MS carbon ERW welded round pre galvanised steel tube

MS carbon ERW welded round pre galvanised steel tube
MS carbon ERW welded round pre galvanised steel tubeMS carbon ERW welded round pre galvanised steel tubeMS carbon ERW welded round pre galvanised steel tubeMS carbon ERW welded round pre galvanised steel tubeMS carbon ERW welded round pre galvanised steel tube
CategoriesRound steel pipe
AlbumView larger image
Model1/2"~8"
Product NamePre galvanised steel tube
Length6 meter
Zinc Coating60g/m2~120g/m2
FactoryYES
PackageStandard Sea worthy package
Delivery MethodFOB,CFR,CIF,EXW
Third Party TestSupport
Steel GradeQ195,Q235
End FinishPlain end,threaded end,with coupling
Unit PriceUS $ 400-450 / ton
FOB portTianjin,China
Terms of PaymentL/C, Western Union, T/T
Update Time2017-02-28
Detail Information

MS carbon ERW welded round pre galvanised steel tube


ruijie pre galvanized pipe


What is the Pre Galvanised Steel Pipe?


product showThe pre-galvanized welded steel pipe refers to welded tube which undergo degreasing,rush removal,phosphorization,zand drying processes before galvanization.


The treatments before galvanization allow the product to be conveniently plated with a zinc coating,and also ensure uniform coating thickness,strong coating adhesion,and improved corrosion resistance.


The per-galvanized welded pipes are widely used in heat,water,and natural gas supply systems,agricultural greenhouse construction,steel structure construction,as well as low and medium pressure piping system.



How to Produce this Pre Galvanised Round Pipe?


This pre galvanised steel pipe shall be manufactured from pre-galvanized steel conforming to ASTM A53. The coated steel shall be cold formed and welded into tube utilizing the high frequency induction welding process capable of forming a weld bead stronger than the parent metal. The outside coating damaged during welding shall be repaired by metallizing (spraying molten zinc wire). The inside weld area damaged during welding shall be left unprotected.


pre-gi pipe process_01pre-gi pipe process_02pre-gi pipe process_03pre-gi pipe process_04


The zinc coating on the steel sheet shall conform to ASTM A525 Grade G60 and G120. The exterior and interior surface shall have a combined zinc weight ranging from 0.60 oz/sq ft (or 0.45 oz/sq ft each side) to 1.20 oz/sq ft (or 0.60 oz/sq ft each side). These coating weights do not apply to the inside welded area.


The coating of pre galvanised steel pipe is uniform and the thickness of the coating can be maintained as agreed between, which depends on the atmospheric and corrosive environment prevailing at individual sites. The overall look & finish is very aesthetically controlled. Having a homogeneous coating all through, these tubes can easily withstand any mechanical deformation without affecting their catalytic coating and the bonding of zinc coating with the parent material remains unchanged.

RAW Material-Pre Galvanised Steel Strip:

raw material


What Sizes of Pre Galvanised Round Pipe We can supply?

specification_01

Specification_02

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