• Square Steel Pipe from Okorder in China CNBM System 1
  • Square Steel Pipe from Okorder in China CNBM System 2
  • Square Steel Pipe from Okorder in China CNBM System 3
Square Steel Pipe from Okorder in China CNBM

Square Steel Pipe from Okorder in China CNBM

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
3000 m.t./month

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Product Description:


1、Structure of Square Steel Pipe Description: 

    The square Steel pipes 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 pipes, square steel pipes are little more efficient. The reason is that the square column is more efficient than the solid circular column.



2、Main Features of the  Square Steel Pipe: 

·Prompt delivery

·Time-saving 
·High quality 

·Competitive price 



3、Square Steel Pipe Images: 

Square Steel Pipe from Okorder in China with High Quality


Square Steel Pipe from Okorder in China with High Quality


Square Steel Pipe from Okorder in China with High Quality


 


4、Square Steel Pipe Specification: 

Standard

JIS,GB,DIN,ASTM

JIS G3466, GB/T 3094-2000, DIN EN 10216-1-2004, ASTM A513-2007

Grade 

Cr-Mo alloy, 16Mn, A53-A369, Q195-Q345

30CrMo, 16Mn, A106(B,C), Q235, Q345, Q195, Q215

Thickness0.5 - 30 mm
Outer  Diameter10x10---600x600
TechniqueCold Drawn
ApplicationStructure Pipe
Certification
ISO9001
Surface TreatmentGalvanized


cold rolled square pipe:

1) Size: different sizes according to customers' requirement
2) Grade: many different kinds of materials.

3) Standard: GB50205-2001, JIS, ASTM and EN
4) Detailed requirement please feel free to contact

5)Specification:GB6728,DIN,JIS,ASTM-A500

6).Grade:Q195,Q235,Q345,ST37-2,ST52-3,SS400,SS355


Length: 5.8m, 6m, 12m

size

thickness

15*15

0.6—1.2

18*18

0.6—1.5

19*19

0.6—1.5

20*20

0.6—1.5

25*25

0.7—1.5

30*30

0.6—2.0

32*32

0.7—3.0

38*38

0.6—2.0

40*40

0.7—3.0

45*45

0.6—2.0

50*50

0.8—3.0

60*60

0.8—4.0

75*75

1.4—3.75

80*80

1.4—4.0

100*100

1.2—6.0

110*110

4.0—8.0

120*120

4.0—8.0

130*130

4.0—8.0

140*140

4.0—8.0

150*150

4.0—8.0

160*160

4.0—8.0

170*170

4.0—8.0

180*180

4.0—8.0

190*190

4.0—10.0

200*200

4.0—10.0


 


5、FAQ of Square Steel Pipe: 


①How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


②How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.


③ How can we get more information?

You can contact us by Email or call us directly and we will do our best to give you valuable information as much as possible but this service is not available on weekends

