ERW Carbon Steel Line Pipe for Oil and Gas
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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1、Structure of Welded Steel Tube:
We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.
2、Main Features of the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded Steel Tube Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Steel Tube:
①How is the quality of your products?
Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.
③Why should you choose us?
Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding customer solution proposals. Our service formula: good quality + good price + good service=customer’s trust.
SGS test is available. Customer inspection before shipping is welcome. Third party inspection is OK.
6、 Welded Steel Tube Images：
- Q:How are steel pipes used in the construction of biomass power plants?
- Steel pipes are used in biomass power plants for various applications such as transporting biomass fuel, carrying water for steam generation, and distributing hot water or steam throughout the plant. They provide a sturdy and reliable infrastructure for the efficient functioning of the plant, ensuring the safe and effective operation of the biomass power generation process.
- Q:What are the different types of coatings used for internal lining of steel pipes?
- There are several types of coatings used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, cement mortar coatings, and thermoplastic coatings. These coatings help to protect the steel pipes from corrosion, increase their lifespan, and improve the flow of fluids through the pipes.
- Q:How are steel pipes manufactured?
- Steel pipes are manufactured through a process called pipe manufacturing or pipe making, which involves various steps such as forming, welding, and finishing. The process starts with the procurement of raw materials, which are typically steel coils or sheets. These coils are then fed through a series of rollers to shape them into a cylindrical form. The edges of the coils are then welded together to create a continuous pipe. After welding, the pipes undergo various finishing processes such as sizing, straightening, and cutting to achieve the desired dimensions and specifications. Finally, the pipes are tested for quality assurance and may undergo additional treatments like galvanization or coating before being ready for use in different industries and applications.
- Q:Can steel pipes be used for water treatment plants?
- Yes, steel pipes can be used for water treatment plants. Steel pipes are commonly used for conveying water in various industries, including water treatment plants, due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can withstand high-pressure water flows and can be easily welded, making them suitable for the demanding requirements of water treatment processes.
- Q:What is the difference between steel pipe and copper pipe?
- The composition and properties of steel pipe and copper pipe are what set them apart. Steel pipe is made from carbon steel, an alloy of iron and carbon, while copper pipe is made from naturally occurring copper. Durability is a key distinction. Steel pipe is renowned for its strength and resilience, making it suitable for high-pressure situations and harsh environments. It is highly resistant to corrosion, ensuring its longevity. On the other hand, copper pipe is prized for its malleability and ease of installation. It is not as durable as steel and can corrode over time, particularly when exposed to certain chemicals or aggressive water conditions. Another difference lies in thermal conductivity. Copper pipe is an exceptional heat conductor, making it perfect for applications requiring efficient heat transfer, such as plumbing systems for hot water supply. Conversely, steel pipe has lower thermal conductivity compared to copper, which may affect its performance in specific applications. Cost is also an important factor. Copper pipe tends to be pricier due to the higher cost of copper as a raw material. Moreover, installing copper pipe necessitates specialized tools and techniques, which can increase overall expenses. Conversely, steel pipe is often more cost-effective and easier to work with, making it a popular choice for various applications. In conclusion, the primary discrepancies between steel pipe and copper pipe encompass their composition, durability, thermal conductivity, and cost. Each type possesses its own advantages and disadvantages, and the selection between them hinges on the specific requirements of the given application.
- Q:What is the role of steel pipes in the construction of bridges and tunnels?
- Steel pipes play a crucial role in the construction of bridges and tunnels. They are extensively used for various purposes due to their strength, durability, and versatility. In bridge construction, steel pipes are commonly employed for the fabrication of the bridge's structural framework. They serve as the primary load-bearing members, providing support and stability to the entire structure. Steel pipes are particularly favored in bridge construction due to their high tensile strength, which enables them to withstand heavy loads, including the weight of vehicles and the dynamic forces generated by traffic. Steel pipes are also utilized in the construction of bridge piers and abutments. These components provide the foundation and support for the bridge structure. Steel pipes are often driven deep into the ground to create sturdy foundations that can withstand the forces exerted by the bridge's weight and external factors such as wind, water currents, and seismic activity. Similarly, steel pipes are essential in tunnel construction. They are extensively used in tunnel lining, which refers to the installation of structural elements along the tunnel walls and roof to provide stability and prevent soil or rock collapse. Steel pipes are often used as reinforcement elements, ensuring the structural integrity of the tunnel and protecting it from external pressures. Moreover, steel pipes are employed for underground utility systems in both bridges and tunnels. They serve as conduits for various utilities such as water supply, electrical cables, gas pipelines, and communication lines. Steel pipes are ideal for these applications due to their corrosion resistance, ability to withstand high pressures, and longevity. Overall, the role of steel pipes in the construction of bridges and tunnels is to provide strength, stability, and durability to the structures. They play a vital role in ensuring the safety and functionality of these critical infrastructure projects, allowing for efficient transportation and the seamless provision of utilities.
