• Square rectangular tubes of various standard materials System 1
  • Square rectangular tubes of various standard materials System 2
Square rectangular tubes of various standard materials

Square rectangular tubes of various standard materials

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
15000 m.t./month

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Specification

Standard:
EN,DIN,BS,GB,JIS,ASTM,AISI
Technique:
Extruded,ERW,Cold Drawn,Cold Rolled,Hot Rolled,EFW
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,PVDF Coated,Bright,Polished,Dry,Oiled,Color Coated,Copper Coated,Coated,Black
Steel Grade:
SS400-SS490,10#,20#,A53(A,B),600 Series,200 Series,Q235B,Q215B,Q235,Q215,Q195
Certification:
ISO,SGS,BV,IBR,RoHS,CE,UL
Thickness:
0-33mm
Width:
0-400mm
Length:
0-600mm
Net Weight:
0-3

1 Square rectangular tubes of various standard materials

Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.

 

2 Square rectangular tubes of various standard materials

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular tubes of various standard materials

Standard

GB, DIN, ASTM

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1.5 - 25 mm

Section Shape

Square  and rectangular

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Place of Origin

Tianjin, China (Mainland)

Length

3-12M

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Grade 

235B   345B 

Standard

ASME, ASTM

 

1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B

2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm    ,WT: 1.5 - 25 mm   ,length:3-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut ,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5 Square rectangular tubes of various standard materials 

How 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.

How 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.

Why 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.

 

6 Square rectangular tubes of various standard materials

 

Square rectangular tubes of various standard materials

Square rectangular tubes of various standard materials

 

 

