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Hollow section black annealing ms square steel pipe

Product Description

Hollow section black annealing ms square steel pipe


ERW Black Steel Pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. These tubes & pipes are available in varying qualities, wall thickness, diameters and finishes depending on the requirement of the end-users.

In manufacturing these ERW pipes & tubes, we utilize superior quality, continuous casted, fully killed, fin-grain, control-rolled, low carbon steel. High strength corrosion resistance, high malleability, superior strength, sturdy & durability are the special features of high performance ERW steel pipes & tubes that are manufactured by us.

Being a quality conscious manufacturer & exporter, our ERW steel pipes and tubes are processed through numerous tests including a hydro-test, an ultrasonic weld inspection, bevel check, micrometer check, straightness evaluation, and ring gouge to ensure it's quality.

Application Areas : 

Structural and engineering purposes : Fencing, line pipes, scaffolding,Water and gas conveyance , oil country tubular, Automobiles Sector (Tremendous increase in usage in recent years), Agriculture Sector

Hand pumps for deep boring wells , Drinking water in housings


Products name

ERW  black square steel tube



Welded line type



Side length:10*10mm-300*300mm WT:0.5-10mm


Q195 Q215 Q235 Q345 


ASTM-A500 GB/T6728  JIS-G3466




Bare bundle or as customer's request


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Contact us if you need more details on Steel Square Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Square Pipe、Hollow Section Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Steel Products > Steel Tube&Pipe

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