• SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE System 1
  • SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE System 2
  • SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE System 3
  • SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE System 4
  • SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE System 5
SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE

SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
3000 m.t./month

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Packaging & Delivery

Packaging Detail:

standard export packing or as customer's requirement

Delivery Detail:

within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes 
1.Material:Q195-Q235 
2.Length:1-12m 
3.WT:1.0-14mm 
4.O.D.:20-273mm

Spiral Welded Steel Pipes and Tubes

 

 

Product Description:

 

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

 

2,Standard:  SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

 

3.Wall thickness:  3.0mm-30mm 

 

4.Outer diameter:  φ168mm-3020mm

 

5,Length:  5m-12m or as your requirement

 

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

 

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

 

 

 

Q195-q345 Material Steel Pipe's Materials

 

      Elements 
      Material   

Chemical Compsition%

Mechanical Property

C%

Mn%

S%

P%

Si%

Yield Point (Mpa)

Tensile Strength(Mpa)

Elongation 
(%) 

Q195

0.06-0.12

0.25-0.50

<0.050< span="">

<0.045< span="">

<0.030< span="">

>195

315-430

32-33

Q215

0.09-0.15

0.25-0.55

<0.05< span="">

<0.045< span="">

<0.030< span="">

>215

335-450

26-31

Q235

0.12-0.20

0.30-0.70

<0.045< span="">

<0.045< span="">

<0.030< span="">

>235

375-500

24-26

Q345

<0.20< span="">

1.0-1.6

<0.040< span="">

<0.040< span="">

<0.55< span="">

>345

470-630

21-22

 

Q: What is the theoretical weight per square meter of the steel pipe diameter of the outer frame and the thickness of the tube wall 3mm 48mm?
The outer steel tube diameter is 48mm, the tube wall thickness is 3mm, the theoretical weight per meter is 3.3291kgCalculation formula: (outside diameter wall thickness) * wall thickness *0.02466(48-3) *3*0.02466=3.3291kg
Q: What are the factors that affect the price of steel pipes?
The factors that affect the price of steel pipes include the cost of raw materials, such as iron ore and coal, as well as the demand and supply dynamics in the steel industry. Other factors include labor costs, energy prices, transportation costs, and any taxes or tariffs imposed on steel imports. Additionally, market conditions, global economic trends, and government regulations can also influence the price of steel pipes.
Q: Can steel pipes be used in earthquake-prone areas?
Indeed, in areas prone to earthquakes, steel pipes have the potential to be employed. Steel, as a durable and sturdy material, possesses the capacity to endure the forces generated during an earthquake. The malleability and pliability of steel facilitate the absorption and dissipation of seismic wave energy, thereby decreasing the likelihood of structural failure. Furthermore, the ability to weld steel pipes enables the construction of resilient and earthquake-resistant edifices. Nevertheless, it is crucial to adhere to appropriate engineering and construction practices to guarantee the proper installation and connection of steel pipes, thereby maximizing their capacity to withstand earthquakes. Additionally, it is imperative to consider local building codes and regulations to ensure compliance and safety in earthquake-prone regions.
Q: What is the standard length of steel pipes?
The standard length of steel pipes can vary depending on the application and industry, but commonly they are available in lengths of 20 feet or 6 meters.
Q: How are steel pipes used in the manufacturing of pressure vessels?
Steel pipes are commonly used in the manufacturing of pressure vessels as they provide the necessary strength and durability to withstand high internal pressure. These pipes are welded or seamless and are often used as the main structural component of the vessel. They allow for the efficient flow of fluids or gases within the vessel and provide a reliable and secure containment system for various industrial applications.
Q: Is there a weld on the outer wall of seamless steel tube?
Seamless steel pipe, not seamless steel pipe, seamless steel pipe, welded seam, how can it be called seamless pipe?. Tell you a method: measurement of wall thickness, multi test several points, if each point, that is because it is cold drawn pipe, seamless pipe, hot rolling, wall thickness may% by sample.
Q: How do you prevent corrosion in steel pipes?
One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.
Q: Can steel pipes be used for industrial ventilation systems?
Yes, steel pipes can be used for industrial ventilation systems. Steel pipes are commonly used in industrial settings due to their durability, resistance to extreme temperatures, and ability to handle high-pressure applications. They provide a reliable and long-lasting solution for transporting air in ventilation systems, ensuring proper airflow and maintaining a safe and healthy environment in industrial facilities.
Q: How are steel pipes connected in pipeline construction?
Steel pipes are connected in pipeline construction through various methods such as welding, threading, and flanging. Welding involves joining the pipes using heat and fusion, creating a strong and durable connection. Threading involves screwing two pipes together using threads on the ends of the pipes. Flanging involves connecting the pipes by bolting together flanges on the ends of each pipe. These connection methods ensure a secure and leak-proof pipeline system.
Q: What are the different methods of wrapping steel pipes for corrosion protection?
There are several methods used for wrapping steel pipes to provide corrosion protection. These methods include the use of tapes, shrink sleeves, liquid coatings, and powder coatings. Each method has its advantages and disadvantages, and the choice of wrapping method depends on factors such as the environment, the required level of protection, and the budget.

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