2PE /3PE coated pipe

Product Description


Shandong HengdingSheng Steel Co., Ltd. is a professional carbon steel pipe manufacturer with ISO CE certificate and a large factory with a productivity of 500,000 tons per month. We supply from wall thickness 0.5-300mm, including seamless carbon steel pipe and welded carbon steel pipe. Custom sizes available. We have large stocks for fast delivery, and provide free samples and customized services. The main markets are distributed in Europe, North America, South America, Africa, Southeast Asia and Oceania. The company has established stable cooperative relations with customers in more than 100 countries and regions.


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/mLayer thickness in mm
Class A1Class A2Class A3Class B1Class B2Class B3Class C1Class C2Class C3
M ≤ 151,82,12,61,31,82,31,31,72,1
15 < M ≤ 502,02,43,01,52,12,71,51,92,4
50 < M ≤ 1302,42,83,51,82,53,11,82,32,8
130 < M ≤ 3002,63,23,92,22,83,52,22,53,2
300 < M3,23,84,72,53,34,22,53,03,8
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 TypeCoating Standard
Single Layer FBESY/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 FBEQ/enPC 38-2002, CAN/CSA Z245.20-2010
2LPE/2LPP CoatingSY/T 0413-2002, GB/T 23257-2009, ISO     21809-1-2009
3LPE/3LPP CoatingSY/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 CoatingQ/HS 3017—2008
Insulation CoatingSY/T 0415-1996, CJ/T 114-2000, EN     253-1994
Bitumen CoatingBS 534-1990


Internal Coating

Coating TypeCoating Standard
Internal Liquid Epoxy CoatingAPI RP 5L2-2002, DEP     31.40.30.35-Gen-2005
Single Layer FBEAPI RP 5L7-1988
Internal Cement LiningBS 534-1990, AWWA C205-2000
Bitumen CoatingBS 534-1990

Product Show


Our 2PE (Dual Polyethylene) and 3PE (Three-layer Polyethylene) coated pipes provide superior corrosion protection for oil, gas, and water pipelines. Available in sizes from 2" to 48" OD, these pipes feature a fusion-bonded epoxy (FBE) base layer with high-density polyethylene (HDPE) overlay, ensuring long-term durability in harsh environments. Custom coating thicknesses (1.5-3.0mm) and specifications (DIN 30670, CSA Z245.21) available.





Produced using automated electrostatic spraying and extrusion coating systems, our process includes: surface shot blasting (Sa 2.5), FBE powder application (150-300μm), and HDPE extrusion (1.5-3.0mm). Equipped with infrared heating and cooling tunnels for uniform adhesion, plus inline holiday detection (≥5kV/mm). Annual capacity: 1,000+ km with coating thickness tolerance ±0.2mm.





In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.





Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.


Application

Packing And Shipping

Customer Visits

Online Consultation

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