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Product:
3PE Coating Pipe, 3PE Anticorrosive Pipe
Application:
Used for Coal mine,heat and power plant,oil and gas transmission
Standard:
DIN30670,CAN/CSA-Z245.21, NFA 49-710, ISO DIS21809-1
Size:
DN50-DN2200
Coating Layer:
Layer 1 Epoxy Powder ≥80um
Layer 2 Adhesive :170-250um
Layer 3 Polyethylene : 1.8-3.7mm
Packing:
in bundles, in loose, Nylon Strip for each bundle for piece pipe
3PE coating pipe is short for “three layers structure polyethylene anticorrosion coating steel pipe”. There are three layers in this pipe coating structure:
Coating standard:
nominal diameter of steel pipe(dn) |
epoxy coating |
adhesive layer |
min thickness of anti-corrosion layer (mm) |
|
(mm) |
(a/μm) |
(mm)/um |
general type |
strengthen type |
dn≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
100 |
/ |
/ |
2 |
2.7 |
250 |
/ |
/ |
2.2 |
2.9 |
500≤dn<800 |
/ |
/ |
2.5 |
3.2 |
dn≥800 |
/ |
/ |
3 |
3.7 |
type |
3lpe coated pipe |
coating type |
3 layer polyethylene |
size range |
25 mm to 3000 mm |
lengths limit |
up to 12m |
wall thickness |
sch5s to sch160, xxs |
connections |
weld and thread |
standards |
ansi, jis, din, en, iso. |
materials list |
3lpe coated carbon steel pipes 3lpe coated stainless steel pipes 3lpe coated alloy steel pipes 3lpe coated mild steel pipes |
specialized in |
3 layer polyethylene coated steel pipes 3lpe seamless api 5l gr a / b pipes lsaw 3lpe steel pipe, api 5l, apl 5ct 3 layer polyethylene coated pipes srl, drl 3lpe coated pipes |
3lpe pipe coating layers |
layer 1: fusion bonded epoxy corrosion protective layer. layer 2: copolymer adhesive layer 3: applied for physical protection and consists of polyethylene |
life of 3lpe coated pipes |
75 years+ |
temperature limits |
-40°c to 80°c |
coating thickness |
4.2 mm max |
qualified standard
gb/t3091 welded steel pipe for low pressure liquid delivery
gb/t9711 petroleum and natural gas industries--steel pipe for pipelines
is: 3589 steel tubes for water and sewage
is : 1978-1982:steel tubes for use in transportation of oil; gas & petroleum products
astm a53 standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless
din 2458 welded steel pipes and tubes
en10217 welded steel tubes for pressure purposes. technical delivery conditions.
non-alloy steel tubes with specified room temperature properties
api 5l line pipe
sy/t5037 spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
sy/t 5040 spiral submerged arc-welded steel pipe piles
cj/t 3022 spiral submerged-arc welded steel pipe for municipal heat supply
is : 1978 steel tubes for use in transportation of oil; gas & petroleum products
astm a252 welded and seamless steel pipe piles
coating standard
ansi/awwa c104/a21.4 american national standard for cement-mortar lining for ductile-iron pipe and fittings for water
iso 21809 petroleum and natural gas industries -- external coatings for buried or submerged pipelines used in pipeline transportation systems
din 30670 polyethylen coatings of steel pipes and fittings
nominal diameter of steel pipe(dn) |
epoxy coating |
adhesive layer |
min thickness of anti-corrosion layer (mm) |
|
(mm) |
(a/μm) |
(mm)/um |
general type |
strengthen type |
dn≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
100 |
/ |
/ |
2 |
2.7 |
250 |
/ |
/ |
2.2 |
2.9 |
500≤dn<800 |
/ |
/ |
2.5 |
3.2 |
dn≥800 |
/ |
/ |
3 |
3.7 |
type |
3lpe coated pipe |
coating type |
3 layer polyethylene |
size range |
25 mm to 3000 mm |
lengths limit |
up to 12m |
wall thickness |
sch5s to sch160, xxs |
connections |
weld and thread |
standards |
ansi, jis, din, en, iso. |
materials list |
3lpe coated carbon steel pipes 3lpe coated stainless steel pipes 3lpe coated alloy steel pipes 3lpe coated mild steel pipes |
specialized in |
3 layer polyethylene coated steel pipes 3lpe seamless api 5l gr a / b pipes lsaw 3lpe steel pipe, api 5l, apl 5ct 3 layer polyethylene coated pipes srl, drl 3lpe coated pipes |
3lpe pipe coating layers |
layer 1: fusion bonded epoxy corrosion protective layer. layer 2: copolymer adhesive layer 3: applied for physical protection and consists of polyethylene |
life of 3lpe coated pipes |
75 years+ |
temperature limits |
-40°c to 80°c |
coating thickness |
4.2 mm max |
qualified standard
gb/t3091 welded steel pipe for low pressure liquid delivery
gb/t9711 petroleum and natural gas industries--steel pipe for pipelines
is: 3589 steel tubes for water and sewage
is : 1978-1982:steel tubes for use in transportation of oil; gas & petroleum products
astm a53 standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless
din 2458 welded steel pipes and tubes
en10217 welded steel tubes for pressure purposes. technical delivery conditions.
non-alloy steel tubes with specified room temperature properties
api 5l line pipe
sy/t5037 spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
sy/t 5040 spiral submerged arc-welded steel pipe piles
cj/t 3022 spiral submerged-arc welded steel pipe for municipal heat supply
is : 1978 steel tubes for use in transportation of oil; gas & petroleum products
astm a252 welded and seamless steel pipe piles
coating standard
ansi/awwa c104/a21.4 american national standard for cement-mortar lining for ductile-iron pipe and fittings for water
iso 21809 petroleum and natural gas industries -- external coatings for buried or submerged pipelines used in pipeline transportation systems
din 30670 polyethylen coatings of steel pipes and fittings