Pre-insulated Pipe

HDPE (High Density Polyethylene) Jacket Steel Pipe

HDPE (High Density Polyethylene) Jacket Steel Pipe
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Product Details

High Density Polyethylene (HDPE) insulation steel pipe is composed of working steel pipe, polyurethane insulation layer and polyethylene plastic outer protective pipe, which is used for insulation and cooling of indoor and outdoor pipelines, central heating pipelines, central air conditioning pipelines, chemical industry, medicine and long-distance transportation pipelines of petroleum.


HDPE Jacket pipe makes secure a waterproof, durability and UV-resistance of pre-insulated pipe. The high density polyethylene outer layer has good anti-corrosion, insulation performance. The rigid polyurethane foam is tightly bonded to the outer layer of the steel tube to prevent the infiltration of air and water, which can play a good role in anti-corrosion without considering the problem of adhesion to the anti-corrosion layer. The closed-hole ratio of polyurethane foam is over 92%, which is not only thermal insulation, but also can effectively prevent penetrating from water, moisture and a variety of other corrosive liquids and gases.


Standards;ASTM D-1248

ERW/LSAW:Ф25-Ф630mm,length: 6m.

SSAW:Ф219mm-Ф3620mm, length:12m.

SMLS : 10.3-1020mm * 2mm-40mm(1/4”- 40”)

WT: 1.24mm - 60mm (SCH10-SCH160)

Length: 5.8M; 6M; 11.8 M, 12M or as customer's requirement



The material of carrier pipe (Inner pipe) can be:

API 5L Gr. B X42 X46 X52 X56 X60.

ASTM A106/53 Gr. A /Gr. B / Gr. C

APL 5CT:J55, K55, N80, L80, C90, T95, P110

DIN 1629: St 37.0, St 44.0, St 52.0

DIN 17175: St35.8, St45.8, 17Mn4, 17Mn5, 15Mn5, 15Mo3, 13CrMo910

EN10240: S235JO, S235JR, S355JR, P265TR1, S355JRH...

(Other material manufactured by Customer’s Demand)


We supply and manufacture HDPE insulation steel pipe in accordance with EN, ASTM, JIS, GB standards, specified delivery conditions and final customer specifications for companies in the machinery, construction, chemical, mining, food, railway and communications, energy and petrochemical, shipbuilding, pharmaceutical, aerospace, plastics and other industries. Special sizes of steel pipes and delivery issues can be further negotiated and we provide a wide range of solutions for purchasing departments to select alternative grades without specifying product specifications.

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