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Large Diameter Spiral Steel Pipe

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Large Diameter spiral steel pipe refers to the spiral steel pipe in big size, which is generally required to be more than 1000mm in diameter.

Product Description

Large Diameter spiral steel pipe refers to the spiral steel pipe in big size, which is generally required to be more than 1000mm in diameter.


Large diameter spiral welded pipe production process: First the steel belt bending molding, and then welded up, made into a specified size of large-caliber spiral welded pipe, processed into a pipe, to carry out hydraulic testing, bending, flattening and other tests, and according to customer requirements for large diameter spiral welded pipe internal steel support. Can also be done in the interior coating anti-corrosion. 


Large diameter spiral welded pipe is mainly used: municipal construction of underground fluid pipeline, chemical industry, agroforestry irrigation and so on.

STANDARDASTM, GB, API, JIS, BS, DIN, YB, SNY, etc
MATERIALQ235, Q195, Q345, Q215, 
SPECIFICATIONOuter diameter: 1000mm-3620mm
Wall thickness: 2.5mm-30mm
Length: 6m-12m or as requested
SEAMSAW(Spiral welded),SSAW(Spiral submerged-arc welded)
SURFACEBlack painted, PE/PVC/PP coated, epoxy coating
ENDplain end
END PROTECTORIron protector
PACKAGEStandard export package, suit for all kinds of transport or as required.
APPLICATION1) General service for industries ( petroleum, chemical, aviation, etc.)
2) Fluid, gas and oil transport,
3) Press and heat transmission,
4) City construction, etc.