
2" (50mm) NB Mild Steel Pipe Galvanised
Please note: Nominal Bore (NB) is an industry-standard pipe size designation and does not indicate the actual internal diameter. For example, 1" NB pipe has a 33.7mm outside diameter, with the actual internal diameter determined by the wall thickness. The actual bore will generally be greater than the nominal 25.4mm (1") size. This industry-standard sizing is used across pipe and fittings, so a 1" NB does not mean a 25.4mm internal diameter.
| Material | Mild Steel |
|---|---|
| Weldability | Poor |
| Formability | Good |
| Machinability | Good |
| Shape | Tube / Pipe |
| Grade | BS 1387 |
| Finish | Galvanised |
| Corrosion Resistance | Excellent |
| Thickness | 3.6mm |
| Diameter | 50mm |
| Nominal Bore | 50mm |
| Outside Diameter | 60.3mm |
| Wall Thickness | 3.6mm |
| Nominal Bore Imperial | 2" |
| Weight/Metre (Kg) | 5.03 |
- hi, is that 50mm Internal Diameter please?


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