Q: Can steel pipes be used for underground stormwater drainage?
Indeed, underground stormwater drainage can utilize steel pipes. These pipes possess durability and boast a high strength-to-weight ratio, rendering them appropriate for subterranean usage. They can endure substantial burdens and fend off corrosion, thus guaranteeing sustained effectiveness within stormwater drainage systems. Furthermore, steel pipes lend themselves to easy welding, facilitating customization and flexibility during both design and installation. Nonetheless, it is imperative to implement adequate corrosion protection measures, such as the application of a protective coating or the utilization of corrosion-resistant alloys, to avert degradation over time. Regular maintenance and monitoring are also advisable to uphold the pipes' integrity and ensure optimal stormwater drainage functionality.
Q: How to identify stainless steel pipe and steel pipe?
Stainless steel (Stainless Steel) is referred to as the stainless steel, the resistance of air, steam, water and other weak corrosive medium or with stainless steel known as stainless steel; while the resistance to chemical corrosion (acid, alkali and salt chemical etching) corrosion of steel called acid resistant steel. Because of the difference in the chemical composition of the two, and make their corrosion resistance is different, ordinary stainless steel is generally not resistant to chemical medium corrosion, and acid resistant steel are generally stainless steel.
Q: What are the different types of couplings used with steel pipes?
There are several types of couplings commonly used with steel pipes, including threaded couplings, slip-on couplings, welding couplings, and flanged couplings. Each type of coupling has its own specific method of connection and is chosen based on the requirements of the application and the pipe system.
Q: What type of steel pipe for security windows?
Stainless steel security window generally use 25 square tubes and 19 round tubes! 25/38 tubes and 22 round tubes are also available!
Q: How are steel pipes used in plumbing?
Steel pipes are commonly used in plumbing for various applications such as water supply and drainage systems. They provide durability, strength, and resistance to corrosion, making them suitable for both residential and industrial plumbing. Steel pipes can be used for transporting water, gases, and other fluids, and are often connected with fittings and valves to create a reliable and efficient plumbing system.
Q: How do steel pipes handle ground freezing and thawing?
Steel pipes are highly resistant to the effects of ground freezing and thawing. The inherent strength and durability of steel make it an ideal material for handling these thermal cycles. When the ground freezes, steel pipes are able to withstand the expansion forces exerted by the freezing water without any significant damage. The structural integrity of steel pipes remains intact even under extreme cold conditions. During thawing, steel pipes also fare well due to their ability to contract without compromising their strength. The material's flexibility ensures that it can accommodate the contraction of the ground without causing any structural issues. Steel pipes do not crack or break when exposed to the rapid temperature changes associated with thawing. Furthermore, steel pipes have a smooth internal surface, which reduces the risk of ice formation and subsequent blockages. This is particularly important in areas with frequent freezing and thawing cycles, as it helps to maintain a consistent flow of fluids or gases through the pipes. In summary, steel pipes are an excellent choice for handling ground freezing and thawing. Their strength, durability, and ability to withstand temperature fluctuations make them a reliable and long-lasting solution in such environments.
Q: Can steel pipes be used for fencing or railing?
Yes, steel pipes can be used for fencing or railing. Steel pipes are durable, strong, and resistant to weather conditions, making them a suitable choice for fencing or railing applications. They provide stability and security while also offering an aesthetically pleasing appearance. Additionally, steel pipes can be easily customized and installed, making them a popular choice for fencing and railing projects.
Q: What are the different methods of pipe support for steel pipes?
There are several different methods of pipe support for steel pipes, each designed to ensure the stability, alignment, and protection of the pipes. Some of the most commonly used methods include: 1. Pipe Hangers: These are devices that suspend or support the weight of the pipe from above. They are typically made of metal and can be adjustable or fixed, allowing for easy installation and maintenance. Pipe hangers can be used in various configurations, such as clevis hangers, beam clamps, or pipe rollers, depending on the specific application. 2. Pipe Shoes: These are supports that are directly attached to the bottom of the pipe, providing a stable resting surface. Pipe shoes are usually made of steel or other durable materials and are designed to prevent pipe movement, absorb vibrations, and distribute the weight evenly. They are commonly used in applications where pipes are subjected to high temperatures or where there is a need for thermal expansion. 3. Pipe Clamps: These are devices used to hold or fasten the pipes together or to a structure. Pipe clamps are typically made of metal and come in various sizes and designs to accommodate different pipe diameters and configurations. They provide support and prevent the pipes from sagging or moving, especially in areas where there are changes in direction or elevation. 4. Pipe Racks: These are structures that are specifically designed to support multiple pipes in an organized and secure manner. Pipe racks are commonly used in industrial settings, such as refineries or power plants, where large quantities of pipes need to be stored or supported. They are typically made of steel and can be customized to accommodate different pipe sizes and layouts. 5. Pipe Guides: These are devices that help guide and control the movement of the pipe, especially during thermal expansion or contraction. Pipe guides are typically fixed to the structure and provide a sliding surface to allow for the longitudinal movement of the pipe. They are commonly used in applications where there are changes in temperature, such as in steam or hot water systems. These are just a few of the many methods of pipe support for steel pipes. The choice of support method depends on factors such as pipe size, weight, temperature, and the specific requirements of the application. It is crucial to select the appropriate support method to ensure the longevity and integrity of the pipes and to prevent any potential issues such as sagging, misalignment, or failure.
Q: How are steel pipes used in the construction of stadiums and arenas?
Steel pipes are commonly used in the construction of stadiums and arenas for various purposes such as structural support, plumbing, and HVAC systems. They provide a strong and durable framework for the building, allowing for large spans and open spaces. Additionally, steel pipes are used for the distribution of water, gas, and waste, as well as for ventilation and air conditioning systems. Overall, steel pipes play a crucial role in ensuring the safety, functionality, and longevity of stadiums and arenas.
Q: What are the applications of stainless steel pipes?
Stainless steel pipes have a wide range of applications in various industries. They are commonly used in plumbing systems, oil and gas transportation, chemical processing, food and beverage production, and pharmaceutical applications. These pipes offer excellent resistance to corrosion, high strength, and durability, making them suitable for environments that require hygienic conditions, high pressure, or extreme temperatures. Additionally, they are often used for structural purposes, such as in construction and architectural projects.

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