• Galvanized welded round tube and square rectangular tube System 1
  • Galvanized welded round tube and square rectangular tube System 2
Galvanized welded round tube and square rectangular tube

Galvanized welded round tube and square rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
3000 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,Forged,Saw,Extruded,EFW
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
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:
10
Length:
6
Net Weight:
2

1Structure of   Galvanized welded round tube and square rectangular tube:

The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.

 

2‍‍Main Features of   Galvanized welded round tube and square rectangular tube:

 

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

 

3  Galvanized welded round tube and square rectangular tube Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, 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:Q195 Q235 Q345 X42 X52

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: 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   Galvanized welded round tube and 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.

 

6‍‍   Galvanized welded round tube and square rectangular tube Images ‍‍

 

Galvanized welded round tube and square rectangular tube

Galvanized welded round tube and square rectangular tube

 

Q: How are steel pipes used in the manufacturing of wastewater treatment systems?
Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.
Q: How are steel pipes used in the manufacturing of shipbuilding and offshore structures?
Steel pipes are essential components in the manufacturing of shipbuilding and offshore structures. They are widely used due to their strength, durability, and resistance to corrosion, making them ideal for the harsh marine environment. In shipbuilding, steel pipes are used for various purposes. One of the main applications is in the construction of the hull, the framework that provides structural support to the ship. Steel pipes are used to form the keel and the frames, which help to maintain the shape and strength of the hull. These pipes are welded together to create a robust and rigid structure that can withstand the forces exerted on the ship during navigation. Moreover, steel pipes are used in the construction of various systems onboard the ship. For instance, they are utilized in the piping system for transporting fluids like fuel, water, and oil throughout the vessel. Steel pipes are also employed in the ventilation and air conditioning systems, ensuring proper airflow and temperature control within the ship. In offshore structures, such as oil rigs and platforms, steel pipes play a crucial role. These structures are typically subjected to extreme environmental conditions, including severe weather, high pressure, and corrosive saltwater. Steel pipes are used to fabricate the legs, risers, and other load-bearing components of offshore structures. These pipes provide the necessary strength and stability, allowing the structure to withstand the forces exerted by waves, wind, and drilling operations. Additionally, steel pipes are utilized in the construction of subsea pipelines. These pipelines are used to transport oil, gas, and other fluids from offshore drilling sites to onshore facilities. Steel pipes are preferred due to their high tensile strength and ability to withstand the high pressure and corrosive conditions found in subsea environments. Overall, steel pipes are indispensable in the manufacturing of shipbuilding and offshore structures. Their exceptional strength, durability, and corrosion resistance make them the preferred choice for constructing hulls, systems, and load-bearing components. Without steel pipes, the construction of ships and offshore structures would be significantly compromised in terms of safety, reliability, and longevity.
Q: How do you calculate the pipe thermal expansion for steel pipes?
To calculate the thermal expansion of steel pipes, you can use the formula: ΔL = α * L * ΔT, where ΔL represents the change in length, α is the coefficient of thermal expansion for steel, L is the original length of the pipe, and ΔT is the change in temperature.
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 underground gas pipelines?
Yes, steel pipes can be used for underground gas pipelines. Steel pipes are often the preferred choice for underground gas pipelines due to their strength, durability, and resistance to corrosion. They can effectively handle the high pressure and extreme temperature variations associated with transporting gas underground.
Q: What is the maximum allowable pressure for steel pipes?
The maximum allowable pressure for steel pipes typically depends on various factors such as the pipe's diameter, thickness, and material grade. Additionally, it is crucial to consider the intended application and the specific industry standards or codes being followed. Therefore, there is no universal answer to this question, as the maximum allowable pressure can vary significantly depending on these factors. It is essential to consult relevant codes and standards specific to the application to determine the appropriate maximum allowable pressure for steel pipes.
Q: What are the environmental impacts of using steel pipes?
The environmental impacts of using steel pipes include the extraction and processing of raw materials, such as iron ore and coal, which contribute to deforestation, habitat destruction, and greenhouse gas emissions. The manufacturing process also generates significant amounts of waste, including slag and emissions from steel production. The transportation and installation of steel pipes contribute to carbon emissions, while their corrosion and maintenance may result in the release of toxic substances into the environment. Proper waste management and implementing sustainable practices can help mitigate some of these impacts.
Q: What are the different standards for steel pipes?
Steel pipes are subject to various standards that guarantee their quality and compatibility in different applications. Some commonly used standards include: 1. ASTM (American Society for Testing and Materials): In the United States, ASTM standards are extensively used to specify different types of steel pipes, such as seamless and welded pipes. These standards cover dimensions, mechanical properties, and general requirements for steel pipes. 2. API (American Petroleum Institute): API standards are specifically tailored for the oil and gas industry. They provide guidelines for manufacturing, testing, and inspecting steel pipes used in oil and gas exploration, production, and transportation. 3. DIN (Deutsches Institut für Normung): DIN standards are widely adopted in Europe and outline specifications for various steel pipe types, including seamless, welded, and cast iron pipes. These standards cover dimensions, materials, and technical delivery conditions for steel pipes used across industries. 4. BS (British Standards): In the United Kingdom, BS standards are widely utilized for steel pipes in construction, engineering, and other sectors. They provide guidelines for dimensions, materials, and manufacturing processes for steel pipes. 5. JIS (Japanese Industrial Standards): JIS standards are extensively used in Japan and define specifications for different types of steel pipes, including seamless, welded, and cast iron pipes. These standards cover dimensions, materials, and technical delivery conditions for steel pipes used in various industries. 6. ISO (International Organization for Standardization): ISO standards are globally recognized and provide specifications for steel pipes used in diverse industries. They cover dimensions, materials, testing, and quality control requirements for steel pipes. It is crucial to note that specific industries and applications may have unique requirements. Therefore, it is essential to refer to the relevant standard for each specific use case. Complying with these standards ensures the safety, reliability, and compatibility of steel pipes in their respective applications.
Q: How to make the internal tooth of the steel pipe?
At present, in our country, 300MW or 600MW or more large capacity sub critical and supercritical thermal power boilers are designed or imported abroad. Membrane internal wall tubes are widely used in membrane water wall.
Q: How do steel pipes perform in seismic zones?
Steel pipes perform well in seismic zones due to their inherent strength and ductility. Their high tensile strength allows them to withstand the horizontal forces exerted during an earthquake, while their ductility allows them to deform and absorb the energy generated by seismic activity. Additionally, steel pipes can be designed and installed with proper reinforcement and bracing systems to further enhance their performance in seismic zones.

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