ST52 Seamless Square or Rectangular Steel Pipe

FOB Reference Price:Get Latest Price
$655.00 - $753.00 / Ton | 1 Ton/Tons (Min. Order)
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Quick Details
ASTM A53-2007
Grade Group:
10#-45#, 16Mn, Q195-Q345, ST35-ST52
45#, 16Mn, Q235, Q345, Q195, Q215, St45
0.4 - 50 mm, 0.6 - 50 mm
Section Shape:
Square, Square
Outer Diameter:
15-1000mm, 15x15mm---1000x1000mm
Place of Origin:
Shandong, China
Structure Pipe
Surface Treatment:
Galvanized, black, oil, Black Oil Surface
Special Pipe:
Thick Wall Pipe
Alloy Or Not:
square tube
Q345A,Q345B,20#,45#,Q235 ,SS400
End protector:
Plastic Pipe Cap
Stock or not:
enough Stock
Supply Ability
Supply Ability:
6000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Bundle,standard seaworthy package

Cold drawn Galvanized seamless Square or Rectangular Steel Pipe


Product Description


Product details
Material:  Q345A,Q345B,20#,45#,Q235 ,SS400
Special Pipe:Square and rectangular tube
Outer Diameter:15x15mm---1000x1000mm  
Thickness:0.6 - 50 mm
Section Shape:Square
Place of Origin: Liaocheng, China (Mainland)
Secondary Or Not:Non-secondary
Application:Structure Pipe
Surface Treatment: 
black, oil, Black Oil Surface Or Other Anti-corrosive Treatment
2)oiled,powder coating
3)Galvanized as your requirement
PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional 

and Visual Inspection,  With Nondestructive Inspection

Special Pipe:Square and rectangular tube

End Treatment: 

Plain, Beveled, Or Weld With Flanges
Plastic Caps And Steel Rings Can Be Provided If Possible

Anual Output:50000Tons
Price Item:FOB, CIF, CFR, EXW
Terms of payment: L/C, T/T, Western Union,Cash.
Company Type:Manufaturer,supplier ,trade
End protector:Plastic Pipe Cap
Stock or not: enough Stock
1:Special design available according to requirement 
2:Pipe can be necked dowm, punching hole on pipe wall. 
3:Pipe fittings, elbows are available.
HS CODE:730490000   

Usage:Construction Structure



Product display                                                                                                              



Packaging & Delivery

Package Details :


1.Bundle,standard seaworthy package 
2.Length<5.8M,shipped in 20GP container 
5.8M<Length<11.8M,shipped in 40GP container 
3.Customized package
4.rofessional packing for black square hollow section pipe 
5. by steel strips only 
6. with water-proof cloth wrap 
7. pack in bulk 
8 according to requirements
9.Delivery Time:7-20days






ST450.17-0.240.17-0.370.35-0.650.035 0.035 0.250 0.250 0.250 ≥520≥375≥15
ST52≤0.22≤0.55≤0.16≤0.0350.250 0.250   ≥600≥52014
Q2350.14-0.220.30 0.30-0.650.450 0.050 \\\≥500≥235≥26
Size List


Production Process                                                                    





Workshop and Packaging                                                                    






Customer Visit


About Us

 JIANNING METALS is located in Liaocheng, Shandong province, adjacent to Henan and

Hebei province, which is an important steel and machinery industrial base of north China.


We have 15 professional staffs in our international business team, the managers have

more than 10 years export experiences in the steel and machinery industry and most

of the rest staffs have more than 6 years experience.


The team which is comprised of Sales department, Sourcing and QC department,

Logistics department, Finance and Docs department, can provide the services like

pre-sales consulting, deal negotiation, quality assurance and after-sales services.

Our professional team can ensures  your every procurement be cost saved and risk



The products of our company are:

Carbon steel & Alloy steel seamless pipes, precision steel pipes, honed tubes &

piston rods for hydraulic cylinders, steel coils, steel rods and construction steels.


Except steel raw materials we also provide integrated metal process services.


J&J METAL INDUSTRIES which is an ISO 9001 certified factory, can provide punching,

press forming, welding, CNC turning,bending, wire cutting and laser cutting processes.

We can make customized metal products according to the drawings and samples.


Good and stable quality, reasonable price, on time delivery, nice and efficient services

made us be trusted by the regular customers from more than 30 countries like America,

South Korea, Turkey, Iran, Saudi Arabia, India,Russia, Pakistan, Thailand, Myanmar,

Vietnam, Philippines, Chile, Honduras etc.   


Our business operation concept is: Provide one-stop comprehensive solutions for the

steels sourcing of our customers, create value for customers and achieve mutual benefits.


Our service concept is: To satisfy our customers with good products and services is

just our basic objective and we always strive to exceed customer expectations.


We devote ourselves to improve product quality and service capacities continuously ,

 serve more customers,and let customers make JIANNING METALS to be their first

choice supplier of steel products.  Welcome your contact and visit.



1. Q: Are you trading company or Manufactuer?

   A: Of course, we are manufactuer. We are in field of Square tube and Rectangular tube more than 20 years.


2. Q: What is your delivery time?

   A: As normally, it is 25~60 days after you confirm the order. If your order is urgent, we would like to try our best to meet your requests.


3. Q:What is your main payment term?

   A: They are T/T and L/C. Like 30% advance payment via T/T, balance pay after receive copy BL; 100% irrevocable L/C at sight. If you have any other requests, we can talk it again.


4.Q:What is your main market?

  A:America, India, Korea, Pakistan, Turkey, Iran,Australian and so on.


5. Q:What is your advantage?

   A: We are 9 years'Alibaba gold and verified supplier ; Our trade assurance limit is 296000US Dollars.


6. Q: Why we choose you as our supplier? 

   A: All of our clients have reorders from us.Give us one order, you can feel our price, quality and service. Then, you will know us clearly.