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25x25 MS carbon square steel tube

25x25 MS carbon square steel tube

25x25 MS carbon square steel tube

Product Details:

Place of Origin: Shandong
Brand Name: KWAYT
Certification: sgs

Payment & Shipping Terms:

Minimum Order Quantity: 10tons
Price: 510-590$ FOB Price
Packaging Details: export package or as your request
Delivery Time: 25-30 days
Payment Terms: T/T,L/C at sight
Supply Ability: 3000-5000 tons each month
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Detailed Product Description
Thickness: 0.4-10mm Length: 3-12M

 Qingdao Kwayt Co.,Ltd

25x25 MS carbon square steel tube


25x25 MS carbon square steel tube
25x25 MS carbon square steel tube25x25 MS carbon square steel tube


Size: OD 10x20mm-400x800mm 20*20-500*500MM
Wall Thickness 0.4mm-25mm
SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc.
Length 1-12m
Steel material

Q195 → Grade B, SS330,SPHC, S185
Q215 → Grade C,CS Type B,SS330, SPHC
Q235 → Grade D,SS400,S235JR,S235JO,S235J2


Standard BS EN10296, BS EN10025, BS EN10297, BS6323,  BSEN10219, BSEN10217, GB/T13793-1992, GB/T14291-2006, GB/T3091-1993, GB/T3092-1993, GB3640-88
Usage Used For Structure, Accessorize And Construction
Ends 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
Technique Electronic Resistance Welded (ERW )
Electronic Fusion Welded (EFW)
Double Submerged Arc Welded (DSAW)
Type Welded
Welded Line Type Longitudinal
Section Shape Rectangular/square
Inspection With Hydraulic Testing, Eddy Current , Infrared Test
Package 1) Bundle,
2) In Bulk
3) Bags
4) Clients' Requirements
Delivery 1) Container
2) Bulk carrier
Portof Shipment QingdaoPort, or Xingang port in Tianjin, China
Date of Delivery Within 15-20 days after we receive deposit or L/C at sight.
Payment L/C at sight or T/T
Deliver Conditions Shipping Transport or Cargo
Certificate ISO9001
Supply Ability 50,000MT per month
MOQ Any quantity for regular sizes
Others Fitting as screws and flange also can be supplied.
1. We can supply you with reasonable and competitive price and good quality products.
2. If you are interested in any of products, please contact us for more information.


 Surface Treatment:

25x25 MS carbon square steel tube

Production process:

25x25 MS carbon square steel tube



25x25 MS carbon square steel tube

25x25 MS carbon square steel tube


25x25 MS carbon square steel tube




Company Information

25x25 MS carbon square steel tube

Qingdao Kwayt Co.,Ltd is the subsidiary company of Shandong Hongsheng Steel Pipe Co., Ltd.which is engaged in exportation of steel pipes and fittings. Shandong Hongsheng Steel Pipe Co., Ltd.  is the largest manufacturing and sales enterprise for galvanized steel pipe ,seamless steel pipe and fittings in the north of Shandong Province.Our factory supply galvanized steel pipe,stainless steel pipe,carbon steel pipe, alloy steel pipe, ERW/SSAW/ LSAW PIPE, API pipe,pipe fitting.  


  Our products are widely used in petroleum, chemical, power and gas, oil and gas well field casing and tubing, high pressure boiler tube, drinking water, fire, high-speed fence construction, steel tube, etc.


Welcome to visit our factory !!

25x25 MS carbon square steel tube

25x25 MS carbon square steel tube

Packaging & Shipping


25x25 MS carbon square steel tube







1.Are u a trade company or a manufacturer?


Qingdao Kwayt Co.,Ltd is the subsidiary company of Shandong Hongsheng Steel Pipe Co., Ltd. We are a factroy


  2.What are your main products?


 Carbon welded/seamless steel pipesPre galvanized welded/seamless steel pipesSome alloy  steel pipes.


 3.Do u supply other products?


 Yes,We still supply all kinds of stainless steel pipe ,ERW/SSAW/LSAW steel pipe,pipe  fittings,flanges.


 4.Why should I choose you?


* contact us with your detailed inquiry, you will be replied within 24 hours.


* You are promised to obtain the best quality, price and service. 


* We'd like to provide samples for your confirm. 


 Wide excellent experiences with after-sale service.


*Every process will be checked by responsible QC which insures every product's quality.


5.Can you supply samples for our reference?


 Yes,we always supply FREE samples.



My Contact

 Any question about Mild Carbon Steel Square Tube ,Q235 carbon erw square tubing ,pls feel free to contact me !!!


Company Name Qingdao Kwayt Co.,Ltd
Factory Name Shandong Hongsheng Steel Pipe Co.,Ltd
Company Address

Room4002,5th Building, Xin'an Industrial Park Area B,

Qingdao Economic and Technical Development Zone,China.

Contact Person Grace Zhang
Tel 86-532-86949292
Fax 86-532-86943002
Whatsapp 008615965584189
Skype kwayt0312
Mob 0086-150965584189
Postcode 266555

Contact Details
Kwayt Group Limited

Contact Person: Ms. Grace

Tel: 0086-15965584189

Fax: 86-532-86943002

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Kwayt Group Limited
Xin'an Industrial Park Area B,Huangdao District
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