, UdyogMart)

  • Share updates on LinkedIn, GMB, and YouTube Shorts about GI vs Galvanized pipe comparisons

Google My Business (GMB) Optimization

  • Add "GI Pipe Dealer" or "Galvanized Pipe Supplier" as primary categories

  • Post pricing charts weekly

  • Use keywords like "Udhhyog pipe dealer near me"

  • Ask customers for reviews with keywords

FAQ - GI vs Galvanized Pipe

Q1. Are GI and Galvanized Steel pipes the same? No. GI pipe is a type of galvanized pipe made from mild steel. Galvanized steel pipe is stronger and made from higher-grade steel, ideal for Udhhyog use.

Q2. Which lasts longer: GI or galvanized pipe? Galvanized steel pipes typically last longer due to thicker zinc coatings and better tensile strength.

Q3. Which pipe is cheaper in 2025? GI pipe is more affordable, ideal for low-cost plumbing and rural installations.

Q4. Where can I buy verified galvanized pipe? Buy from verified Udhhyog suppliers like Jindal, Tata Pipes, or dealers listed on TradeIndia, Justdial.

Q5. Can I use galvanized pipes for drinking water? Yes, if certified and tested, but modern PPR or CPVC options are often preferred.

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