Anti-corrosion Spiral Steel Pipe

Anti-corrosion Spiral Steel Pipe is a spiral submerged arc welded(SSAW)steel pipe with professional anti-corrosion coating applied on its external and internal surfaces.Based on ordinary carbon steel or alloy spiral pipe,it adopts advanced anti-corrosion technology to effectively isolate moisture,soil corrosion,chemical media and electrochemical erosion,greatly extending service life in buried,underwater and harsh industrial environments.

Main Anti-corrosion Types

3PE/3LPE Coating:Fusion bonded epoxy+adhesive+polyethylene,widely used for oil&gas pipelines

FBE Coating:Fusion bonded epoxy powder,excellent anti-corrosion and adhesion

Epoxy Coal Tar Paint:Economical and durable for water supply,sewage and buried pipelines

Cement Mortar Lining:Protects inner wall from water corrosion,ideal for municipal water pipelines

Polyurethane Coating:Good thermal insulation and anti-corrosion performance

Galvanized&Painting:For general atmospheric and low-corrosion environments

Key Features

Excellent resistance to soil corrosion,chemical corrosion and water erosion

High coating adhesion,not easy to peel or crack

Suitable for long-term buried and underwater service

Stable performance,low maintenance cost

Can be matched with Q235B,Q355B,API 5L and other steel grades

Complete specifications,customizable diameter,thickness and length

Product Specifications

Outer Diameter:DN200–DN3000(219mm–3000mm)

Wall Thickness:5mm–25mm

Length:6m,12m or customized

Standards:GB/T 9711,API 5L,SY/T 0413,DIN 30670

Applications

Buried oil,natural gas and petroleum product pipelines

Municipal water supply,drainage and sewage pipelines

Industrial wastewater and chemical medium pipelines

Water diversion projects,river and lake water pipelines

Harbor,bridge and marine engineering structures

Mine slurry and corrosive fluid transportation