Anti-corrosion coated steel pipe

OCTG

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Anti-corrosion coated steel pipe

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Steel Hollow Section

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FBE coated pipe

Pipe Type: FBE (Fusion Bond Epoxy) Coated Pipe, Epoxy Coated Carbon Steel Pipe,Single-layer Anti-corrosion Epoxy Powder Pipe,Double Layer FBE Coating Pipes

Application: Used for natural gas, petroleum, water & sewage, and pipe systems

Specification: Outer diameter: 20mm~3600mm

                         Wall thickness: 1mm~80mm

                         LENGTH:  Random Length, Fixed Length, SRL, DRL

Coating Standard: DIN 30670, DIN 30671, DIN 30678, SY/T0413-2002 CAN/CSA-Z245.21etc.

Pipe Type: Submerged Arc Welded (LSAW/SSAW), Electrci Resistance Welded

End:Plain End/Bevelled End, Burr Removed

Surface: One Layer / Double Layer FBE anti-corrosive coating powder (200um~800um)

Packing: Waterproof Paper wrapped, Steel Strips bundled, two tags on each bundle

Description

Pipe Type: FBE (Fusion Bond Epoxy) Coated Pipe, Epoxy Coated Carbon Steel Pipe,Single-layer Anti-corrosion Epoxy Powder Pipe,Double Layer FBE Coating Pipes

Specification: Outer diameter: 20mm~3600mm

                         Wall thickness: 1mm~80mm

                         LENGTH:  Random Length, Fixed Length, SRL, DRL

Application: Used for natural gas, petroleum, water & sewage, and pipe systems

Coating Standard: DIN 30670, DIN 30671, DIN 30678, SY/T0413-2002 CAN/CSA-Z245.21etc.

Pipe Type: Submerged Arc Welded (LSAW/SSAW), Electrci Resistance Welded

Surface: One Layer / Double Layer FBE anti-corrosive coating powder (200um~800um)

Ends: Plain,Beveled, Thread With Couplings Or Sockets; Plastic Caps And Steel Rings Can Be Provided if possible

Packing: Waterproof Paper wrapped, Steel Strips bundled, two tags on each bundle

FBE coating steel pipe is fusion bonded epoxy coating steel pipe.It is a kind of external heat resin used for pipes.With a form of dry powder at thickness 400-600 microns on to the heated surface of pipe.Once the FBE coated on the pipe surface,the FBE film provides an extremely hard surface with great adhesion to the surface of pipe.The FBE layer in a even form and have good resistance to the chemical reaction.

The steel pipes are treated by shot blasting and intermediate frequency preheating before painting, and then the epoxy powder coating is sprayed on the surface of the heated pipe products by electrostatic spraying method, which is fused and bonded on the surface of the steel pipe and solidified to form a coating. FBE coating is usually one – step film – forming structure.

Features of fusion bonded epoxy(FBE) coating steel pipes:

  • FBE coating is corrosion resistant and chemical resistant
  • FBE coating has strong adhesion to steel, film integrity, soil stress and wear resistance.
  • FBE coating increases the life span of steel pipes.
  • The FBE coating can be used for external corrosion protection of buried or underwater steel piping installations with operating temperatures of -30~100 °c.
  • On the other hand,the defect of the FBE steel pipe is it have poor resistance to mechanical damage and heat and humidity.
  • A three-layer extruded polyethylene coating (3LPE) is composed of extruded, three-layer, anti-corrosive steel pipe coatings.

Specification

Technique Data:
1 Moisture Content:   <0.5%
2 Particle Size:   Larger than 250um<0.2%  Larger than 150um<3.0%
3 Density:   1.2~1.8g/cm3(Owing to the different formula and different colors)
4 Recommened Film Thinkness :   a. In FBE systems: 300-400 microns (12-16 mils) b. As a primer in 3-layer PE or PP systems: 150-300 microns (6-12 mils)
5 Theoretical Coverage:   0.6993 m2/kg per mm (134.6 ft2/lb per mil)
6 Operating Temperature Range:  "-73ºC (-100ºF) to 110ºC (230ºF)
7 Storage Time: 12 Months if stored below 27ºC (80ºF) and 65% relative humidity.
8  On Sieve: 150μm powder on sieve ≤3%,250μm powder on sieve ≤0.2%
9  Gel time:  under 200≥12s, and in accordance with manufacturer’s value ±20%
10  Thermal properties ΔH≥45J/g,Tg2≥95

