Galvanized Iron (GI) pipes are among the most widely used materials in construction, plumbing, borewell casing, and industrial water supply systems. Among different sizes, the 3 inch GI pipe is a very common requirement due to its balanced strength, durability, and cost-effectiveness.
Many buyers search specifically for “3 inch GI pipe price 20 feet” when planning bulk purchases. To help you with quick reference, this page provides details on specifications, weight chart, and pricing method for 3 inch GI pipes.
For the full updated price list, check our [detailed guide on 3 inch GI pipe price for 20 feet length].
Specifications of 3 Inch GI Pipe
| Parameter | Value (Approx.) | Notes |
|---|---|---|
| Nominal Bore (NB) | 3 Inch (80 NB) | Standard size reference |
| Outer Diameter (OD) | ~88.9 mm | As per IS 1239 standard |
| Wall Thickness | Class A (Light) – 3.2 mm, Class B (Medium) – 4.0 mm, Class C (Heavy) – 4.8 mm | Varies by class |
| Length Standard | 20 Feet (6 Meters) | Supplied in fixed length |
3 Inch GI Pipe Weight Chart (Per Meter & 20 Feet)
The weight of a GI pipe depends on its thickness (Class A, B, or C). Below is the reference chart:
| Class | Thickness (mm) | Weight per Meter (kg) | Weight of 20 Feet Pipe (kg) |
|---|---|---|---|
| Class A (Light) | 3.2 mm | ~6.40 kg/m | ~38.40 kg |
| Class B (Medium) | 4.0 mm | ~7.50 kg/m | ~45.00 kg |
| Class C (Heavy) | 4.8 mm | ~8.60 kg/m | ~51.60 kg |
How 3 Inch GI Pipe Price is Calculated
The price of a 3 inch GI pipe in 20 feet length is calculated based on:
- Current GI Pipe Rate per Kg (depends on market & brand)
- Weight of the Pipe (from table above)
Formula:Price of 20 Feet GI Pipe = Weight (kg) × Rate per Kg
Example Calculation
If the GI pipe rate is ₹90/kg:
- Class A: 38.40 × 90 = ₹3,456
- Class B: 45.00 × 90 = ₹4,050
- Class C: 51.60 × 90 = ₹4,644
Actual rates may vary depending on brand (Tata, Jindal, Apollo, local mills), zinc coating, and wholesale discounts.
Applications of 3 Inch GI Pipe
- Plumbing & Water Supply – Common in residential and commercial pipelines
- Borewell Casing – Used for water bore installation due to rust resistance
- Construction – For scaffolding, fencing, and sheds
- Fire Fighting Pipelines – Standard in hydrant and sprinkler systems
- Industrial Uses – Oil, gas, and chemical pipeline applications
Advantages of Using 3 Inch GI Pipe
- Strong corrosion resistance due to galvanization
- Long service life compared to plain MS pipes
- Suitable for both indoor and outdoor usage
- Easy to weld and install
- Available in multiple classes (A/B/C) depending on pressure and load requirements
FAQs on 3 Inch GI Pipe
Q1. What is the weight of a 3 inch GI pipe in 20 feet?
- It ranges from 38 kg (Class A) to 52 kg (Class C) depending on thickness.
Q2. Which brand offers the best 3 inch GI pipes?
Q3. How much does a 3 inch GI pipe cost in India?
- Price depends on per kg rate. On average, ₹3,400 to ₹4,700 per 20 feet length (approximate range).
Q4. What is the standard length of 3 inch GI pipe?
- The standard length is 6 meters (20 feet).
Q5. Where can I find the latest 3 inch GI pipe 20 feet price?
- You can check our [detailed price blog here] for live updates.
Conclusion
The 3 inch GI pipe (20 feet length) remains one of the most in-demand sizes for plumbing, construction, and industrial use. Its weight and cost depend on the class (A/B/C) and current market rate per kg.
