Seamless Steel Pipe from China Mainland
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 PCS
- Supply Capability:
- 38000 PCS/month
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Seamless Steel Pipe from China Mainland Details
| Thickness: | 4 - 100 mm | Section Shape: | Round | Outer Diameter: | 20 - 500 mm |
| Place of Origin: | China (Mainland) | Secondary Or Not: | Non-secondary | Application: | Structure Pipe |
| Technique: | Hot Rolled | Certification: | Other | Surface Treatment: | Other |
| Alloy Or Not: | Is Alloy | Grade: | 10#,20#,45#, 16Mn,10#-45# | Standard: | BS 1387,BS 6323,GB 3087 |
Packaging & Delivery
| Packaging Detail: | wrapped in bundles with steel strips |
| Delivery Detail: | within 35 days |
Seamless Steel Pipe from China Mainland Specifications
Standard | API 5CT, 5L; ASTM, BS, JIS, DIN |
Steel Grade | API 5L Grade B/ASTM A106B, BS 1387 |
O.D. | 27MM-508MM |
W.T. | 4MM-100MM |
Length | 5m--12m |
End protection | plastic caps |
Outside Coating | black painting, anti-corrosion oil, galvanized or as per required by customer |
Production Capacity | Three mills with full production capacity, 400,000tons per year |
Delivery time | 20 days |
Qualification | independent import and export qualifications |
Main market | Asia, India, Middle East, America, Europe |
Seamless Steel Pipe from China Mainland Pictures
- 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: What are the quality control measures for steel pipe production?
- Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.
- Q: What are the common fittings and accessories used with steel pipes?
- Some common fittings and accessories used with steel pipes include couplings, elbows, tees, reducers, flanges, and valves. Additionally, accessories such as pipe hangers, brackets, clamps, and gaskets are often used to support and secure the pipes.
- Q: What is the thermal expansion coefficient of steel pipes?
- The thermal expansion coefficient of steel pipes varies based on the particular steel type and the temperature range in which the expansion is measured. On average, the thermal expansion coefficient of steel pipes is between 10-14 x 10^-6 per degree Celsius (10-14 μm/m°C). Thus, for each degree Celsius rise in temperature, the length of a steel pipe will roughly increase by 10-14 μm per meter. It is vital to acknowledge that this value is an average and may slightly differ based on the specific composition and treatment of the steel employed in the pipe.
- Q: What are the advantages of using steel pipes in industrial plants?
- There are several advantages of using steel pipes in industrial plants. Firstly, steel pipes are known for their exceptional strength and durability. They can withstand high temperatures, pressure, and heavy loads, making them ideal for transporting various materials and fluids within industrial facilities. Secondly, steel pipes have excellent resistance to corrosion. This is particularly important in industrial settings where the pipes come into contact with corrosive substances or are exposed to harsh environmental conditions. The corrosion resistance of steel pipes ensures their longevity and helps to prevent leaks, which can be costly and hazardous. Additionally, steel pipes offer a high level of versatility. They can be easily fabricated and customized to meet specific requirements, such as different sizes and shapes. This flexibility allows for easier installation and maintenance, reducing downtime and improving overall efficiency in industrial plants. Moreover, steel pipes have a smooth interior surface, which offers several advantages. It allows for efficient flow of materials, minimizing resistance and pressure drop. This smoothness also makes steel pipes less prone to accumulating deposits and contaminants, ensuring a clean and hygienic environment. Furthermore, steel pipes are highly resistant to fire. In industrial plants, where fires can have catastrophic consequences, the fire resistance of steel pipes provides an added layer of safety. Lastly, steel pipes are cost-effective in the long run. Although their initial installation cost may be higher compared to other materials, such as plastic or copper, their durability and low maintenance requirements result in significant cost savings over time. Steel pipes have a long lifespan, reducing the need for frequent replacements or repairs, and their resistance to corrosion and other damages also contributes to cost reduction. In conclusion, the advantages of using steel pipes in industrial plants include their strength, durability, corrosion resistance, versatility, efficient flow, fire resistance, and cost-effectiveness. These qualities make steel pipes a reliable and efficient choice for various applications within industrial facilities.
- Q: What are the different types of steel pipe couplings?
- In the market, there exists a variety of steel pipe couplings to cater to specific applications and needs. The following are some of the commonly used types: 1. Threaded Coupling: This coupling is equipped with threaded ends for easy installation and removal. It is suitable for low-pressure applications and can be used with both threaded and non-threaded pipes. 2. Compression Coupling: Designed to create a secure and leak-proof connection between two pipes, compression couplings consist of two pieces that are tightened together using compression nuts or sleeves, thus forming a tight seal. 3. Slip-On Coupling: A slip-on coupling is a simple and convenient option that can be easily installed by sliding it onto the pipe ends and then securing it in place through welding or bolting. It is commonly used to join pipes with plain ends and is suitable for both high and low-pressure applications. 4. Grooved Coupling: Grooved couplings possess a groove on both pipe ends, allowing them to be connected by using a rubber gasket and coupling housing. This type of coupling ensures a reliable and flexible connection that can accommodate minor misalignments and vibrations. 5. Flanged Coupling: Consisting of two flanges bolted together with a gasket in between, flanged couplings are widely used in high-pressure applications due to their strength and reliability. 6. Welded Coupling: Welded couplings are permanently joined to the pipe ends through a welding process. This type of coupling guarantees a strong and durable connection that is resistant to leaks and vibrations. These examples represent only a fraction of the steel pipe couplings available. The choice of coupling depends on factors such as the pipe type, application requirements, and the desired level of strength and flexibility. It is crucial to select the appropriate coupling to ensure a secure and dependable connection between pipes.
- Q: Can steel pipes be used for wastewater treatment plants?
- Yes, steel pipes can be used for wastewater treatment plants. Steel pipes are commonly used in wastewater treatment plants due to their durability, strength, and resistance to corrosion. They are able to withstand the harsh conditions and chemicals present in wastewater treatment processes, making them a suitable choice for transporting and distributing wastewater within the plant.
- Q: How are steel pipes used in construction?
- Steel pipes are commonly used in construction for various purposes such as structural supports, plumbing systems, and underground utility installations. They provide strength, durability, and resistance to corrosion, making them ideal for carrying fluids, gases, and other materials. Additionally, steel pipes can be easily welded, allowing for efficient and secure connections in building frameworks and infrastructure.
- Q: What are the different methods of joining steel pipes for oil and gas pipelines?
- There are several different methods of joining steel pipes for oil and gas pipelines, including welding, threading, and flange connections. Welding involves heating the ends of the pipes and fusing them together, creating a strong and durable joint. Threading is a process where the ends of the pipes are threaded and screwed together, providing a secure connection. Flange connections involve using flanges, which are flat, circular discs with holes in the center, to connect the pipes. The flanges are bolted together, creating a tight seal. These methods are commonly used in the construction of oil and gas pipelines to ensure reliable and leak-free connections.
- Q: How are steel pipes used in the chemical processing industry?
- Steel pipes are used extensively in the chemical processing industry as they offer superior strength, durability, and resistance to corrosion. These pipes are used to transport various chemicals, including acids, alkalis, and solvents, throughout the processing plants. They are also utilized for conveying gases, steam, and liquids under high pressure and temperature conditions. Furthermore, steel pipes are employed in the construction of chemical reactors, heat exchangers, and storage tanks, ensuring the safe and efficient operation of chemical processes.
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Seamless Steel Pipe from China Mainland
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 PCS
- Supply Capability:
- 38000 PCS/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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