THICKNESS OF FBE COATING ON STEEL PIPES

DN (mm)

Epoxy Powder (μm)

Adhesive Layer (μm)

Min. Thickness on The Coating (mm)

Common Level (G)

Strengthen Level (S)

DN ≤ 100

≥120

≥170

1.8

2.5

100 < DN ≤250

2.0

2.7

250 < DN < 500

2.2

2.9

500 ≤DN < 800

2.5

3.2

DN ≥ 800

3.0

3.7

Epoxy Primer Coated Pipes Coating Specification

External Coating

 

Coating type

Coating Standard

 

3LPE/3LPP

DIN30670-1991,CAN/CSA Z245,21-2010,ISO21809-1-2009 SY/T 0413-2002,GB/T23257-2009

 

2LPE/2LPP

SY/T 0315-2002,GB/T23257-2009,ISO21809-1-2009

 

FBE(Fusion-bond epoxy)

SY/T 0315-2005,AWWA C213-2001,CAN/CSAZ245.20-2010,ISO218909-2-2007,API RP5L9-2001

 

Bitumen coating

 

Enamel &Tape hot-applied

BS534-1990,AWWA203-2002,AWWA214-2000

 

Liquid epoxy coating

AWWWA C210-2007

 

Polyurethane insulated coating

SY/T0415-1996,CJ/T114-2000.EN253-1994

 

Internal Coating

 

Liquid Epoxy Coating

AWWAC210-2007

 

FBE

AWWAC213-2001

 

Cement Mortar Lining

BS534-1990,AWWA C205-2001

 

Bitumen Coating

BS534-1990

 


Epoxy Primer Coated Pipes Technique Data

Technique Data

Moisture Content:  

<0.5%

Particle Size:  

Larger than 250um<0.2%  Larger than 150um<3.0%

Density:  

1.2~1.8g/cm3(Owing to the different formula and different colors)

Recommened Film Thinkness :  

a. In FBE systems: 300-400 microns (12-16 mils) b. As a primer in 3-layer PE or PP systems: 150-300 microns (6-12 mils)

Theoretical Coverage:  

0.6993 m2/kg per mm (134.6 ft2/lb per mil)

Operating Temperature Range: 

"-73ºC (-100ºF) to 110ºC (230ºF)

Storage Time:

12 Months if stored below 27ºC (80ºF) and 65% relative humidity.

 On Sieve:

150μm powder on sieve ≤3%,250μm powder on sieve ≤0.2%

 Gel time:

 under 200℃≥12s, and in accordance with manufacturer’s value ±20%

 Thermal properties

ΔH≥45J/g,Tg2≥95℃

Single-layer Anti-corrosion Epoxy Powder Pipe

Melting guitar epoxy powder coating:

Coating Material : Epoxy Powder, Adhesion, Polyethylene Or Polypropylene, Cement Inside 
Standard: API 5L (PSL1, PSL2); GB/T 9711.1; 
Grade: Gr. B, X42, X46, X52, X60, X65, X70, X80; Q235B; Gr. C; 
Seam: SAW, SSAW; HSAW 

Specifications:
Outside Diameter: 219-2020 MM 
Wall Thickness: 5-25MM 
Length: 4/6/12/18/21 meters 
End: Plain or Bevelled 
Surface; Bare or Black Painted or Anti-corrosion, such as 3LPE;

Double Layer FBE Coating Pipes

The double-layer FBE coating system consists of an FBE base coat covering the bare tube surface and a modified FBE top coat. The coating process of the 2 Layer FBE pipe is basically the same as the standard sintering FBE spraying process, except that the layout of the powder spraying chamber and spray gun has changed, without adding complicated equipment. There are two types of spray guns: double powder spraying chamber and integral powder spraying chamber. They are used in the double-layer FBE coating system, such as double powder spraying chamber spraying and integral powder spraying chamber spraying.

double FBE coating pipes

The performance characteristics of the double-layer FBE coating system have been proved by laboratory tests and field application tests. The double-layer FBE anti-corrosion system applied to buried steel pipelines has high bonding strength with the substrate, high resistance to cathodic peeling, and low water absorption. Good high-temperature resistance. The characteristic of this system is that it combines the higher bonding performance of standard FBE and substrate and the better water permeability resistance of modified FBE.

Production process

Our Factory

Packaging

 

If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!

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CONTINENTAL STEEL CO.,LTD

Continental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.

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