Steel Tubes for Water and Gas
Pipes for Water & Gas (IS:1239)
IS:1239 specifies requirements for mild steel tubes used for water supply, gas distribution, and general engineering purposes. These pipes are available in Black and Galvanized finish, supplied in three classes — Light, Medium, and Heavy — covering nominal bore sizes from 15 mm (½") up to 150 mm (6").
Key Specifications
| Standard | IS:1239 (Part 1) |
| Manufacturing Process | ERW (Electric Resistance Welded) |
| Classes Available | Light (Class A) / Medium (Class B) / Heavy (Class C) |
| Nominal Bore Range | 15 mm (½") to 150 mm (6") |
| Surface Finish | Black (Unoiled / Oiled) / Hot-Dip Galvanized |
| End Preparation | Plain End, Bevelled End, or Screwed & Socketed |
| Standard Lengths | 4 metres / 6 metres |
| Testing | Hydraulic pressure test as per IS:1239 |
Typical Applications
- Municipal and domestic water supply distribution networks
- Natural gas and LPG distribution lines
- Fire-fighting sprinkler systems and hydrant lines
- Industrial steam and compressed air lines
- Irrigation and agricultural water conveyance
- Sewage and drainage infrastructure
- General structural and scaffolding applications
Supply
Available in standard lengths of 4 metres and 6 metres with plain, bevelled, or screwed-and-socketed ends as required. Custom lengths and special end preparations can be supplied on request. All pipes carry ISI certification and are supplied with mill test certificates conforming to IS:1239 (Part 1).