3 layer pe anti-corrosion steel pipe coating seamless steel pipe for gas and oil

Standard:API, GB, API 5CT, API 5L, GB/T8163, GB/T9711
Grade:10#-45#, Q195-Q345, 20#, Q235, Q345
Thickness:5.0 - 14.0 mm
Section Shape:Round
Outer Diameter:159 - 1220 mm
Place of Origin:Hebei, China (Mainland)
Secondary Or Not:Non-secondary
Application:Oil Pipe
Technique:SAW
Surface Treatment:shot-blasting
Special Pipe:API Pipe
Alloy Or Not:Non-alloy
steel pipe specification:1220*12.0mm,or as request
composition:epoxy powder,adhesive layer
length:12meter or as request
standard:GB/T23257-2009
medium temperature:70centigrade
working pressure:1.6mpa
application:for oil and gas transport

3 layer pe anti-corrosion steel pipe coating seamless steel pipe for gas and oil

Anti corrosion layers
1.3PE anti corrosion layers:
adhesive-epoxy(60-80³´µm),
copolymer adhesive(170-250³´µm) ;
high density polyethylene(about 2mm);
2. 2PE anti corrosion layers:
copolymer adhesive (170-250³´µm) ;
high density polyethylene (about 2mm)
3.Peel strength: 3PE layers is more than 100N/cm, 2PE layers is more than 70N/cm
4.Spark leak level; ≥25KV
5.impulse withstand test: ≥50kg/cm
Remark: we can use coal tar epoxy as the anti corrosion layer according to customer’s request.