EN-PN ISO 21809 Coated Stainless Steel Tubing DIN 30672 Class B30 Grade

Place of Origin China
Brand Name Best
Certification API/CE/TUV/ISO
Model Number 1/2''-48''
Minimum Order Quantity 1 Tons
Price 450 usd/ton
Packaging Details Bare Packing, Seaworthy Packing or As Required
Delivery Time 10~120 (according to the order quantity)
Payment Terms L/C, T/T
Supply Ability 100000Ton/Year

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Product Details
Standard EN-PN ISO 21809 DIN 30670, Grade Gruop DIN 30672 Class B30, C30 And C50
Thickness 4 - 18 Mm, 4-18mm Out Diameter 355.6-1229mm
Surface PE/2PE/3PE Keyword Epoxy
Usage Oil/gas/water Pipe,structure Production Year 2018
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Product Description

Product Name : EN-PN ISO 21809 3pe coating steel pipes ?the definition of anticorrosive steel pipes

 

 

Best Pipeline is the main manufacturer of the anticorrosive, extruded, three-layer, polyethylene/polyethylene co- ating on steel pipes. The coating technology allows to obtain the anticorrosive three-layer polyethylene/polyetylene coating, which consist of:

· epoxy layer,

· copolymer layer (bonding agent),

· polyethylene/polypropylene layer.

 


 

The coating is applied on steel pipes of diameters from 159 mm to 1420 mm and length from 6 m to 18 m. Properties of applied coatings comply with the following stan- dards:

· EN-PN ISO 21809,

· DIN 30670,

· DIN 30678,

· NFA 49-710,

· EN-PN 10285.

 

 

An extruded polyethylene coating has higher mechanical properties in comparison with cold applied polyethylene tape coating. Anticor- rosive coatings made of three-layer PE/PP are characterized by:

· high mechanical strength,

· high adherence of the coating to the pipe,

· guaranteedlong-lastinganticorrosiveprotectionofundergroundpipelines for minimum 50 years,

· 100% protection of weld zone of coated longitudinally and spirally welded pipes,

· suitability for bending of coated steel without damaging the insulation layer.

 

 

 

Coating grade Coating type Coating thickness depending on the pipe outer diameter [mm]
    159 - 273 323,9 - 457 508 - 559 610 - 762 813 - 1420
Polyethylene N-n, S-n 2 2,2 2,5 2,5 3
N-v, S-v 2,7 2,9 3,2 3,2 3,7
Polypropylene standard 2 2,2 2,2 2,5 2,5

 

 

Layer thickness

 

 

C kg/m Klasa A1 Klasa A2 Klasa A3 Klasa B1 Klasa B2 Klasa B3 Klasa C1 Klasa C2 Klasa C3
≤15 1,8 2,1 2,6 1,3 1,8 2,3 1,3 1,7 2,1
15≤ C ≤50 2,0 2,4 3,0 1,5 2,1 2,7 1,5 1,9 2,4
50≤ C ≤130 2,4 2,8 3,5 1,8 2,5 3,1 1,8 2,3 2,8
130≤ C ≤300 2,6 3,2 3,9 2,2 2,8 3,5 2,2 2,5 3,2
300 < C 3,2 3,8 4,7 2,5 3,3 4,2 2,5 3,0 3,8

 

 

The coating manufacturing process consists of the following operations:

· the surface blast cleaning to Sa 2 1/2 acc. to ISO 8501-1,

· the electrostatic spraying of epoxy powder onto a heated pipe,

· wrapping a pipe with extruded copolymer,

· wrapping a pipe with polyethylene/polyetylene in continuous way,

· cooling the coating and dressing the pipe ends.

 

EN-PN ISO 21809 3pe coating steel pipes  Pictures 

 

 

EN-PN ISO 21809 Coated Stainless Steel Tubing DIN 30672 Class B30 Grade 0