1/2 Inch GI Pipe
The Standard 1/2 Inch GI Pipe provides a durable solution for pressurized fluid transport and structural framing in demanding environments. This galvanized steel component features a hot-dip zinc coating to prevent oxidation and surface corrosion. Plumbers and contractors utilize this specific diameter for residential branch lines and outdoor utility installations.
Built for the Job
This piping material withstands mechanical stress and environmental exposure better than standard PVC alternatives. The hot-dip galvanization process creates a thick metallurgical bond that protects the steel core even if the surface sustains minor scratches during transport or installation. Site supervisors often specify this material for areas where pipes remain exposed to sunlight or physical impact. The 1/2 inch nominal bore size makes it the primary choice for connecting individual fixtures to main water lines. It handles high-pressure water systems without the risk of bursting or deforming under heat.
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Installation of potable water supply lines in residential and commercial buildings.
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Fabrication of heavy-duty shelving, handrails, and outdoor gate frames.
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Compressed air distribution systems in workshops and industrial garages.
Product Highlights
- Corrosion Protection
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The uniform zinc coating prevents rust formation in high-moisture areas and underground runs.
- Structural Integrity
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- High tensile strength steel core resists bending under load.
- Thread-ready ends allow for secure mechanical joining with standard fittings.
- Withstands internal pressure spikes common in municipal water supplies.
Technical Specifications
| Specification | Detail |
|---|---|
| Nominal Diameter | 1/2 Inch (15mm NB) |
| Material | Galvanized Iron / Steel |
| Length | 6 Meters (20 Feet) |
| Coating Type | Hot-Dip Galvanized |
| Standard | BS 1387 / EN 10255 |
What’s Included
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1 x 6-Meter Length of 1/2″ Galvanized Iron Pipe
On-Site & Workshop Notes
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Ensure all threaded joints use appropriate PTFE tape or pipe dope to maintain a watertight seal.
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Use a heavy-duty pipe cutter or hacksaw for sizing; deburr the internal edges to prevent flow restriction.
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Store these lengths on raised racks to prevent direct contact with wet soil before installation.
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Apply cold galvanizing spray to any cut ends or exposed threads to maintain rust protection.

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