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Underground HDPE Jacket Polyurethane Thermal Insulation Steel Pipe Welding ISO9001/CE Certified API/ASTM Standard for Hot

Available for enquiry 5.0 · 1 reviews
USD

70.00 70.0 USD 70.00

Not Available For Sale

Minimum order quantity: 500 Units

Key attributes

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Application
Fluid Pipe, Boiler Pipe, Drill Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe
Grade
steel pipe
Standard
GB
Section Shape
Round
Length
5-12
Certificate
CE, ISO9001 ISO14001 CE
Product description

Orange insulation pipe

Composite plastic insulation pipe

GI steam insulation pipe

GI pre insulated pipe

Pre insulated pipe fittings

StructureSteel pipe · insulation layer · HDPE outer protection pipe
Steel pipe standard and material1. GB 20#, Q235B 2. ASTM A53 GrB 3. API Spec 5L 16Mn, X42-X80
Application1. district heating 2. district cooling 3. crude oil transportation generation project
SpecificationDN25-1800mm(1 inch-72 inch)
Medium temperatureLess than 120℃( accidental peak 140 ℃)
Medium pressureLess than 2.5MPa
1. The pre-insulated pipe with alarming line 2. Joint materials 3. Insulation fittings
Main Indexs of Pre-insulated Pipe
Product NameProduct IndexesReference StandardUnitStandard Requirement
Finished productSteel pipe without thermal insulation layerCJ/T114-4.4.1mm150-250
Increasing rate of HDPE outer protection pipeCJ/T114-4.4.2%≤ 2
Axis eccentricityCJ/T114-4.4.3mmsee clause 4.4.3
Expectation of lifeCJ/T114-4.4.4.1year120℃ 30 years
Shear strength(170℃,1450h after aging)CJ/T114-4.4.4.2MPa(23±2℃)>0.12 (140±2℃) >0.08
Shock resistanceCJ/T114-4.4.53kg/2msee clause 4.4.5
Resistance value between alarm lineCJ/T114-4.4.6more than 20MΩ
Outer protection pipeDensityCJ/T114-4.2.3.1kg/m3≥940
Elongation at breakCJ/T114-4.2.3.4%≥350
Tensile yield stengthCJ/T114-4.2.3.4MPa≥19
Longitudinal shrinkage rateCJ/T114-4.2.3.5%≤3
Long term Mechanical propertiesCJ/T114-4.2.3.680℃ 4.0MPa>1500h free from damage
The difference of the melt flow rateCJ/T114-4.2.3.2g/10min≤0.5
Carbon Black contentCJ/T114-4.2.3.1%2.5±0.5
Polyurethane insulation layerDensityCJ/T114-4.3.2kg/m3≥60
Average pore sizeCJ/T114-4.3.1mm≤0.5
Percentage of close areaCJ/T114-4.3.1%≥88
Compressive strengthCJ/T114-4.3.3MPa≥0.3
Water absorptionCJ/T114-4.3.4%Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10%
Coefficient of thermal conductivity before agingCJ/T114-4.3.5w/(m.k)≤0.033
CavityCJ/T114-4.3.1≤1/3 the thickness of insulation layer
Working steel pipeSeamless steel pipe(≤DN150)GB816320#Up to standards
Spiral steel pipe (≥DN200)GB/T9711 or SY/T5037Q235BUp to standards
Description images
Product detail
Product detail
Product detail
Product detail
Packaging and fulfilment
  • Step 1

    Payment and order readiness

    Minimum order: 500 Units

    Payment terms, specifications, and order details are confirmed before preparation begins.

  • Step 2

    Preparation

    30 days

  • Step 3

    Packaging and dispatch

    Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days

    Final packing, freight, and delivery dates are confirmed before dispatch.

Technical specifications
Other details 28 fields
Application
Fluid Pipe, Boiler Pipe, Drill Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe
Grade
steel pipe
Standard
GB
Section Shape
Round
Length
5-12
Certificate
CE, ISO9001 ISO14001 CE
Surface Treatment
Hot Rolled
Tolerance
±10%
Special Pipe
API Pipe
Alloy Or Not
Non-Alloy
Oiled or Non-oiled
Non-oiled
Processing Service
Cutting, Welding
Invoicing
By Actual Weight
Delivery Time
20-40
Place of origin
China, Hebei
Thickness (Specification)
10-20
Service
OEM/ODM
MOQ
500 meters
Length per pcs
usually 5.8m/pcs 11.8m/pcs
Sample
Yes, please
Standard of steel pipe
GB, API, ASTM, EN
Insulation Material
polyurethane (PU)
Thickness of insulation layer
10-50mm
Density of insulation layer
50-60kg/m3
Thermal Conductivity
less than 0.033w/m.k
Selling Units
Single item
Single volume
0 cm3
Single gross weight
0.0 kg
Lead time
30 days
Minimum order
500 Units

Customer reviews

5.0 (1)
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Cameron O. Verified buyer Repeat buyer
United States United States ·

Professional communication from initial contact.

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