API 5CT oil casting pipes :
Steel grades:J55,K55,N80,L80
Outer Diameter: 6 to72 inches.
Wall-thickness:6 mm to 60 mm
Length:R1,R2,R3
Random length ,Fixed length
Surface treatment :Bare or regular Mill coating or customized.
Outer Diameter: 6 to72 inches.
Wall-thickness:6 mm to 60 mm
Length:R1,R2,R3
Random length ,Fixed length
Surface treatment :Bare or regular Mill coating or customized.
End finished:Plaint End,LTC,Buttress Thread,Premium Connection.
Serves as the structural retainer for the wall of oil and gas well
Competitive advantage:
quality approval ;country of origin ;price ;distributorships offered ;international approval ;small order accepted ;experienced staff; prompt delivery.
Test:Chemical Analysis,Mechanical Properties,Technical Properties,Exterior Size Inspection,Hydrostatic,X-ray,Test,NDT test.
Mill Test Certification:API
Application:Used in the manufacture of oil-refinery furnace tube, heat exchanger tubes and pipes
●Size deviation
Category | Size | Allowable deviation | |
Hot-rolled pipe | Outer diameter(mm) | ≤ 159 | ± 1.00% |
> 159 | ± 1.25% | ||
Wall thickness(mm) | ≤ 20 | ± 12.5% | |
> 20 | ± 10.0% | ||
cold drawn pipe | Outer diameter(mm) | ≤ 30 | ± 0.20 |
30~50 | ± 0.30 | ||
> 50 | ± 0.8% | ||
Wall thickness(mm) | ≤ 3 | + 12% - 10% | |
> 3 | ± 10% | ||
