• SSAW STEEL PIPE 219-3920MM ASTM A106 System 1
  • SSAW STEEL PIPE 219-3920MM ASTM A106 System 2
  • SSAW STEEL PIPE 219-3920MM ASTM A106 System 3
  • SSAW STEEL PIPE 219-3920MM ASTM A106 System 4
SSAW STEEL PIPE 219-3920MM ASTM A106

SSAW STEEL PIPE 219-3920MM ASTM A106

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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: How do steel pipes perform in corrosive environments?
Steel pipes perform well in corrosive environments due to their natural corrosion resistance. The addition of protective coatings or linings further enhances their performance, making them highly durable and suitable for a wide range of applications in such environments.
Q: What are the different methods of pipe protection for steel pipes?
Steel pipes can be protected in various ways, each with its own purpose and level of defense. Some commonly used methods include: 1. Coatings: To shield steel pipes from corrosion and environmental factors, coatings are applied to the outer surface. These can be paints, epoxies, or polymers that create a barrier between the pipe and its surroundings, preventing contact with corrosive elements. 2. Wrapping: Another method involves using materials like tape or shrink wrap to cover the steel pipe, providing a physical barrier against moisture, chemicals, and corrosive substances. Wrapping is often combined with coatings to enhance protection. 3. Cathodic Protection: This electrochemical method safeguards steel pipes from corrosion by connecting them to a sacrificial anode, typically made of zinc or magnesium. The anode corrodes instead of the pipe, preventing deterioration. It is commonly used for buried or submerged pipelines. 4. Thermal Insulation: Steel pipes exposed to extreme temperatures can be protected with thermal insulation. Materials like foam or mineral wool are applied around the pipe to minimize heat transfer. This is particularly important for pipes carrying hot fluids or in harsh weather conditions. 5. Vibration Dampening: Vibrations can damage steel pipes by causing stress and fatigue. To counter this, techniques like vibration damping pads or supports and clamps can be used. These methods absorb and dissipate the energy generated by vibrations, reducing the risk of pipe failure. 6. Concrete Coating: For pipelines installed underwater or in highly corrosive environments, concrete coating is often employed. A layer of concrete or cement-based mortar is applied to the steel pipe, providing both mechanical protection and resistance to corrosion. Choosing the appropriate method of pipe protection depends on the specific application, environmental conditions, and desired level of defense. Regular inspection and maintenance are also crucial in maintaining the long-term integrity of steel pipes.
Q: How are steel pipes used in the manufacturing of conveyor systems?
Steel pipes are commonly used in the manufacturing of conveyor systems to provide a durable and reliable structure for transporting various materials. They are typically used as the main framework for the conveyor system, supporting the conveyor belt and other components. Steel pipes are known for their strength and resistance to wear and tear, making them ideal for handling heavy loads and withstanding continuous use. Additionally, steel pipes can be easily shaped and welded, allowing for customization and flexibility in conveyor system design.
Q: How to identify stainless steel pipe and steel pipe?
Steel pipe according to the production method can be divided into two categories: seamless steel pipe and pipe joints, pipe joints as welded steel pipe.1. seamless steel tube according to the production methods can be divided into: hot-rolled seamless pipe, cold drawn tube, precision steel tube, heat expansion tube, cold spinning tube and extrusion tube.Seamless steel tubes are made of high quality carbon or alloy steel. They are hot-rolled and cold-rolled (drawn).Bundled steel pipe2. welded steel pipe for different welding process and divided into the furnace pipe welding (ERW) pipe and automatic arc welding, because of the different forms of welding seam welded pipe and spiral welded pipe is divided into two kinds, end its shape is divided into circular welded and shaped (square, flat) pipe.
Q: How are steel pipes protected against chemical corrosion?
Steel pipes are protected against chemical corrosion through various methods such as applying protective coatings like epoxy or polyethylene, using sacrificial anodes, cathodic protection systems, or employing corrosion inhibitors in the pipeline system.
Q: Heating system DN40 and DN32 welded steel pipe how to connect?
Welding: AC arc welding machine welding. Mode 1: apply to the medium of non demanding piping, DN40 steel pipe necking and DN32 steel pipe butt welding, or directly DN32 steel pipe into the DN40 internal welding. 2: the pipeline requirements apply to the inner wall of smooth transition, reducing short circuit welding for DN40x32 suppression of this mechanism are used for connection pipe seamless steel pipe high pressure pipeline connection, no special requirements, not commonly used welded steel pipe. Connection of mechanism fittings is not only costly, but not necessary unless special requirements are required!
