Oil and Gas Steel Pipe API, ASTM, BS, DIN, GB, JIS
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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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:Can steel pipes be used for structural supports?
- Yes, steel pipes can be effectively used as structural supports due to their high strength, durability, and ability to withstand heavy loads.
- Q:Can steel pipes be used for sewage systems?
- Yes, steel pipes can be used for sewage systems. Steel pipes are commonly used in sewage systems for their durability, strength, and resistance to corrosion. They are suitable for transporting sewage and wastewater, ensuring reliable and long-lasting performance.
- Q:How are steel pipes used in the construction industry?
- Steel pipes are extensively used in the construction industry for a wide range of applications. They are primarily used for transporting various fluids and gases, such as water, oil, and natural gas, throughout the construction site or building. Steel pipes are also commonly used as structural elements in the construction of buildings, bridges, and tunnels, providing strength and stability to the structures. Additionally, steel pipes are utilized in the construction of plumbing systems, HVAC (heating, ventilation, and air conditioning) systems, and fire protection systems.
- Q:What are steel pipes made of?
- Steel pipes are made of a strong and durable alloy known as steel, which is primarily composed of iron and carbon, along with small amounts of other elements such as manganese, silicon, and sulfur.
- Q:Are steel pipes suitable for underground drainage systems?
- Yes, steel pipes are suitable for underground drainage systems. They are commonly used in such systems due to their durability, strength, and resistance to corrosion. Steel pipes can effectively handle the pressure and flow of water and other fluids, making them a reliable choice for underground drainage.
- Q:How does the price of steel pipes vary based on market demand?
- The price of steel pipes can vary based on market demand as it follows the basic economic principle of supply and demand. When the demand for steel pipes is high and the supply is limited, the price tends to increase. Conversely, when the demand is low and there is excess supply, the price tends to decrease. Factors such as infrastructure projects, industrial growth, and construction activities heavily influence the demand for steel pipes, thus impacting their price in the market.
- Q:How do steel pipes handle thermal expansion and contraction?
- Steel pipes are able to handle thermal expansion and contraction due to their unique properties and design. When exposed to high temperatures, steel pipes expand as the molecules within the material gain energy and move more vigorously. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and move less vigorously. To accommodate these changes, steel pipes are manufactured with certain features. One such feature is the allowance of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, the use of expansion joints or flexible connectors within the piping system helps to absorb the thermal movements and prevent damage. Furthermore, steel pipes are often installed with proper anchoring and support systems. These systems are designed to allow the pipes to freely expand and contract within a certain range without causing excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help to maintain the overall stability and integrity of the piping system. In some cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and reduce the effects of expansion and contraction. These insulating materials help to maintain a more consistent temperature within the pipe, reducing the magnitude of thermal movements. Overall, steel pipes are well-suited to handle thermal expansion and contraction due to their inherent strength and flexibility. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.
- Q:Can steel pipes be used for offshore applications?
- Yes, steel pipes can be used for offshore applications. Steel pipes are commonly used in offshore oil and gas drilling operations, as they have high strength, durability, and resistance to corrosion, which are essential qualities for withstanding harsh marine environments. Additionally, steel pipes can be easily welded and fabricated to meet specific offshore project requirements.
- Q:Can steel pipes be used for conveying sewage sludge?
- Indeed, sewage sludge can be conveyed using steel pipes. Steel pipes possess several properties that render them suitable for this purpose. Firstly, their strength and durability enable them to endure the pressure and weight of sewage sludge without collapsing or fracturing. This is of utmost importance as sewage sludge can be quite heavy and may contain solids that could exert stress on the pipes. Secondly, steel pipes exhibit resistance to corrosion, which is crucial when conveying sewage sludge that frequently contains corrosive components. By utilizing corrosion-resistant steel pipes, one can ensure a prolonged lifespan and minimize the risk of leaks or damage. Moreover, steel pipes can be manufactured in various sizes and diameters, granting flexibility in the design of sewage systems to meet specific requirements. Nonetheless, it is vital to emphasize the necessity of proper maintenance and regular cleaning to prevent sludge buildup and maintain the pipes' efficiency.
- Q:How do steel pipes compare to ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used in various applications, but they have some differences in terms of their properties and advantages. 1. Strength and Durability: Steel pipes are typically stronger and more durable than ductile iron pipes. Steel has a higher tensile strength, making it less susceptible to cracking or breaking under pressure or external forces. Ductile iron, on the other hand, has a lower tensile strength but has better impact resistance than steel. 2. Corrosion Resistance: Steel pipes are prone to corrosion, especially when exposed to moisture or chemicals. However, they can be protected by applying coatings or using corrosion-resistant alloys. Ductile iron pipes, while inherently more corrosion-resistant than regular cast iron, may still require external protection to prevent rusting and degradation. 3. Flexibility: Ductile iron pipes have greater flexibility than steel pipes. They can withstand certain degrees of bending and deflection without fracturing, making them suitable for applications where ground movement or shifting might occur. Steel pipes are less flexible and more rigid, making them better suited for straight runs or applications with minimal movement. 4. Cost: Generally, ductile iron pipes are more cost-effective than steel pipes. Ductile iron is easier and cheaper to manufacture, resulting in lower production costs. However, steel pipes may have a longer lifespan, requiring fewer replacements over time, which can offset the initial cost difference. 5. Installation: Steel pipes are lighter and easier to handle during installation compared to ductile iron pipes, which can be heavy and bulky. The lighter weight of steel pipes can reduce labor and transportation costs. Additionally, steel pipes can be welded, allowing for more flexible installation options, while ductile iron pipes are typically joined using mechanical couplings or flanged connections. In summary, steel pipes offer superior strength and durability, while ductile iron pipes provide better flexibility and cost-effectiveness. The choice between the two depends on the specific requirements of the application, including factors such as corrosion resistance, expected loads, installation conditions, and budget constraints.
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Oil and Gas Steel Pipe API, ASTM, BS, DIN, GB, JIS
- 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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