• Steel Pipe eamless Steel Tube for Gas Cylinder  Seamless Steel Pipe System 1
  • Steel Pipe eamless Steel Tube for Gas Cylinder  Seamless Steel Pipe System 2
  • Steel Pipe eamless Steel Tube for Gas Cylinder  Seamless Steel Pipe System 3
Steel Pipe eamless Steel Tube for Gas Cylinder  Seamless Steel Pipe

Steel Pipe eamless Steel Tube for Gas Cylinder Seamless Steel Pipe

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
8000 m.t./month

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1、Structure of Welded Steel Pipe API SPEC 5CT:

Welded Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe. 

 

2、‍‍Main Features of Welded Steel Pipe API  5CT:

• High manufacturing accuracy

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price  

 

3、Welded Steel Pipe API  5CT: Specification:

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#.

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.
4、Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5、FAQ of Welded Steel Pipe API SPEC 5CT:  

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
 

6、‍‍ Welded Steel Pipe API SPEC 5CT: Images: ‍‍

 

 

 

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:Can steel pipes be used for oil well casing?
Yes, steel pipes can be used for oil well casing. They are commonly used in the oil and gas industry due to their durability, strength, and ability to withstand high pressure and extreme conditions found in oil wells.
Q:What are the different types of steel pipe coatings for nuclear power plants?
There are several types of steel pipe coatings used in nuclear power plants, including epoxy coatings, polyethylene coatings, fusion bonded epoxy coatings, and coal tar enamel coatings. These coatings are applied to steel pipes to provide protection against corrosion, enhance durability, and maintain the integrity of the pipes in the demanding environment of nuclear power plants.
Q:What are the different standards for steel pipe manufacturing?
There are several different standards for steel pipe manufacturing, including ASTM (American Society for Testing and Materials), ASME (American Society of Mechanical Engineers), API (American Petroleum Institute), and DIN (Deutsches Institut für Normung). These standards provide specifications for various aspects of steel pipe production, such as dimensions, chemical composition, mechanical properties, and testing procedures. Compliance with these standards ensures the quality and reliability of steel pipes for different applications and industries.
Q:How do you calculate the pipe thermal expansion for steel pipes?
To calculate the pipe thermal expansion for steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material, the temperature change, and the length of the pipe. The CTE is a measure of how much a material expands or contracts with temperature changes. For steel, the average CTE is typically around 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value can vary depending on the specific grade of steel. Next, determine the temperature change that the pipe will experience. This can be the difference between the operating temperature and the ambient temperature, or the change in temperature due to the fluid or gas flowing through the pipe. Finally, calculate the thermal expansion using the formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE is the coefficient of thermal expansion - Length is the length of the pipe - Temperature Change is the difference in temperature For example, if you have a steel pipe with a length of 10 meters (32.8 feet) and a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), and assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would be: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means the pipe would expand by 12 millimeters due to the temperature change. It's important to note that this calculation provides an estimate of the thermal expansion, but other factors such as pipe supports, restraints, and the specific application should also be considered to ensure the proper design and installation of the steel pipe system.
Q:How are steel pipes used in natural gas processing plants?
Steel pipes are used extensively in natural gas processing plants for various purposes, including the transportation of natural gas, the transfer of various fluids, and the construction of pipelines and infrastructure. These pipes are highly durable, resistant to corrosion, and can withstand high pressure, making them ideal for safely transporting natural gas and other substances throughout the facility.
Q:What are the different grades of steel used in pipes?
There are several different grades of steel used in pipes, including carbon steel, alloy steel, and stainless steel. Carbon steel pipes are commonly used for general-purpose applications, while alloy steel pipes are often used in high-temperature and high-pressure environments. Stainless steel pipes are known for their corrosion resistance and are frequently used in industries such as chemical, food processing, and pharmaceuticals.
Q:What is the maximum bending radius for steel pipes?
The maximum bending radius for steel pipes typically depends on the specific grade and diameter of the pipe, but generally, it ranges from three to five times the pipe's outer diameter.
Q:Seamless steel tube DN15 specification phi 18*3 what do you mean?
Seamless steel pipe DN15 specification phi 18*3 refers to 3 outer diameter of 18mm B type DN15 seamless steel tube.
Q:What are the common problems or issues faced with steel pipes?
Common problems or issues faced with steel pipes include corrosion, rusting, leaks, cracks, and blockages. Corrosion can occur due to exposure to moisture or chemicals, leading to a decrease in pipe integrity and potential leaks. Rusting is another common problem, especially in outdoor or wet environments, which can weaken the pipe and cause structural issues. Leaks can result from pipe corrosion or cracks, leading to water damage and potential pipe failure. Blockages can occur due to debris, scale buildup, or pipe collapse, restricting the flow of fluid or causing complete pipe blockage. Regular maintenance and inspections are necessary to identify and address these issues promptly.

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