Q: How are steel pipes insulated to prevent noise transmission?
Steel pipes are typically insulated to prevent noise transmission through the use of materials such as mineral wool, fiberglass, or foam. These insulation materials are wrapped around the pipes to create a barrier that absorbs and reduces sound waves, preventing them from traveling and causing noise transmission.
Q: How do you determine the weight per foot of a steel pipe?
To ascertain the weight per foot of a steel pipe, there are two primary factors to consider: the pipe's thickness and diameter. Initially, it is necessary to measure the pipe's outer diameter (OD) and wall thickness (WT) using either a caliper or a measuring tape. Upon obtaining these measurements, the inner diameter (ID) can be determined by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Subsequently, utilize the formula for the cross-sectional area of the pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Lastly, multiply the cross-sectional area by the steel's density, typically around 490 pounds per cubic foot, to derive the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It is vital to acknowledge that this calculation provides an approximation of the weight per foot, as manufacturing tolerances and slight variations in steel density may impact the actual weight. Thus, it is advisable to employ this calculation as a reference and consult the manufacturer's specifications for more accurate information.
Q: Are steel pipes resistant to electromagnetic interference?
Yes, steel pipes are generally resistant to electromagnetic interference due to their conductive properties. The metallic nature of steel allows it to effectively shield against electromagnetic waves, making it a suitable choice for applications where electromagnetic interference needs to be minimized or avoided.
Q: What are the different end finishes available for steel pipes?
There are several different end finishes available for steel pipes, depending on the specific application and requirements. Some of the most common end finishes include: 1. Plain End: This is the simplest and most common type of end finish, where the pipe ends are cut square and left plain without any additional treatment or threading. 2. Beveled End: A beveled end is an angled cut made at the end of the pipe, usually at a 30-degree angle. This allows for better welding and ensures a smooth transition between pipes. 3. Threaded End: Threaded ends are commonly used for pipes that need to be connected with other components using threaded fittings. The ends of the pipe are cut with external threads, allowing for easy assembly and disassembly. 4. Coupling End: Similar to threaded ends, coupling ends have internal threads instead of external threads. This allows for the connection of pipes using couplings or connectors. 5. Grooved End: Grooved ends are commonly used for pipes in fire protection systems or other applications that require quick and easy installation. The ends of the pipe are grooved, and then a coupling is used to connect and secure the pipes. 6. Flanged End: Flanged ends have a flat, wide surface with holes for bolts. This type of end finish is used when the pipe needs to be connected to other components using flanges, such as in piping systems or equipment connections. Each of these end finishes serves a specific purpose and is chosen based on the requirements of the application. The end finish selected will depend on factors such as the type of connection needed, the pipe's intended use, and the specific industry standards and regulations that apply.
Q: How are steel pipes installed underground?
Steel pipes are installed underground through a process called trenching, where a trench is dug in the ground according to the desired pipe route. The trench is then prepared by removing any hindrances and ensuring a level base. The steel pipes are laid into the trench, with proper alignment and connections between sections. Once in place, the trench is backfilled with soil, compacted, and any necessary restoration work is done on the surface.
Q: Can steel pipes be used for conveying hazardous chemicals?
Yes, steel pipes can be used for conveying hazardous chemicals. Steel pipes are known for their high strength and durability, making them suitable for handling various substances, including hazardous chemicals. They can withstand high pressure and temperature, ensuring the safe transportation of these chemicals. Additionally, steel pipes have excellent resistance to corrosion, which is crucial when dealing with corrosive and potentially dangerous substances. Moreover, steel pipes can be easily welded and connected, allowing for a secure and leak-proof transport system. However, it is important to consider the specific requirements of the chemicals being transported and ensure that the steel pipes are properly designed, coated, and maintained to prevent any potential risks or reactions with the hazardous substances.
Q: What are the common sizes of steel pipe fittings?
The common sizes of steel pipe fittings can vary depending on the specific application and industry standards. However, there are several standard sizes that are commonly used across different industries. These sizes range from ¼ inch to 48 inches in diameter. Some of the most common sizes include ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 4 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 30 inch, 36 inch, 42 inch, and 48 inch. These sizes are often available in various lengths to accommodate different installation requirements. It is important to consult industry standards and specifications to determine the appropriate size of steel pipe fittings for a specific project.
Q: Is the seamless steel pipe used in the market hot or cold drawn?
Seamless pipe hot rolling, cold rolling, cold drawn three kinds. Among them, the amount of hot rolling, the largest quantity, the price is relatively cheap. Precision, roughness, mechanical properties, cold drawn and cold rolled are better. Of course, the specific use of your requirements, not expensive
Q: Can steel pipes be used for paper mills?
Yes, steel pipes can be used for paper mills. Steel pipes are widely used in various industries, including paper mills, due to their durability, strength, and resistance to corrosion. These pipes are commonly used for transporting water, chemicals, steam, and other fluids within the paper mill facilities.
Q: What are the different grades of steel used in pipe manufacturing?
The different grades of steel used in pipe manufacturing vary depending on the intended use and specific requirements. Some common grades include carbon steel (such as ASTM A106 or API 5L), alloy steel (such as ASTM A335), stainless steel (such as ASTM A312), and duplex steel (such as ASTM A790). These grades have different chemical compositions and mechanical properties to suit various applications in industries like oil and gas, construction, and plumbing.

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