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Quick Details

  • Standard: ASTM, BS, ASTM A53-2007, BS 1387, BS 4568, BS EN10217, BS EN10219
  • Grade: Q195-Q345, Q195, Q215, Q235
  • Thickness: 1.2 - 17.75 mm
  • Section Shape: Square
  • Outer Diameter: 20*20-500*500
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: ERW
  • Certification: ISO certificate
  • Surface Treatment: galvanized
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Process: ERW and Hot Dip Galvanized
  • Regular Length: 5.8m/6m or customized

Packaging & Delivery

Packaging Details Export standard package by bundle or customized
Delivery Time Shipped in 20 days after payment

square and rectangular hollow steel pipe manufacturer for furniture

lengthLength can be customized,Maximum 8M
Steel GradeIS 3589, IS 1239, IS:1161 Fe 330, Fe 410)
BS 1387, BS4568, S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH
S355J2H, St12, St13, St14, St33, St37, St44, ST52
JIS G3444 STK290,STK400,STK500,STK490,STK540
materialQ195—Grade B, SS330, SPC, S185,ST37
Q215—Grade C,CS Type B, SS330, SPHC
Q235---Grade D, SS400, S235JR, S235JO, S235J2
Q345---SS500, ST52
10#,20#,45#, etc
Surface treatment1)Oiled
2) Galvanized
3)3PE Anti-corruption coated
4) Color  Painted (Black / Red / Varnish coating)
5)As per customer's requirements
Zinc coating40g,60g,80g,100g,120g,270g,400g,500g,550g
7μm ,8μm, 15μm ,20μm ,40μm ,60μm,70μm,80μm
 application1)Construction steel pipe shipbuilding, bridging and automobile chassis
2)Steel structure.decoration , agriculture post ,etc.
Package1)Big size: in bulk
2) Small size: packed by bundle with steel strips
3)Water proof  plastic wrap
4)As per customer's requirements
DeliveryAccording To The Quantity And Specification Of Each Order
Advantage1) Prime quality for good price
2)Fast delivery
3) 17 years of production and export experiences, remakeble aftersale. 
TechniqueElectronic Resistance Welded (ERW )
MarkingPrinting marks as per customer's request 
Welded Line TypeLongitudinal
Test CertificateManufacturer Test Certificate.
Laboratory Test Certificate from Govt. Approved Lab.
Under Third Party Inspection with Excise Gate Pass to avail Modvat benefit.
InspectionWith Hydraulic Testing, Eddy Current , Infrared Test
PaymentT/T, L/C at sight, LC 30days LC 90days and etc.
More products

    As a manufacturer of Steel Pipe, our main products are Black Steel Pipe (ERW Steel Pipe), Galvanized Steel Pipe, Black Square / Rectangular Steel Pipe, Galvanized Sqaure/ Rectangular Steel Pipe. 

1. Black Steel Pipe 


2. Galvanized Steel Pipe 


Specifications of our round steel pipe:


3. Black Square/ Rectangular Steel Pipe (Hollow Section ):


4. Galvanized Square / Rectangular Steel Pipe: 

Regular Specification of Square/Rectangular Steel Pipe 

Demention  : 15 mm*15mm to 500mm*500 mm



Production Flow

Black round Steel Pipe:      

Square / Rectangular Steel Pipe: 


Hot-Hot-dip Galvanizing  the black steel pipe & Square/rectangular steel pipe:

     We have own Hot-dip Galvanizing production lines , so all the black pipes we produced  (round & square/ rectangular ) can be galvanized .    


Packing :  Export standard Package by bundle


Overview of Factory

     We Tianjin Hengji Steel Co., Ltd  established in May 2000. Our factory covers a land area of approx.173000sqm.  At present we have 13 ERW Steel Pipe production lines , 4 Hollow Section Steel Pipe lines and 4 hot dip Galvanized pipes lines. 


Our ISO Certificate: 



If you are interested in our Steel Pipe ( Black  steel pipe/ Galvanzied steel pipe/Square  or rectangular steel pipe and Galvanized ones ) , please feel free to contact us. Your any request will get prompt reply .


We are looking forward to cooperating with you. 



Black Steel Pipe (ERW Steel Pipe), Galvanized Steel Pipe, Black Square / Rectangular Steel Pipe, Galvanized Sqaure/ Rectangular Steel Pipe. 


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China (Mainland) | Manufacturer, Trading Company
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Domestic Market 100.00%
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