Square Tube with Low Price in China from okorder.com

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25 m.t.
Supply Capability:
20000 m.t./month

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Product Description:


Square pipe/rectangular pipe
Length5.8-12m or according to customers' demand.
Surface TreatmentBlack finished /Galvanized/ Anticorrosion
International StandardISO 9000: 2008


GB/T6725, GB/T3094, ASTM A500, EN10210  and so on


Q195/Q235/Q345, ST52-3,S235,S355 ect


Welded(electric resistance welding)


In bundles or according to customers' demand.


For construction and so on.

Place of Origin

Tianjin, China

Alloy or not



A. Structure of Square Tube Description: 

    The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. The reason is that the square column is more efficient than the solid circular column.

B. Main Features of the Square Tube: 

high quality and low peice 
quick delievry 
in stock 
produced by own factory 
authentication:CANS CNAB IAF PAC CEC 

C. Square Tube Images:

Packaging & Delivery

Packaging DetailsIn Bundles, Varnish coating, Ends can be bevelled or square cut, End capped.
Delivery Details10 days 

D. Square Tube Specification:

  • StandardJIS, GB, DIN, ASTM
    JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, JIS G3441, GB/T 8163-1999, GB/T 8162-1999, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ANSI A213-2001, ASTM A179-1990
    Grade 10#-45#, Cr-Mo alloy, Mo, Q195-Q345, CrNi alloy
    10#, 20#, 45#, 15CrMo, 12CrMo, 13CrMo44, 12CrMo195, 16Mo, 16mo3, Q235, Q345, Q195, Q215, Cr17Ni8, 1Cr13Mn9Ni1N
    Outer Diameter15*15---80*80
    TechniqueHot Rolled
    Surface TreatmentCopper Coated
    Alloy Or NotNon-alloy

standard: ASTM JIS DIN GB 
size: O.D: 10*10——50*50 mm
          W.T: 1-50 mm

length: 6-12m or as request

packing: paint,bundles or for the clients’ needs

E. FAQ of Square Tube: 
①How is the quality of your products?

Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?

Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?

Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

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