Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Spiral Pipe technical parameters


The Spiral Pipe technical quality parameter table

Spiral Pipe, with outer diameters ranging from 219mm to 3048mm, and wall thickness from 5mm to 30mm, Standard API 5L, ASTM A252, EN 10219-1, EN 10219-2, EN 10217-5, GBT 9711.1, GBT 9711.2.

Coating Pipe include Galvanized Steel Pipe, 3PE Coating Steel Pipe, 2PE Coating Steel Pipe, 3PP Coating Steel Pipe,  FBE Coating Steel Pipe and Polyurethane insulating tube.

Spiral Pipe

Spiral steel Pipe


Standard Code content items SY/T5037-2000 GB/T9711.1-1997 (A-level) API Spec 5L (42)
Scope General fluid such as gas, water, gas, air, heating, steam pipes - Petroleum and natural gas industries - transport with steel pipe Oil and gas industrial conveyor with steel pipe
Steel grades Q195, Q215, Q235 L175 - L483 A, B, X42 - X70
Size The outside diameter of the tube D <508 ± 0.75% D D ≥ 508 ± 1.00% D D <508 ± 0.75% D D ≥ 508 ± 1.00% D D <508 ± 0.75% D 508 ≥ D ≥ 914 -0.25% D ~ +0.75% DD> 914 -3.20 ~ +6.35
Tube ends outside diameter D <508 ± 0.75% D ± 2.5 take small values ​​D ≥ 508 ± 1.00% D ± 4.5 to take a small value D ≤ 273.1 -0.40 ~ +1.59 D> 323.9 -0.79 ~ +2.38 D ≤ 273.1 -0.40 ~ +1.59 D> 273.1 -0.79 ~ +2.38
Deviation Wall thickness D <508 ± 12.5% ​​t -12.5% ​​T ~ +15.0% t -12.5% ​​T ~ +15.0% t
D ≥ 508 ± 10.0% t L175 ~ L245 -10.0% t ~ +17.5% t No higher than Class B -12.5% ​​t ~ +17.5% t
L290 ~ L555 -8.0% t ~ +19.5% t Not less than X42 -8.0% t ~ +19.5% t
Ovality The end-of-pipe 100 within ± 1% D D> 508 steel pipe from the pipe end 101.6 within the maximum outer diameter shall not than the nominal outside diameter of 1%; minimum outside diameter of not more than nominal outside diameter of 1% D> 508 steel pipe from the pipe end 101.6 within the maximum outer diameter shall not than the nominal outside diameter of 1%; minimum outside diameter of not more than nominal outside diameter of 1%
The bending degrees (straight) Not more than 0.2% of the total length of the steel pipe Not more than 0.2% of the total length of the steel pipe Not more than 0.2% of the total length of the steel pipe
Pipe end beveling Bevel 30 ° - 35 ° blunt edge 1.6 ± 0.8 1.59 ± 0.79 a blunt edge bevel 30 ° - 35 ° 30 ° - 35 ° bevel blunt edge 1.59 ± 0.79 </ DIV

OTHER PIPES:

ERW Pipe,  with outer diameters ranging from 21.3mm to 630mm, and wall thickness from 1.8mm to 22.2mm, Standard API 5L, API 5CT,  ASTM A252, EN 10219-1, EN 10219-2, EN 10217-1, EN 10217-2,GBT 9711.1

 

Pipeline and sprial pipeline are intended for the transmission of petroleum, natural gas and other gas&fluids. Products include over a hundred specifications for the various applications in regular, pressure, submarine, low-temperature, high-temperature corrosion-resistant and other pipelines. We can supply products according to international standards such as API 5L, ASTM, ASME, JIS, DIN, EN, etc. And it also can meet the customer’s special specification by mutually agreement.

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