The American Petroleum Institute specification API covers seamless and welded steel line pipe. This is steel pipe for pipeline transportation systems in the petroleum and natural gas industries.
| Product | API Pipe | 
| Wall Thickness | 1.8mm up to 20mm | 
| Outside Diametre | 10mm up to 850mm | 
| Lenght | 6 Metre | 
| Minimum Order | 1 Tonne |