ISO Certified Manufacturer
Leading Gi pipe
Seamless gi pipe specification
Seamless gi pipe specification
| SPECIFICATION | DETAILS |
|---|---|
| Standard | IS 1239 / IS 3589 |
| Outer diameter | 1/2" to 20" (21.3 mm to 508 mm) |
| Wall thickness | 2.0 mm to 12.7 mm |
| Length | 6 m, 12 m and custom |
| Ends | Plain, Beveled, or Threaded |
| Density | ~7.85 g/cm³ |
Galvanized seamless steel pipe
Gi pipe
Galvanized steel pipe
Hot dip galvanized seamless steel pipe
Schedule 40 galvanized steel pipe
Hot dip galvanized pipe
Galvanized steel pipe price list
Galvanized steel pipe price list
| Description | Price in USD | Price in Kilogram (INR) |
|---|---|---|
| Seamless Galvanized Steel Pipe, Size/Diameter: 20, Unit Pipe Length: 6 | $ 1.17 | ₹ 100 |
| Galvanized Steel Pipes, Length: 2m | $ 0.014 | ₹ 76 |
Galvanized pipe weight chart
Galvanized pipe weight chart
| Size | Nominal Pipe Size |
Wall Thickness | OD | ID | Length (In.) |
Weight (Lb/Ft) |
|---|---|---|---|---|---|---|
| 1-1/2" SCH 40 | 1-1/2" | 0.145" | 1.9" | 1.61" | 288.00" | 2.730 |
| 2" SCH 40 | 2" | 0.154" | 2.375" | 2.067" | 252.00" | 3.679 |
| 2-1/2" SCH 40 | 2-1/2" | 0.203" | 2.875" | 2.469" | 252.00" | 5.790 |
| 3" SCH 40 | 3" | 0.216" | 3.5" | 3.068" | 252.00" | 7.570 |
| 1/2" SCH 40 | 1/2" | 0.147" | 0.84" | 0.546" | 252.00" | 0.850 |
| 3/4" SCH 40 | 3/4" | 0.113" | 1.05" | 0.824" | 252.00" | 1.130 |
| 1" SCH 40 | 1" | 0.179" | 1.315" | 0.957" | 252.00" | 1.679 |
| 1-1/4" SCH 40 | 1-1/4" | 0.14" | 1.66" | 1.38" | 252.00" | 2.273 |
| 1-1/2" SCH 40 | 1-1/2" | 0.145" | 1.9" | 1.61" | 252.00" | 2.730 |
| 3-1/2" SCH 40 | 3-1/2" | 0.226" | 4" | 3.548" | 252.00" | 9.810 |
| 4" SCH 40 | 4" | 0.237" | 4.5" | 4.026" | 252.00" | 10.790 |
Chemical composition of galvanized metal pipes
Chemical composition of galvanized metal pipes
| Element | Percentage |
|---|---|
| Cu | 0.18 max |
| S | 0.063 max |
| Fe | 99 min |
| C | 0.3 max |
| P | 0.05 max |
Galvanized steel pipe properties
Galvanized steel pipe properties
| Metric | Imperial | |
|---|---|---|
| Melting Point | ~1,510°C | ~2,750°F |
| Ultimate Tensile Strength | 400 MPa | 58,000psi |
| Density | 7.8 g/cc | 0.282 lb/in3 |
| Yield Tensile Strength | 317 MPa | 46,000psi |
Hot dip gi pipe hsn code
Hot dip gi pipe hsn code
| Hot Dip Galvanized Iron (GI) Pipes | 7306.30.10 |
Galvanized pipe pressure rating
Galvanized pipe pressure rating
| Outside Diameter (OD) | Nominal Pipe Size (NPS) | Wall Thickness | Schedule | Working Pressure (kg/cm²) | Working Pressure (psi) |
|---|---|---|---|---|---|
| 48.3 mm | 1 1/2 inch | 3.68 mm | Sch 40 | 42 | 600 |
| 60.3 mm | 2 inch | 3.91 mm | Sch 40 | 35 | 500 |
| 88.9 mm | 3 inch | 5.49 mm | Sch 40 | 31.6 | 450 |
| 21.3 mm | 1/2 inch | 2.77 mm | Sch 40 | 84 | 1200 |
| 26.7 mm | 3/4 inch | 2.87 mm | Sch 40 | 77 | 1100 |
| 33.4 mm | 1 inch | 3.38 mm | Sch 40 | 60 | 850 |
| 114.3 mm | 4 inch | 6.02 mm | Sch 40 | 26 | 370 |
Gi pipe dimensions
Gi pipe dimensions
| Size | OD (in MM) | Light (A) Class | Medium (B) Class |
|---|---|---|---|
| 4" | 114.30 | 9.75 | 12.20 |
| 1/2" | 21.30 | 0.947 | 1.21 |
| 3/4" | 26.70 | 1.36 | 1.56 |
| 1" | 33.40 | 1.98 | 2.41 |
| 1-1/4" | 42.20 | 2.54 | 3.10 |
| 1-1/2" | 48.30 | 3.23 | 3.56 |
| 2" | 60.30 | 4.08 | 5.03 |
| 2-1/2" | 76.20 | 5.71 | 6.42 |
| 3" | 88.90 | 6.72 | 8.36 |
| 5" | 141.30 | NA | 15.90 |
| 6" | 165.10 | NA | 18.90 |
Galvanized steel pipe weight calculator
Galvanized pipe sizes in mm
Galvanized pipe sizes in mm
| Nominal Pipe Diameter (DN) / Inch | Average Outer Dia in Milimeter | |
| DN 400 | 16″ | 406.4 |
| DN 65 | 2-1/2″ | 76.3 |
| DN 80 | 3″ | 89.1 |
| DN 100 | 4″ | 114.3 |
| DN 125 | 5″ | 139.8 |
| DN 10 | 3/8″ | 17.3 |
| DN 15 | 1/2″ | 21.7 |
| DN 20 | 3/4″ | 27.2 |
| DN 32 | 1-1/4″ | 42.7 |
| DN 40 | 1-1/2″ | 48.6 |
| DN 50 | 2″ | 60.5 |
| DN 150 | 6″ | 165.2 |
| DN 200 | 8″ | 216.3 |
| DN 250 | 10″ | 267.4 |
| DN 300 | 12″ | 318.5 |
| DN 350 | 14″ | 355.6 |
| DN 25 | 1″ | 34.0 |
| DN 450 | 18″ | 457.2 |
| DN 500 | 20″ | 508.0 |
| DN 550 | 22″ | 558.8 |
| DN 600 | 24″ | 609.6 |
Galvanized steel pipe applications
Galvanized steel pipe applications
| Plumbing | Agriculture |
| Gas pipelines | Scaffolding |
| Construction | Fencing |
| Railings | Home drainage systems. |
Galvanized pipe standard
- JIS G3444
- ASTM A53
- EN 10255
- IS 3589
- DIN 2444
- AS 1074
- BS 1387
- IS 1239 (Part 1)
Galvanized steel pipe advantages and disadvantages
Galvanized steel pipe advantages and disadvantages
| Advantages | Disadvantages |
|---|---|
| Excellent corrosion resistance | Can rust over time in harsh environments |
| Low maintenance | Heavier than alternatives (e.g., PVC) |
| Cost-effective for outdoor use | Not ideal for hot water systems |
| Long lifespan | Not suitable for high-pressure systems |
| Good mechanical strength | Galvanized coating may flake over time |
Ready to place an order?
We supply premium quality steel products for every industrial application. Call us or send an enquiry and our team will respond within 24 hours.
