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. π§° 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: Key Differences & Uses Explained
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Galvanized Steel Pipe vs GI Pipe (2025) – Key Differences, Uses, and Industrial Insights Meta Description: Discover the difference between Galvanized Steel Pipe and GI Pipe. Compare price, durability, and applications for construction, plumbing & Udhhyog use. Updated for 2025.
Introduction Galvanized Steel Pipe and GI Pipe are both zinc-coated to resist corrosion, but they differ in manufacturing methods and applications. This guide explores their properties, types, prices, and real-world Udhhyog (industry) use cases to help buyers choose the right pipe.
What is a GI Pipe?
GI stands for Galvanized Iron.
Manufactured using mild steel sheets.
Zinc coating applied via hot-dip galvanization.
Used extensively in plumbing, irrigation, and water supply.
What is a Galvanized Steel Pipe?
Made from carbon steel or mild steel.
Zinc coating often applied via electro-galvanization or hot-dip.
Common in high-pressure, structural, and fire safety systems.
Key Differences Between GI Pipe and Galvanized Steel Pipe
Feature
GI Pipe
Galvanized Steel Pipe
Base Material
Mild Steel
Carbon/Mild Steel
Coating Type
Hot-dip Zinc
Electro or Hot-dip Zinc
Strength
Moderate
Higher
Cost
Economical
Slightly expensive
Application
Water supply, plumbing
Structural, fire protection
Lifespan
10–15 years
15–25 years
Uses in Udhhyog (Industry)
GI Pipe:
Plumbing lines in residential & commercial Udhhyogs
Agricultural irrigation systems
Indoor water supply and drainage
Galvanized Steel Pipe:
Heavy-duty construction (frames, scaffolding)
Firefighting piping systems
Oil & gas transmission
Types of GI & Galvanized Pipes
Light Class (L)
Medium Class (M)
Heavy Class (H)
Seamless & ERW Types
GI Pipe & Galvanized Pipe Price List (2025)
Size (mm)
GI Pipe Price (INR/m)
Galvanized Steel Pipe Price (INR/m)
15
₹75–₹90
₹95–₹110
25
₹120–₹140
₹150–₹175
50
₹210–₹240
₹260–₹300
100
₹410–₹470
₹500–₹580
Top Manufacturers & Suppliers in India
Tata Pipes
Jindal (India) Limited
Surya Roshni
Swastik Pipes
APL Apollo
Zenith Birla
Buying Guide for Udhhyog Applications
Check coating thickness (above 100 microns for high corrosion areas)
Verify IS standards: IS 1239 for GI, ASTM A53/A106 for galvanized steel
Choose ERW or Seamless based on pressure requirements
Compare suppliers based on availability, warranty, and logistics
Add product listings with keyword: "GI Pipe Supplier Near Me"
Use Udhhyog-specific photos, categories & location tags
Collect reviews from industrial buyers
FAQs Q1. Are GI pipes and galvanized steel pipes the same? A1. No. GI pipes use mild steel while galvanized steel pipes may use carbon steel and are generally stronger.
Q2. Which is more durable for industrial use? A2. Galvanized steel pipes have a longer lifespan and handle higher pressure, making them ideal for Udhhyog applications.
Q3. What is the price difference between GI and galvanized pipes? A3. GI pipes are usually 15–20% cheaper than galvanized steel pipes.
Q4. Can I use GI pipe for structural applications? A4. It's not recommended. Galvanized steel is more suitable for high-load and structural Udhhyog purposes.
Q5. What’s the best source to find dealers near me? A5. Use platforms like Justdial, IndiaMART, and GMB to locate verified local suppliers.
Introduction GI pipes (Galvanized Iron pipes) are a core component in plumbing, structural, and industrial systems across India. Their zinc coating provides excellent corrosion resistance, making them ideal for water supply lines, irrigation, borewells, fencing, and fabrication. But to ensure proper installation and compatibility, it's crucial to understand the standard GI pipe size chart in mm and inches , as defined by ISI standards (IS:1239 Part 1 and Part 2). This guide provides a comprehensive GI pipe size chart with nominal bore (NB), outside diameter (OD), wall thickness , and equivalent inch-mm conversions , helping buyers, engineers, and plumbers make informed choices. π What is a GI Pipe? A GI pipe is a mild steel pipe that has been galvanized with a layer of zinc. The galvanization process helps prevent rust, thereby extending the pipe's lifespan. These pipes are widely used in: π§ Water supply and plumbing π Agricultural irrigation π️ Structura...
Introduction MS Pipes (Mild Steel Pipes) are widely used in construction, fabrication, plumbing, and infrastructure sectors across India. As raw material prices and transportation costs fluctuate, it's crucial to stay updated with the latest MS pipe price in India for 2025 to make informed purchasing decisions. This guide covers: Latest rate chart of MS pipes (ERW, round, square, seamless) Price factors Buying tips for industries & traders ✅ Short Summary MS pipe price in India (2025) ranges from ₹90 to ₹350 per meter , depending on pipe size, thickness, shape, coating, and quality. ERW MS pipes are the most commonly used, with average rates around ₹110–₹280/m. π MS Pipe Price Chart – India 2025 (Per Meter) MS Pipe Type Size (Inches) Thickness (mm) Price Range (INR) Application MS ERW Pipe 1" – 4" 2.0 – 4.0 ₹100 – ₹240 Construction, fabrication MS Round Pipe 0.5" – 6" 1.5 – 5.0 ₹90 – ₹270 Scaffolding, general plumbing MS Square Pipe ...
Looking for the latest GI pipe prices in India for 2025? Whether you're a contractor, builder, or industrial buyer, this guide provides the full GI pipe price list by size (½ inch to 50mm) , covering B Class and C Class pipes from top manufacturers like Jindal and Tata. GI pipe prices in 2025 vary from ₹75 to ₹1,450 per meter, depending on pipe size , class (B/C) , and brand . B Class is commonly used for general water lines, while C Class suits high-pressure applications. 𧱠What is a GI Pipe? GI (Galvanized Iron) pipes are mild steel pipes coated with zinc to prevent corrosion. They're widely used in water supply, plumbing, fire-fighting, construction, and industrial Udyog (ΰ€ΰ€¦्ΰ€―ोΰ€) sectors. IS Standard: Most GI pipes follow IS:1239 (Part-1) specifications. π GI Pipe Price List by Size (2025) Size (NB) Outer Dia (mm) B Class Price/Mtr (₹) C Class Price/Mtr (₹) ½” (15mm) 21.3 mm ₹75 – ₹90 ₹105 – ₹120 ¾” (20mm) 26.9 mm ₹95 – ₹110 ₹130 – ₹145 1” (25mm) 33.7 mm ₹1...
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