• Pipe Type:PE Coated Pipe, 2PE Coated Pipe, 3PE Coated Pipe

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

  Specification:OD: 219mm~2020mm

                          WT: 5mm~25mm

                          LENGTH: 4mtr, 6mtr, 12mtr, 18mtr, 21mtr

  Coating Standard:DIN 30670, DIN 30671, DIN 30678, SY/T0413-2002 etc.

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

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

  Surface:Two Layer Polyethylene Coating (2mm~4.5mm)

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

  

  3 PE coating steel pipe can be also used in urban fuel gas piping system, storage tanks and groove piping system, protecting pipe in electricity and communication industries and water piping systems.

  3PE anti-corrosion pipe three-tier structure: 
  the first layer of epoxy powder (FBE> 100um), the second adhesive (AD) 170-250um, the third layer of polyethylene (PE) 2.5-3.7mm. 
  Three of the integration, and steel pipe with a good solid coating. Diameter of Φ159-Φ1220. 

  2PE pipe anti-corrosion two-story structure, the first layer adhesive (AD), the second layer of polyethylene (PE), two kinds of integration.

  Coating Material: Epoxy Powder, Adhesion, Polyethylene Or Polypropylene, Cement Inside 

  3PE anti-corrosion consists of three layers of structure 
  -The first layer of epoxy powder is greater than 100Um
  -The second layer of adhesive, (AD) 170-250um.
  -The third layer of polyethylene (PE) 1.8-3.7mm.

  2PE anti-corrosion (two-layer polyethylene) structure
  -The first layer of adhesive, (AD) 170-250um.
  -The second layer of polyethylene (PE) 1.8-3.7mm

  3PE Coating Steel Pipe/2PE Coating Steel Pipe:
  -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; Gr. C;
  -The third party, SGS, BV, can be accepted.

  2PP PRESERVATION:

  PP anti-corrosion pipe two-story structure: the first layer adhesive (AD), the second layer of polypropylene (PP), two kinds of integration, three layers thick with the same PP.

  3PP PRESERVATION:

  PP three-tier structure of anti-corrosion pipeline:

  -The first layer of epoxy powder (FBE50 – 100um),

  -The second adhesive (AD) 250 – 400um,

  -The third layer of polypropylene (PP) 1.4 – 4.0mm.

  Three of the integration, and steel pipe with a good solid coating, Coating temperature up to 110 degrees.

  -Diameter of Φ159 – Φ1440

• 

  Specification

• THICKNESS OF 3LPE COATING ON STEEL PIPES

  minimum 125 µm Epoxy layer thickness

  minimum 150 µm copolymer layer thickness

  minimum thickness of 1.8 mm to 4.7 mm polyethylene or polypropylene layer

   

  Minimum total layer thickness range

  M kg/m	Layer thickness in mm
  	Class A1	Class A2	Class A3	Class B1	Class B2	Class B3	Class C1	Class C2	Class C3
  M ≤ 15	1,8	2,1	2,6	1,3	1,8	2,3	1,3	1,7	2,1
  15 < M ≤ 50	2,0	2,4	3,0	1,5	2,1	2,7	1,5	1,9	2,4
  50 < M ≤ 130	2,4	2,8	3,5	1,8	2,5	3,1	1,8	2,3	2,8
  130 < M ≤ 300	2,6	3,2	3,9	2,2	2,8	3,5	2,2	2,5	3,2
  300 < M	3,2	3,8	4,7	2,5	3,3	4,2	2,5	3,0	3,8
  Please note: The total required thickness may be reduced for SAW pipes by a maximum of 10% on joint seam. Class 1 and 2 for medium and light applications (sandy soil). Class 3 – application in extreme conditions (rocky soil) or underwater.

   

  Minimum thickness of finished coating

  Pipe Sizes (Specified OD)	Minimum Coating Thickness Chart (mm)
  ≤ 10 3 /4” (273.1 mm)	2.5
  > 12 3 /4” ( 323.9 mm) to ≤ 18” (457 mm)	2.8
  > 20" (508.0 mm) to ≤ 30" (762 mm)	3.0
  > 32" (813.0 mm)	3.3

  External Coating

  Coating Type	Coating Standard
  Single Layer FBE	SY/T 0315-2005, CAN/CSA Z245.20-2010,
  DEP 31.40.30.32-Gen-2011, ISO     21809-2-2007, API RP 5L9-2001
  Double Layer FBE	Q/enPC 38-2002, CAN/CSA Z245.20-2010
  2LPE/2LPP Coating	SY/T 0413-2002, GB/T 23257-2009, ISO     21809-1-2009
  3LPE/3LPP Coating	SY/T 0413-2002, GB/T 23257-2009, DIN     30670-1991, CAN/CSA Z245.21-2010，
  ISO 21809-1-2009, NF A49-711-1992, NF     A49-710-1988
  Concrete Weight Coating	Q／HS 3017—2008
  Insulation Coating	SY/T 0415-1996, CJ/T 114-2000, EN     253-1994
  Bitumen Coating	BS 534-1990

   

  Internal Coating

  Coating Type	Coating Standard
  Internal Liquid Epoxy Coating	API RP 5L2-2002, DEP     31.40.30.35-Gen-2005
  Single Layer FBE	API RP 5L7-1988
  Internal Cement Lining	BS 534-1990, AWWA C205-2000
  Bitumen Coating	BS 534-1990

• 

  Production process

• 

The coated pipe has good corrosion resistance and acid and alkaline resistance, and can be used under harsh environmental conditions. Advanced technology and equipment are used in the manufacturing process to ensure its quality and reliability. 3PE anti-corrosion steel pipe is widely used in different fields such as petroleum, chemical, natural gas and urban water supply, providing stable and reliable support for people's production and life.