Square Tube with Low Price in China from okorder.com

Square Tube with Low Price in China from okorder.com System 1

Square Tube with Low Price in China from okorder.com

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

SIMPLE DESCRIPTION:

Square pipe/rectangular pipe
O.D	square:1515--500500mm
W.T	0.5mm-13mm
Length	5.8-12m or according to customers' demand.
Surface Treatment	Black finished /Galvanized/ Anticorrosion
International Standard	ISO 9000: 2008
Standard	GB/T6725, GB/T3094, ASTM A500, EN10210 and so on
Material	Q195/Q235/Q345, ST52-3,S235,S355 ect
Technique	Welded(electric resistance welding)
Packing	In bundles or according to customers' demand.
Usage	For construction and so on.
Place of Origin	Tianjin, China
Alloy or not	Non-alloy

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:

Square Tube with Low Price in China from okorder.com

Packaging & Delivery

Packaging Details	In Bundles, Varnish coating, Ends can be bevelled or square cut, End capped.
Delivery Details	10 days

D. Square Tube Specification：

Standard	JIS, 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
Thickness	1-50mm
Outer Diameter	1515---8080
Technique	Hot Rolled
Certification	API
Surface Treatment	Copper Coated
Alloy Or Not	Non-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 !‍

Q: Can steel pipes be used in plumbing systems?: Yes, steel pipes can be used in plumbing systems. Steel pipes are commonly used for plumbing due to their durability, strength, and resistance to corrosion. They are suitable for both residential and commercial plumbing applications and can effectively transport water, gas, and other fluids.

Q: How are steel pipes used in desalination plants?: Steel pipes are used in desalination plants to transport and distribute the seawater and treated water throughout the facility. They are durable and resistant to corrosion, ensuring the efficient and reliable movement of water in the desalination process.

Q: What are the different methods of pressure testing steel pipes?: There are several methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and applying pressure to check for leaks or weaknesses. Pneumatic testing uses compressed air or gas to pressurize the pipe and detect any leaks or failures. Ultrasonic testing utilizes high-frequency sound waves to inspect the pipe's integrity by detecting any flaws or defects.

Q: How do you calculate the pipe friction loss for steel pipes?: To calculate the pipe friction loss for steel pipes, you need to use the Darcy-Weisbach equation. This equation is commonly used in fluid dynamics to determine the pressure drop or friction loss due to the flow of fluid through a pipe. The equation is as follows: ΔP = (f * L * ρ * V²) / (2 * D) Where: ΔP = Pressure drop or friction loss f = Darcy friction factor L = Length of the pipe ρ = Density of the fluid V = Velocity of the fluid D = Diameter of the pipe The Darcy friction factor (f) is a dimensionless value that depends on the Reynolds number (Re) and the relative roughness (ε/D) of the pipe, where ε is the absolute roughness of the pipe. To determine the friction factor, you can use various correlations or Moody's diagram. Once you have the friction factor, you can plug in the values for length, density, velocity, and diameter into the equation to calculate the pressure drop or friction loss. It is important to note that the units of all the variables should be consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) to obtain accurate results. By using this equation and obtaining the necessary parameters, you can calculate the pipe friction loss for steel pipes, which is crucial in designing and analyzing fluid flow systems.

Q: How are steel pipes insulated to prevent heat gain?: Steel pipes are typically insulated using materials such as fiberglass, foam, or mineral wool. These insulation materials are wrapped around the steel pipes to create a barrier that reduces heat transfer. The insulation helps to prevent heat gain by minimizing thermal conductivity and keeping the temperature of the pipes stable, which is crucial for maintaining the integrity and efficiency of various industrial processes.

Q: Difference between seamless steel pipe and welded pipe: Seamless steel tubes are made of high quality carbon or alloy steel. They are hot-rolled and cold-rolled (drawn).The welded pipe is rolled into the steel tubular to sew or spiral seam welded in the manufacturing method, and is divided into low pressure fluid delivery with welded steel pipe, spiral welded steel pipe, welded steel pipe, welded pipe roll etc..

Q: Seamless steel tube with the tube with what is the difference?: Seamless pipe can withstand ultra-high pressure, of course, its wall thickness will increase, which needs to be designed according to pressure requirements. It is generally used in high-pressure oil pipes, boiler tubes and other high temperature and high pressure equipment. There are also seamless tubes for structural purposes, depending on the design requirements.

Q: How do steel pipes differ from other types of pipes?: Steel pipes possess several distinct characteristics that set them apart from other pipe types. Primarily, their strength and durability are well-known. They exhibit remarkable resistance to heat, pressure, and corrosion, rendering them suitable for numerous applications. Additionally, their robustness allows them to bear heavy loads and offer an extended service life. One distinguishing feature of steel pipes lies in their versatility. They can be manufactured in various shapes and sizes to fulfill specific project requirements. This adaptability has contributed to their popularity across a diverse range of industries, including construction, oil and gas, water treatment, and manufacturing. Moreover, steel pipes exhibit exceptional thermal conductivity, facilitating efficient heat transfer between different areas. Consequently, they prove suitable for applications involving heating and cooling systems, as well as the transportation of hot fluids or gases. Furthermore, steel pipes are renowned for their resistance to fire. They possess a high melting point and are not easily ignited or conducive to the spread of flames. This characteristic is particularly critical in applications where fire safety is a concern, such as buildings or industrial facilities. Lastly, although steel pipes may entail a higher initial cost compared to other pipe types, their long-term benefits, such as durability and low maintenance requirements, often outweigh the initial investment. Additionally, steel pipes are highly recyclable, making them an environmentally friendly choice. In summary, steel pipes stand out due to their strength, durability, versatility, excellent thermal conductivity, fire resistance, and recyclability. These remarkable qualities establish steel pipes as the preferred option for a wide range of applications across various industries.

Q: How are steel pipes used in the manufacturing of wind turbines?: The manufacturing process of wind turbines relies heavily on steel pipes, which are essential components for constructing both the tower and the foundation. The tower, a tall and sturdy structure, is typically made by welding together large steel pipes. These pipes are responsible for providing the necessary strength and stability to bear the weight of the entire wind turbine and withstand the powerful forces generated by the rotating blades. Apart from the tower, steel pipes are also crucial in building the foundation of the wind turbine. The foundation requires a solid and stable base to ensure the turbine remains upright and secure. To achieve this, deep foundation piles made of thick-walled steel pipes are commonly used. These piles are driven deep into the ground to anchor the wind turbine and prevent it from toppling over. Furthermore, steel pipes are utilized in the transportation of the electricity generated by wind turbines. Once the wind energy is converted into electrical energy, it is transmitted through an internal electrical system to the base of the tower. From there, the electricity is often transferred through underground cables to a substation, where it is distributed into the power grid. Steel pipes are employed to protect and encase these cables, ensuring insulation and safe transmission of electricity. In summary, steel pipes play a critical role in wind turbine manufacturing by providing structural support, stability, and efficient electricity transmission. The durability and strength of steel make it an ideal material for enduring the harsh environmental conditions and immense forces associated with the operation of wind turbines.

Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?: Carbon steel is actually relative to alloy steel, mainly carbon content, and 20# seamless steel is carbon steel! In addition, there are stainless steel, stainless steel is considered a kind of alloy steel, but the processing is not the same, the performance is not the same, good looking outside!The description of the material in alloy steel is actually the content of the metal elements in the steel (usually the percentage number).

Send your message to us

*Email

*TEL

*Quantity

*Unit