• SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS System 1
  • SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS System 2
  • SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS System 3
  • SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS System 4
SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS

SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS

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Loading Port:
China Main Port
Payment Terms:
TT OR LC
Min Order Qty:
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Supply Capability:
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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.:219-3920mm

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:  φ219mm-3920mm

5,Length:  5m-12m or as customer 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

<0.045

<0.030

>195

315-430

32-33

Q215

0.09-0.15

0.25-0.55

<0.05

<0.045

<0.030

>215

335-450

26-31

Q235

0.12-0.20

0.30-0.70

<0.045

<0.045

<0.030

>235

375-500

24-26

Q345

<0.20

1.0-1.6

<0.040

<0.040

<0.55

>345

470-630

21-22

Q: What are the different types of hangers used for supporting steel pipes?
Supporting steel pipes requires the use of various hangers, each with its own distinctive design and purpose. Some commonly used types include: 1. Clevis Hangers: These hangers consist of a U-shaped loop that attaches to a support structure using a threaded rod. The pipe is then secured in place with a bolt. Clevis hangers are ideal for vertical pipe runs and provide excellent stability and support. 2. Split Ring Hangers: Designed with a split ring that wraps around the pipe, these hangers can be easily installed and adjusted. They are suitable for different pipe sizes and applications. 3. Pipe Clamps: Simple and versatile, pipe clamps consist of a metal clamp that wraps around the pipe and is secured to a support structure using screws or bolts. They come in various designs to accommodate different pipe sizes and ensure stability. 4. Beam Clamps: These hangers are specifically designed for overhead support beams or structures. They feature a clamp that wraps around the beam and attaches to the pipe using a threaded rod or bolt. Beam clamps are commonly used in industrial and commercial settings for horizontal pipe runs. 5. Roller Hangers: When pipe movement is necessary due to thermal expansion or contraction, roller hangers are used. They allow the pipe to move freely while still providing support, making them suitable for long pipe runs or areas with significant temperature variations. 6. Spring Hangers: Designed to support pipes and absorb vibrations or shocks, spring hangers consist of a spring element attached to a support structure and a rod or rod assembly that supports the pipe. They are often used to reduce noise or prevent damage caused by vibrations. These examples represent just a few of the hangers available for supporting steel pipes. The selection of a hanger depends on factors such as pipe size, weight, location, and specific installation requirements. It is recommended to consult with a professional or engineer to ensure the appropriate hangers are chosen for each specific application.
Q: What is the average cost of steel pipes?
The average cost of steel pipes can vary depending on several factors such as the size, grade, and quantity of the pipes needed, as well as the current market conditions. Generally, the cost of steel pipes ranges from $500 to $1500 per ton. However, it is important to note that this is a rough estimate, and prices can fluctuate based on factors like demand, location, and quality. It is recommended to reach out to suppliers or manufacturers for more accurate pricing information based on specific project requirements.
Q: What are the advantages of using steel pipes in irrigation systems?
There are several advantages to using steel pipes in irrigation systems. Firstly, steel pipes are highly durable and resistant to corrosion, providing a longer lifespan compared to other materials. This ensures the longevity and reliability of the irrigation system. Additionally, steel pipes have a high tensile strength, allowing them to withstand high pressure and heavy loads, making them suitable for various irrigation applications. Moreover, steel pipes have a smooth interior surface, minimizing friction and allowing for efficient water flow, which is crucial for irrigation efficiency. Lastly, steel pipes are recyclable, making them an environmentally friendly choice for irrigation systems.
Q: How do you determine the pipe schedule for steel pipes?
Several factors, including pressure rating, wall thickness, and outer diameter, are taken into account to determine the pipe schedule for steel pipes. The pipe schedule serves as a standardized system that classifies the thickness of pipe walls, ensuring compatibility and safety in various applications. To ascertain the pipe schedule for steel pipes, one must consider the maximum pressure the pipe will endure, typically measured in pounds per square inch (psi) or bars. The pressure rating indicates the pipe's ability to withstand pressure without experiencing failure or leakage. Higher pressure ratings necessitate thicker pipe walls. Another crucial factor in determining the pipe schedule is the wall thickness, typically expressed in inches or millimeters. The wall thickness directly correlates with the pressure rating, as thicker walls have the capacity to handle higher pressures. The American National Standards Institute (ANSI) has established a set of standardized wall thicknesses for steel pipes known as the "pipe schedule." The outer diameter of the pipe is also taken into consideration when determining the pipe schedule. The specific application and requirements influence the outer diameter variation. Selecting a pipe with the appropriate outer diameter is essential to ensure proper fit and compatibility with fittings, valves, and other components. In conclusion, the pipe schedule for steel pipes is determined by examining the maximum pressure, wall thickness, and outer diameter. By aligning these factors with the suitable pipe schedule, one can guarantee that the steel pipe is appropriate for its intended usage and capable of withstanding the required pressure.
Q: How are steel pipes insulated for thermal purposes?
Steel pipes are insulated for thermal purposes by wrapping them with insulating materials such as mineral wool, fiberglass, or foam. These insulating materials help to prevent heat transfer between the pipe and its surroundings, minimizing energy loss and maintaining the desired temperature inside the pipe. Additionally, a protective outer layer or jacket is often applied to enhance the insulation's durability and protect it from external elements.
Q: How are steel pipes protected from corrosion?
Steel pipes are protected from corrosion through various methods such as applying protective coatings, using sacrificial anodes, or employing cathodic protection systems.
Q: Can steel pipes be used for scaffolding and support structures?
Indeed, scaffolding and support structures can make use of steel pipes. Due to their robustness, longevity, and ability to bear substantial loads, steel pipes are commonly employed in the construction industry. They establish a steady and secure framework for scaffolding and support structures, guaranteeing the safety of workers and the stability of the construction undertaking. Moreover, steel pipes possess versatility, enabling convenient assembly and disassembly, rendering them a superb option for temporary structures such as scaffolding. Furthermore, steel pipes exhibit resistance to corrosion, rendering them appropriate for outdoor applications and ensuring the enduring existence of the scaffolding and support structures.
Q: How are steel pipes used in the marine industry?
Steel pipes are commonly used in the marine industry for various applications such as shipbuilding, offshore oil and gas exploration, and marine infrastructure. They are utilized for constructing hulls, pipelines, and support structures due to their high strength, durability, and resistance to corrosion from seawater. Steel pipes also provide a reliable and efficient means of transporting fluids, gases, and other materials within marine vessels and structures.
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: What are the different surface finishes available for steel pipes?
There are several different surface finishes available for steel pipes, including mill finish, hot-dip galvanized, black oxide, epoxy coating, and powder coating.

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