• Rectangular steel tube from cnbm okorder.com System 1
  • Rectangular steel tube from cnbm okorder.com System 2
  • Rectangular steel tube from cnbm okorder.com System 3
Rectangular steel tube from cnbm okorder.com

Rectangular steel tube from cnbm okorder.com

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
50 m.t.
Supply Capability:
20000 m.t./month

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1Structure of Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M

Black square&rectangular pipe welded pipe .factory steel ,ISO 9001

 

2‍‍Main Features of Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 MSpecification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

8 - 33 mm

Section Shape

Round

Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,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 Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M:  

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.

 

6‍‍Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M Images ‍‍

 

Q:Which is cheaper, angle iron or steel pipe?
Steel tube (Steel pipe) production technology development began in the bicycle manufacturing industry, the rise of the early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry of petroleum and natural gas drilling and transportation, will effectively promote the the yield and quality of varieties, the development of steel tube industry.Steel pipe is not only used to transport fluid and powder solid, exchange heat energy, and manufacture mechanical parts and containers, but also is an economic steel. It can reduce weight and save 20 to 40% of metal by using steel pipe to make building structure, network frame, prop and mechanical support. Moreover, it can realize factory mechanization construction. Using steel pipe to manufacture road bridge can not only save steel, simplify construction, but also greatly reduce the area of coating protective layer, save investment and maintenance cost.
Q:How are steel pipes used in water transportation?
Steel pipes are commonly used in water transportation due to their durability and strength. They can be used for various purposes, such as carrying water from a source to a treatment plant, distributing water to different areas, and even for sewage systems. Steel pipes are highly resistant to corrosion and can withstand high pressure, making them ideal for long-distance water transportation.
Q:How are steel pipes used in the manufacturing of chemical processing equipment?
Due to their durability, corrosion resistance, and ability to withstand high temperatures and pressures, steel pipes find common use in the manufacturing of chemical processing equipment. These pipes serve two primary functions within the equipment: as conduits for transporting raw materials and as channels for distributing processed products. Firstly, steel pipes safely and efficiently transport raw materials, such as chemicals and solvents, from storage tanks or external sources to various processing units within the equipment. This ensures accurate and controlled dosage and distribution. Steel pipes are chosen for this task due to their strength, which enables them to handle the high pressures and temperatures associated with chemical processing. Secondly, steel pipes distribute processed products throughout the equipment. Once raw materials have undergone chemical reactions and transformations, the resulting products must be transported to the next stage or collected for further processing. Steel pipes are ideal for this purpose as they can withstand the corrosive nature of many chemicals and the high temperatures encountered during these processes. In addition, steel pipes offer versatility and compatibility with various chemicals and solvents, making them well-suited for use in chemical processing equipment. They can be easily customized to accommodate specific requirements, such as different pipe sizes, shapes, and fittings. This flexibility allows for efficient design and installation, ensuring a seamless flow of materials and products throughout the equipment. In conclusion, steel pipes play a crucial role in the manufacturing of chemical processing equipment by providing a reliable and efficient means of transporting raw materials and distributing processed products. Their durability, corrosion resistance, and ability to withstand high temperatures and pressures make them an essential component in ensuring the safe and efficient operation of chemical processing equipment.
Q:How are steel pipes used in the marine industry?
Steel pipes are commonly used in the marine industry for various applications such as transportation of fluids, structural support, and offshore drilling. They are used for the construction of ships, offshore platforms, and pipelines, as they possess high durability, strength, and corrosion resistance. Additionally, steel pipes are used for cooling systems, ballast transfer, and other critical functions required in marine engineering.
Q:What is the abrasion resistance of steel pipes?
Steel pipes have a relatively high resistance to abrasion. They possess exceptional strength and durability, rendering them resilient against the detrimental effects of friction and impact. This quality positions steel pipes as a prime option for various industries and applications that frequently encounter abrasion, such as mining, oil and gas, and the transportation of abrasive substances. Furthermore, steel pipes can be fortified with coatings or linings to enhance their resistance against abrasion, tailored to meet the unique demands of each application. In conclusion, steel pipes present a dependable and enduring solution for effectively managing abrasive materials and environments.
Q:What are the safety precautions to follow while working with steel pipes?
When working with steel pipes, it is important to follow several safety precautions to ensure a safe working environment. These precautions include wearing appropriate personal protective equipment (PPE), such as gloves, steel-toed boots, and safety glasses, to protect against potential hazards. It is also crucial to inspect the pipes for any defects or damage before use to avoid accidents. Additionally, workers should be trained on proper handling and lifting techniques to prevent strains or injuries. Finally, it is essential to establish clear communication and adhere to safety protocols, such as using caution signs and barriers, to promote a safe work area for everyone involved.
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 used in power plants?
Steel pipes are used in power plants for various purposes such as carrying steam, water, and other fluids, as well as transporting fuel and exhaust gases. They are also utilized in the construction of boilers, heat exchangers, and condensers, ensuring efficient and reliable operation of power generation equipment.
Q:Can steel pipes be used for irrigation systems?
Yes, steel pipes can be used for irrigation systems. They are strong, durable, and resistant to corrosion, making them suitable for transporting water and withstanding outdoor conditions. However, it is important to ensure proper insulation and maintenance to prevent any potential rust or degradation.
Q:How does the price of steel pipes vary based on size and grade?
The price of steel pipes tends to vary based on their size and grade. Generally, larger pipes and higher-grade steel tend to have higher prices due to the increased raw material and manufacturing costs involved. However, market demand and supply dynamics can also play a role in the price fluctuations.

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