Q: What is the role of steel pipes in the transportation of water?
Steel pipes are of utmost importance in the transportation of water due to their durability and strength. They find extensive use in diverse water supply systems, including municipal water distribution networks, irrigation systems, and industrial water transportation. One of the primary benefits of steel pipes lies in their capacity to endure high pressure and deliver water reliably over long distances. The strength of steel enables the construction of pipelines with larger diameters, facilitating the efficient movement of substantial water volumes. Additionally, steel pipes exhibit remarkable resistance to corrosion, a critical characteristic when conveying water that may contain different minerals, chemicals, or contaminants. The corrosion-resistant properties of steel pipes ensure that the water quality remains uncompromised throughout the transportation process. Furthermore, steel pipes offer exceptional structural integrity, rendering them suitable for both underground and above-ground installations. They can withstand extreme weather conditions, seismic activity, and heavy loads, thereby ensuring the longevity and dependability of the water transportation system. Moreover, steel pipes are easy to install and maintain, apart from being robust and durable. They can be seamlessly welded together, resulting in a pipeline with minimal leakage points. Regular inspections and maintenance help identify potential issues or damages, guaranteeing an uninterrupted flow of water. In conclusion, steel pipes play a critical role in water transportation, serving as a strong and reliable conduit. Their ability to withstand high pressure, resist corrosion, and maintain water quality make them an ideal choice for various water supply systems, contributing to the efficient and sustainable distribution of water resources.
Q: How are steel pipes transported?
Steel pipes can be transported using various methods depending on their size, weight, and distance to be covered. The most common modes of transportation for steel pipes include trucks, trains, and ships. For short distances, steel pipes are often transported using trucks. They are loaded onto flatbed trailers or in some cases, specialized pipe trailers that are specifically designed to securely hold and transport pipes. These trucks can easily navigate local roads and highways, making them a convenient option for transporting steel pipes to nearby locations or construction sites. When it comes to long-distance transportation, trains are commonly used. Steel pipes are loaded onto flatcars, which are specifically designed to carry heavy loads. This method is preferred when transporting large quantities of steel pipes over long distances, as trains provide a cost-effective and efficient means of transportation. Moreover, trains are capable of transporting pipes of various lengths and diameters, making them a versatile option. For international shipments or transportation over bodies of water, steel pipes are often transported by ships. Steel pipes can be loaded into shipping containers or onto the deck of a cargo ship. Shipping containers provide protection from weather conditions and ensure the pipes remain secure during transit. Additionally, specialized ships equipped with cranes can handle large and heavy pipes, facilitating the transportation of oversized steel pipes. In some cases, pipelines can also be constructed to transport steel pipes directly from the manufacturing facility to the desired location. This method is commonly used for projects involving oil, gas, or water pipelines. The pipes are laid underground, eliminating the need for separate transportation. Overall, the transportation of steel pipes involves a variety of methods, including trucks, trains, ships, and pipelines, depending on the distance, quantity, and specific requirements of the project. Each method has its advantages and is chosen based on factors such as cost, efficiency, and logistics.
Q: What kind of argon arc welding wire is used for 16Mn steel pipe?
16Mn steel weldability is very good, general use TIG with J50 welding wire, hand arc welding with J506, J507 and other welding rod
Q: How are steel pipes used in automotive manufacturing?
Steel pipes are commonly used in automotive manufacturing for various applications such as exhaust systems, fuel lines, and structural components. They provide durability, strength, and corrosion resistance, making them suitable for withstanding the harsh conditions and high temperatures associated with automotive operations. Additionally, steel pipes offer flexibility in design and can be easily formed and manipulated to meet specific requirements, ensuring efficient and reliable performance in vehicles.

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