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perforated square seamless steel tube

Product Description

Specifications square steel tube


Thickness:0.5mm to 25mm

high quality and good price

Steel material

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235 → Grade D,SS400,S235JR,S235JO,S235J2


BS EN10296,BS EN10025,BS EN10297,BS6323,         BSEN10219,BSEN10217,GB/T13793-1992,GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88


Used For Structure, Accessorize And Construction


1) Plain

2) Beveled

3) Thread with Coupling or Cap

End protector

1)    Plastic pipe cap

2)    Iron protector

Surface Treatment

1)    Bared

2)    Black Painted (varnish coating)

3)    Galvanized

4)    With Oiled

5)    3 PE, FBE, corrosion resistant coating


Electronic Resistance Welded (ERW )

Electronic Fusion Welded (EFW)

Double Submerged Arc Welded (DSAW)



Welded Line Type


Section Shape



With Hydraulic Testing, Eddy Current , Infrared Test


1) Bundle,

2) In Bulk

3) Bags

4) Clients' Requirements


1)    Container

2)    Bulk carrier

Port of Shipment

Xingang Port, China

Date of Delivery

According To The Quantity And Specification Of Each Order

    factory picture:         :                 They are mainly used in Auto/motorcycle /agriculture machinery/railway project/low-high pressure boiler tubes/bearing tubes/ships manufacturing industry/oil and other high standards &demand  processing & manufacturing industries.  

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Product Categories : Engineering Seamless Tubes