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

  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...

“Where to Buy GI Pipes in Bulk – Price per Kg & Meter Breakdown”

 

Introduction

When it comes to sourcing GI pipes (Galvanized Iron pipes) for industrial, agricultural, or construction use, bulk buying is the most economical and efficient approach. Whether you are a contractor handling large-scale infrastructure or a distributor serving a regional market, purchasing GI pipes in larger quantities ensures you benefit from better pricing, reduced logistical costs, and uninterrupted project timelines.

In this complete 2025 guide, we cover where to buy GI pipes in bulk, compare price per kg vs per meter, and help you understand how to choose the right class, brand, and size for your needs. If you're serious about quality and cost-effectiveness, platforms like Udhhyog provide direct access to verified GI pipe manufacturers and wholesalers across India.


🧾 What Are GI Pipes?

GI pipes are mild steel pipes that have been galvanized with a zinc coating to protect against corrosion and rust. These pipes are widely used in water supply lines, irrigation systems, fencing, structural fabrication, and even in the solar mounting industry.

They are available in different shapes (round, square, and rectangular), wall thicknesses (Class A, B, C), and sizes ranging from ½ inch to over 6 inches in diameter.


📌 Why Buy GI Pipes in Bulk?

✅ Cost Savings

Buying in bulk often brings down the per meter or per kg cost by 10–15% compared to retail pricing.

✅ Better Availability

Distributors and suppliers prioritize bulk orders for stock reservation and quicker dispatch.

✅ Consistency in Quality

Bulk purchases from one source mean you get uniform coating, consistent class, and batch quality—critical for large projects.

✅ Customization and Logistics

Bulk buyers can request special lengths, threading, bundling, and logistics support—all of which save time and reduce project delays.


💰 GI Pipe Price per Kg vs Price per Meter (2025)

Understanding the pricing model is essential for smart procurement. Suppliers offer prices either per kilogram (kg) or per meter, and each has its advantages.

🔹 Price per Kg – Ideal for bulk procurement, as it's based on weight.

Size (mm)Weight per MeterPrice per KgEstimated Price per Meter
15 mm~1.5 kg₹74 – ₹78₹111 – ₹117
25 mm~2.5 kg₹74 – ₹78₹185 – ₹195
40 mm~3.8 kg₹74 – ₹78₹281 – ₹296
50 mm~4.8 kg₹74 – ₹78₹355 – ₹374

🔹 Price per Meter – Preferred for smaller orders or installation planning.

Size (Inch)ClassPrice/Metre
½ inchB Class₹95 – ₹115
1 inchB Class₹135 – ₹155
1½ inch (40mm)B Class₹190 – ₹220
2 inch (50mm)B Class₹230 – ₹270

💡 Tip: Price per kg is more transparent for large buyers, especially when factoring in wastage or scrap resale.


🏷️ GI Pipe Classes – A, B, C Explained

ClassWall ThicknessUsageCost (vs B Class)
A ClassThinTemporary or low-pressure lines₹15 – ₹20 cheaper
B ClassStandardGeneral plumbing, fabricationBase rate
C ClassHeavyIndustrial/high pressure lines₹30 – ₹40 more

For bulk infrastructure or industrial projects, C Class pipes are highly recommended.


🏢 Best Places to Buy GI Pipes in Bulk in India

✅ 1. Udhhyog – Verified B2B Sourcing Platform

Udhhyog connects buyers with GI pipe manufacturers, stockists, and distributors across India. Ideal for bulk orders, the platform offers:

  • ✔️ Factory pricing
  • ✔️ Brand choices (Tata, Jindal, Swastik, Apollo)
  • ✔️ Delivery support PAN India
  • ✔️ GST invoicing & mill test certificates
  • ✔️ Real-time quote comparison

📞 Visit Udhhyog.in to submit your GI pipe bulk requirement today.


✅ 2. Manufacturer Direct Purchase

You can also approach brands directly for high-volume procurement:

  • Tata Pipes – Premium quality, ISI-marked, great for infrastructure.
  • Jindal Pipes – Widely available and competitively priced.
  • Swastik/Zincolite – Best for rural and cost-sensitive projects.

✅ 3. Steel Markets in Key Cities

If you prefer on-ground sourcing:

CityPopular GI Pipe Markets
DelhiLoha Mandi, Ghaziabad Industrial Area
MumbaiBhuleshwar, Kalamboli Steel Market
AhmedabadNaroda GIDC, Odhav
ChennaiTondiarpet Steel Market
KolkataBeliaghata, Howrah Industrial Belt

📦 Minimum Order Quantities for Bulk Purchase

Pipe SizeMOQ (Meters)Bundle Weight (Approx)
½ inch300 – 500 m450 – 750 kg
1 inch200 – 400 m600 – 1000 kg
50mm100 – 300 m700 – 1500 kg

📌 Udhhyog helps you consolidate orders across vendors to meet MOQ requirements while ensuring quality and timely dispatch.


📊 Bulk GI Pipe Cost Estimation Example

Let’s assume you're ordering 500 meters of 40mm B Class GI pipe.

  • Weight per meter: 3.8 kg
  • Total weight: 1,900 kg
  • Price per kg: ₹75
  • Total material cost: ₹1,42,500
  • Add GST (18%): ₹25,650
  • Total landed cost: ₹1,68,150 + transport

✔️ Through Udhhyog, buyers often save ₹5–₹8 per kg by sourcing directly from primary stockists.


🧠 Tips to Get Best Bulk GI Pipe Prices

  • 📑 Always request price both per meter and per kg for transparency.
  • ✅ Ask for mill test certificate + ISI marking proof.
  • 🚛 Bundle orders to reduce freight per kg.
  • 🛠️ Inquire about custom lengths and threading before dispatch.
  • 🤝 Negotiate payment terms (some dealers offer credit on repeat orders).

🛠️ Bulk Applications of GI Pipes

SectorUseRecommended Size
ConstructionPlumbing, fencing, structure½" to 2"
AgricultureBorewells, irrigation, greenhouse1" to 2"
InfrastructureDrainage, road railings, scaffolding40mm to 100mm
Solar Power ProjectsPanel mounting structures50mm and square pipes
Industrial ManufacturingCompressed air & utility lines2" and above

❓ FAQs

✅ Is it cheaper to buy GI pipes per kg or per meter?

For bulk orders, buying per kg is often more economical and transparent. Ensure you're aware of pipe weights and thickness.

✅ What is the price per kg of GI pipe in 2025?

The average price in India is ₹74 to ₹78 per kg depending on brand, thickness, and region.

✅ Where can I buy GI pipes in bulk?

You can use Udhhyog.in to connect with verified suppliers or visit large steel markets in cities like Delhi, Mumbai, or Ahmedabad.

✅ Which brand is best for bulk GI pipe purchase?

Tata and Jindal are highly trusted. Swastik is great for budget-oriented buyers. Udhhyog can provide options based on your budget and application.

✅ What is the delivery timeline for bulk GI pipe orders?

Typical lead time is 2–5 days depending on quantity and location. Udhhyog offers priority dispatch support for urgent projects.


🏁 Conclusion

Sourcing GI pipes in bulk is one of the smartest ways to reduce procurement costs while maintaining quality and consistency across projects. Whether you're managing irrigation systems, real estate plumbing, or industrial frameworks, understanding the price per kg and per meter helps you negotiate better and avoid overspending.

Always prefer verified suppliers, ask for technical certifications, and make use of sourcing platforms like Udhhyog to streamline your purchase. With the right approach, bulk buying ensures timely project completion and long-term reliability.


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