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Coating Pipe
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Applied to the pipe exterior, coatings are the first line of protection against corrosion and other elements. Coatings prohibit corrosion, which can occur from corrosive soils, dissimilar metals, bacteria, stresses, or stray electrical current in the ground. To further the long performance life of steel pipe, Northwest Pipe offers both dielectric and chemical inhibitor pipe coatings such as polyurethane and tape.




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Product Details

Product:         Coating Pipe

Application: Applied to the pipe exterior, coatings are the first line of protection against corrosion and other elements. Coatings prohibit corrosion, which can occur from corrosive soils, dissimilar metals, bacteria, stresses, or stray electrical current in the ground. To further the long performance life of steel pipe, Northwest Pipe offers both dielectric and chemical inhibitor pipe coatings such as polyurethane and tape.

Standard API 5L
Grade PSL-1 API 5L – Gr.B/X42/X46/X52/X60/X70 etc.
( Material) PSL-2 ISO3183 – L245/L290/L320/L360/L415/L485 etc.
Minimum Order Quantity 1 Ton
    Outside Diameter Ranges PSL-1 0.405-80(in) or 10.3mm-2032mm
PSL-2 4 1/2 -80(in) or 114.3mm-2032mm
          Wall Thickness Ranges SCH10~SCH160  Or  STD,XS,XXS  Or  1.73mm~59.54mm
Length For 20Ft Container 4.8m-5.8m
(negotiable) For 40Ft Container 4.8m-12m

      Most common choice 6m, 12m
Type Welded ERW,LSAW/SSAW
Seamless Cold Drawn,Hot Finished,Hot Expanded
Cap (negotiable) Pipe size should under DN600
Pipe End Plain end All sizes
Bevel end Pipe size above DN50, and the thickness should greater than 3.2mm
Our advantages ·Diverse products(Steel pipes, pipe fittings, other fittings)
·Any third party inspection is accepted by we company.
·Quick response in quotation,delivery,after-service.
·Focus on pipe & tube solution for project application.


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


Production process drawing

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