• CE standard low carbon square rectangular tube System 1
  • CE standard low carbon square rectangular tube System 2
CE standard low carbon square rectangular tube

CE standard low carbon square rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
13 m.t.
Supply Capability:
9800 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Saw,Extruded,EFW
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0-24
Length:
0-17
Net Weight:
0-18

1Structure of  CE standard low carbon square rectangular tube: 

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.

 

2‍‍Main Features of  CE standard low carbon square rectangular tube:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 CE standard low carbon square rectangular tube Specification

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

 

5FAQ of  CE standard low carbon square rectangular tube:  

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.

 

6CE standard low carbon square rectangular tube Images ‍‍

CE standard low carbon square rectangular tube

CE standard low carbon square rectangular tube

 

 

Q: How are steel pipes classified based on their schedule?
Steel pipes are classified based on their schedule, which refers to the thickness of the pipe walls. The schedule classification system includes different numerical values, such as Schedule 10, Schedule 40, and Schedule 80, to categorize pipes with varying wall thicknesses.
Q: What is the dimensional stability of steel pipes?
The ability of steel pipes to retain their shape and dimensions in different conditions and external forces is referred to as dimensional stability. Steel pipes are well-known for their exceptional dimensional stability due to the inherent properties of the material. Steel, being a strong and rigid material, can maintain its shape even when subjected to high pressure or temperature fluctuations. This characteristic makes steel pipes highly suitable for applications that demand stability and resistance to deformation, such as plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, the dimensional stability of steel pipes is also a result of their manufacturing processes. These pipes are typically produced using methods like seamless or welded construction, ensuring uniformity and consistent dimensions throughout the pipe's length. This precise manufacturing contributes to the dimensional stability of steel pipes. Furthermore, steel pipes are often coated with various protective coatings to increase their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only provide corrosion protection but also enhance the dimensional stability of the pipes by adding an extra layer of strength and durability. In conclusion, the widespread use of steel pipes in different industries is largely attributed to their dimensional stability. Their ability to maintain their shape and dimensions, even in challenging conditions, guarantees reliable and long-lasting performance in various applications.
Q: What is the maximum allowable deflection for steel pipes?
The maximum allowable deflection for steel pipes depends on various factors such as pipe diameter, wall thickness, material strength, and the intended application. It is typically determined by industry standards and specific engineering considerations.
Q: How do you determine the maximum allowable stress for steel pipes?
To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the type of steel, the pipe's dimensions, and the operating conditions under which the pipe will be used. Firstly, the type of steel plays a crucial role in determining the maximum allowable stress. Different grades of steel have varying mechanical properties, including yield strength, tensile strength, and elongation. These properties define the material's ability to withstand stress before deformation or failure. Therefore, understanding the specific grade of steel used in the pipes is vital in determining the maximum allowable stress. Secondly, the dimensions of the pipe are essential. The outer diameter, wall thickness, and length all influence the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can determine the pipe's resistance to bending and axial stresses. These calculations, along with the material properties, help establish the maximum allowable stress. Lastly, the operating conditions under which the pipe will be subjected to are critical. Factors such as temperature, pressure, and the presence of corrosive substances can significantly impact a steel pipe's maximum allowable stress. Elevated temperatures can affect the steel's mechanical properties, while high pressures can induce additional stress. The presence of corrosive substances can lead to material degradation and decrease the pipe's strength. Considering these operational factors is crucial in determining the maximum allowable stress. To sum up, determining the maximum allowable stress for steel pipes involves considering the specific grade of steel, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and used within its safe stress limits.
Q: Can steel pipes be used for transporting drinking water?
Indeed, steel pipes have the capacity to transport drinking water. These pipes are extensively employed in water distribution networks and have a long history of usage. Renowned for their robustness, potency, and ability to resist corrosion, steel pipes are highly favored. Nonetheless, it is imperative to ensure that steel pipes designated for drinking water transportation are adequately coated or lined in order to avert any potential contamination originating from the metal. Moreover, it is crucial to conduct routine inspections and maintenance to safeguard the pipes' integrity and to forestall any leaks or ruptures that could jeopardize the water's quality.
Q: What is the role of steel pipes in power plants?
Steel pipes play a crucial role in power plants as they are used for transporting various fluids, such as water, steam, and fuel, throughout the facility. They provide a durable and reliable means of conveying these substances under high pressure and temperature conditions, ensuring efficient energy generation and distribution. Additionally, steel pipes are essential for the cooling systems in power plants, allowing for the safe transfer of heat from the facility to the environment.
Q: What are the different types of steel pipe supports for high-temperature applications?
There are several types of steel pipe supports designed specifically for high-temperature applications. Some common ones include rigid supports, such as rigid hangers and clamps, which provide strong support and prevent pipe movement. Expansion joints are also used to accommodate thermal expansion and contraction in the pipes. Additionally, spring supports and constant supports are employed to absorb vertical movement and maintain a consistent pipe elevation.
Q: Can steel pipes be used for underground fire hydrants?
Steel pipes are a suitable choice for underground fire hydrants due to their durability, strength, and corrosion resistance. They are commonly used in underground water supply systems, including fire hydrant installations. Furthermore, steel pipes can withstand high water pressures and offer a reliable and long-lasting solution for fire hydrants. However, it is important to ensure that the steel pipes used for underground fire hydrants are adequately coated or lined to prevent corrosion and maintain their structural integrity over time. Regular maintenance and inspections should also be carried out to detect and resolve any potential problems that may arise.
Q: Is the electric pipe used with steel pipe or PVC pipe?
In industrial designs, galvanized steel tubes are generally used for laying electric tubes, especially in the case of explosion protection.The benefits of galvanized steel pipe is not easy to damage, can prevent the destruction and damage of environmental forces to a certain extent, a junction box, check for export, export lines and other accessories, construction and maintenance in explosion-proof environment can be exempted from hot work. The disadvantage is higher cost.The PVC tube is less costly, but less impact resistant.
Q: What are the different grades of steel used in pipe manufacturing?
There are various grades of steel used in pipe manufacturing, including carbon steel, stainless steel, alloy steel, and high-strength low-alloy (HSLA) steel. Each grade has different characteristics and properties, making them suitable for specific applications and environments.

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