High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 333 m.t./month
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Product Description:
1. Commodity Name: Seamless steel pipe
2. Standard: API,GB,ASTM,ASME,DIN
3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.
4. Dimension:
OD: 1/2"-24"
WT: 2.5-80mm, SCH10~SCH40~XXL
length: 5.8m,6m,8m,9m,12m
5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn
6. application
carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.
7. Payment Terms: L/C D/A D/P T/T
8.packing and shipment
Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing
For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.
9. Surface: painted with varnish;
10. Plastic caps at ends.
11. Tolerance: OD +1%/-1%
WT +12.5%/-10%
PICTURES:
- Q: What is the minimum temperature that steel pipes can handle?
- The minimum temperature that steel pipes can handle depends on the specific grade and composition of the steel. Generally, steel pipes can handle extremely low temperatures without experiencing any significant issues. In fact, many types of steel are specifically designed to withstand extremely cold temperatures, making them suitable for various applications in industries such as oil and gas, construction, and cryogenics. However, it is important to note that at extremely low temperatures, steel may become more brittle, which can affect its mechanical properties. Therefore, it is essential to carefully select the appropriate grade of steel and consider any specific requirements or limitations for the intended application when determining the minimum temperature that steel pipes can handle.
- Q: What are the different types of steel pipe connections for oil and gas pipelines?
- There are several types of steel pipe connections used for oil and gas pipelines, including threaded connections, welded connections, flanged connections, and grooved connections. Threaded connections involve screwing two pipe ends together using threads, providing a secure and leak-proof joint. Welded connections involve fusing pipe ends together using heat, creating a strong and durable joint. Flanged connections use a flange on each pipe end that is bolted together, providing a sturdy and easily removable joint. Grooved connections involve utilizing a groove on each pipe end, which is then locked together using a coupling, ensuring a reliable and flexible joint.
- Q: How are steel pipes used in petrochemical plants?
- Steel pipes are widely used in petrochemical plants for various applications including transportation of fluids such as oil, gas, and chemicals. They are used to connect different components of the plant, such as pumps, tanks, and vessels, allowing for the efficient and safe movement of these substances. Steel pipes in petrochemical plants are designed to withstand high pressure and extreme temperatures, ensuring the reliability and durability of the entire system.
- Q: Can steel pipes be used for scaffolding?
- Yes, steel pipes can be used for scaffolding. They are commonly used in construction projects as they provide strength, durability, and stability required for supporting workers and materials at elevated heights. Steel pipes are known for their load-bearing capacity and can be easily assembled and disassembled, making them a suitable choice for scaffolding systems.
- Q: Can steel pipes be used for conveying hazardous chemicals?
- Steel pipes can be used for conveying hazardous chemicals, as they are highly resistant to corrosion and can withstand high pressures. However, it is crucial to consider the compatibility of the chemicals with steel and ensure that appropriate safety measures and protective coatings are in place to prevent any potential leaks or reactions.
- Q: 25 of the steel pipe with 6 in charge of what is the difference?
- 25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.
- Q: How are steel pipes tested for pressure and leakage?
- To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.
- Q: How are steel pipes used in the construction of tunnels?
- Steel pipes are commonly used in the construction of tunnels for various purposes, such as drainage systems, ventilation, and providing structural support. They are used to create efficient and durable drainage systems to manage water flow and prevent flooding in tunnels. Steel pipes are also used for ventilation systems, allowing fresh air to circulate and remove pollutants. Additionally, they can be employed to provide structural support, reinforcing the tunnel walls and ensuring stability and safety.
- 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.
- Q: What is the impact resistance of steel pipes?
- The impact resistance of steel pipes is quite high due to the inherent properties of steel as a material. Steel is known for its strength and durability, which makes it able to withstand significant external forces and impacts without deforming or breaking. The impact resistance of steel pipes is further enhanced by their construction and design. Steel pipes are typically made using various manufacturing techniques such as seamless or welded construction, which ensures uniformity and strength throughout the pipe structure. This construction process eliminates weak points or seams that could compromise the impact resistance of the pipe. Moreover, steel pipes can be engineered to meet specific requirements for impact resistance based on the intended application. Different grades and types of steel can be used to achieve varying levels of impact resistance, allowing for customization to suit different industries and environments. The high impact resistance of steel pipes is particularly advantageous in industries such as construction, oil and gas, and transportation, where pipes are subjected to heavy loads, pressure, and potential impacts. Steel pipes can withstand these conditions, making them a reliable choice for various applications. In summary, the impact resistance of steel pipes is excellent due to the inherent strength and durability of steel as a material, as well as the construction techniques used in their manufacturing. Steel pipes can withstand significant external forces and impacts, making them a reliable and robust choice for a wide range of industries and applications.
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High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 333 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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