- Q:Can steel pipes be used for underground water wells?
- Yes, steel pipes can be used for underground water wells. Steel pipes are often chosen for their durability and strength, which makes them suitable for withstanding the pressure and weight of the surrounding soil and water. They are commonly used in both residential and industrial applications for drilling and constructing water wells. However, it is important to consider certain factors such as the type and quality of the steel, as well as the presence of corrosive elements in the water, to ensure the longevity and reliability of the well system. Additionally, proper insulation and coating may be required to prevent corrosion and contamination of the underground water source.
- Q:What is the difference between black steel pipe and galvanized steel pipe?
- The main difference between black steel pipe and galvanized steel pipe lies in their coating. Black steel pipe is untreated and has a dark, matte appearance, while galvanized steel pipe is coated with a layer of zinc to prevent rusting and has a silver, shiny appearance. This coating makes galvanized steel pipes more durable and suitable for outdoor use, while black steel pipes are commonly used for indoor plumbing and gas lines.
- Q:What is the role of steel pipes in the renewable energy sector?
- Steel pipes play a crucial role in the renewable energy sector by facilitating the transportation and distribution of various energy sources. One significant application of steel pipes is in the construction of pipelines for transporting natural gas, which is increasingly being used as a cleaner alternative to traditional fossil fuels. These pipelines are often made of steel due to its strength, durability, and resistance to corrosion, ensuring the safe and efficient delivery of natural gas to power plants and other energy consumers. Moreover, steel pipes are utilized in the installation of geothermal energy systems. Geothermal energy harnesses the heat from the earth's core to generate electricity or provide heating and cooling. Steel pipes are used to create geothermal wells, allowing for the extraction of hot water or steam from underground reservoirs. These pipes must withstand high temperatures and pressures, making steel an ideal material for this application. Additionally, steel pipes are employed in the construction of hydraulic systems for hydroelectric power plants. These plants rely on the force of flowing water to generate electricity, and steel pipes are used to convey water from the reservoir to the turbines. The durability and reliability of steel ensure the efficient transmission of water, enabling hydroelectric power plants to produce clean and renewable energy. In the renewable energy sector, steel pipes also play a role in the construction of solar power plants. Solar thermal systems use mirrors or lenses to concentrate sunlight and generate heat, which is then transferred to a fluid to produce steam and drive turbines. Steel pipes are essential for circulating and transferring this fluid, ensuring the effective operation of the solar power plant. In summary, steel pipes are indispensable in the renewable energy sector for their strength, durability, and resistance to corrosion. They enable the transportation of natural gas, the extraction of geothermal energy, the transmission of water in hydroelectric power plants, and the circulation of fluids in solar power plants. By facilitating the efficient distribution of various energy sources, steel pipes significantly contribute to the growth and sustainability of the renewable energy sector.
- Q:What is the difference between hot-dip galvanizing and electroplating for steel pipes?
- Steel pipes can be protected from corrosion using hot-dip galvanizing or electroplating, but these methods have distinct differences. With hot-dip galvanizing, the steel pipes are immersed in molten zinc, creating a strong bond with the steel. This results in a thick and durable zinc coating that effectively prevents corrosion. The entire surface of the pipe, both inside and outside, is uniformly covered, making hot-dip galvanizing ideal for comprehensive protection. Electroplating, on the other hand, involves depositing a thin layer of metal, usually zinc, onto the steel surface using an electric current. Unlike hot-dip galvanizing, electroplating does not form a metallurgical bond between the zinc and steel. Instead, it forms a mechanical bond, which is weaker and less long-lasting. The electroplated zinc layer is also thinner, offering less corrosion protection compared to hot-dip galvanizing. The application process is another point of differentiation. Hot-dip galvanizing requires immersion in molten zinc, which can be time-consuming. Electroplating, on the other hand, uses an electrolytic cell for zinc coating application, which is faster and more efficient. In conclusion, the thickness, durability, and bonding mechanism between zinc and steel distinguish hot-dip galvanizing from electroplating for steel pipes. Hot-dip galvanizing provides a thicker, longer-lasting coating with a metallurgical bond, making it superior for extended corrosion protection. Electroplating, however, creates a thinner coating with a mechanical bond, suitable for applications where a less robust level of corrosion resistance is acceptable.
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ERW Carbon Steel Line Pipe for Oil and Gas
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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