Alloy structural steel seamless steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000 m.t./month
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1、Structure of Alloy structural steel seamless steel pipe :
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Alloy structural steel seamless steel pipe :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Alloy structural steel seamless steel pipe 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 Alloy structural steel seamless steel pipe
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent 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 no problem.
6、 Alloy structural steel seamless steel pipe Images：
- Q: How are steel pipes used in the construction of dams and water reservoirs?
- Steel pipes find widespread application in the construction of dams and water reservoirs owing to their remarkable durability, strength, and capacity to endure heavy loads and high pressure. These pipes serve multiple indispensable functions within the realm of dam and reservoir construction. A primary utility of steel pipes in these structures lies in their capacity to transport water. They are employed to convey water from its source, such as a river or stream, to the reservoir or dam. These pipes are engineered to withstand the elevated water pressure, ensuring a consistent flow of water to the reservoir. The durability of steel pipes enables them to remain intact even in the harshest environmental conditions. In addition to water conveyance, steel pipes are also utilized for drainage purposes. They are employed to establish drainage systems that help regulate the water level within the reservoir or dam. These pipes are strategically positioned to control the water flow and prevent potential flooding or overflow. Steel pipes are also integrated into the construction of spillways and outlets in dams and reservoirs. Spillways are designed to release excess water from the reservoir during heavy rainfall or when the water level exceeds predetermined thresholds. Steel pipes are employed in crafting these spillways to provide a controlled pathway for water discharge, thus averting any harm to the dam or surrounding areas. Moreover, steel pipes are employed in the construction of penstocks, which are large conduits that transport water from the reservoir to turbines in hydropower plants. The pressure generated by the water within these pipes propels the turbines, facilitating electricity generation. The robustness and durability of steel pipes are vital in ensuring the smooth and efficient operation of hydropower plants. All in all, steel pipes occupy an indispensable role in the construction of dams and water reservoirs. Their durability, strength, and ability to withstand high pressure render them an ideal choice for various aspects of these structures, including water transportation, drainage systems, spillways, and penstocks.
- Q: What are the different methods of pipe lining for steel pipes?
- Some of the different methods of pipe lining for steel pipes include slip lining, cured-in-place pipe lining (CIPP), pipe bursting, and sliplining. Slip lining involves inserting a smaller diameter pipe into the existing steel pipe, while CIPP involves inserting a resin-impregnated liner into the pipe and curing it in place. Pipe bursting involves breaking the existing steel pipe and replacing it with a new pipe, while sliplining involves inserting a new pipe into the existing steel pipe without breaking it.
- Q: What are the different strategies for pipe laying using steel pipes?
- There are several strategies for pipe laying using steel pipes, including open cut trenching, trenchless methods such as horizontal directional drilling (HDD), microtunneling, and pipe jacking. In open cut trenching, a trench is dug and the steel pipes are laid in the trench before it is backfilled. HDD involves drilling a small pilot hole underground and then pulling the steel pipes through the hole. Microtunneling uses a remote-controlled boring machine to excavate a tunnel and install the steel pipes simultaneously. Pipe jacking involves pushing the steel pipes into the ground using hydraulic jacks while excavating the soil in front of the pipes. Each strategy has its advantages depending on the specific project requirements and conditions.
- Q: Can steel pipes be used for conveying potable water?
- Yes, steel pipes can be used for conveying potable water. However, it is important to ensure that the steel pipes are coated or lined with suitable materials to prevent corrosion and contamination of the water supply. Regular maintenance and monitoring of the pipes are also necessary to ensure the water remains safe for consumption.
- Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
- DN represents the path of the tube". Fair represents diameter. Path is the diameter of the fluid through which it should be inside. The diameter may be the outer diameter or the inner diameter. The diameter is only used when the pipe is used for flow through. Fair as long as the garden can be used. According to the requirements of mechanical drawing fair, DN text notes.
- Q: How do you calculate the pipe pressure drop coefficient for steel pipes?
- To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe length, diameter, roughness, and fluid flow rate. The coefficient can be determined using empirical correlations or charts based on these parameters, ensuring accurate estimation of pressure drop in steel pipes.
- Q: How do you protect steel pipes from rusting?
- Steel pipes can be protected from rusting by applying a protective coating such as paint or zinc coating. Additionally, using corrosion inhibitors, maintaining proper drainage, and keeping the pipes dry can help prevent rust formation. Regular inspection and maintenance are also crucial to identify and address any potential issues before they escalate.
- Q: How are steel pipes used in the transportation of fluids?
- Steel pipes are commonly used in the transportation of fluids due to their high strength and durability. They are used in various industries, including oil and gas, water supply, and sewage systems. Steel pipes are ideal for fluid transportation as they can handle high pressure and are resistant to corrosion. They are used to transport liquids and gases over long distances, ensuring a safe and efficient flow of fluids.
- Q: How do steel pipes handle expansion and contraction?
- Steel pipes handle expansion and contraction through their inherent elasticity and ability to withstand high temperatures. When exposed to heat, steel pipes expand due to thermal expansion, and when cooled, they contract due to thermal contraction. This expansion and contraction are accommodated by the flexibility of the steel material, allowing it to withstand the changes in size without significant damage or deformation. Additionally, proper installation techniques such as the use of expansion joints and loops can also help accommodate the expansion and contraction of steel pipes, ensuring their integrity and longevity.
- Q: What are the advantages of using steel pipes in construction?
- There are several advantages of using steel pipes in construction. Firstly, steel pipes are incredibly strong and durable, providing excellent structural integrity and long-term reliability. They can withstand high pressure and heavy loads, making them suitable for various applications such as water and gas transportation, oil pipelines, and building frameworks. Secondly, steel pipes have a high resistance to corrosion, which ensures longevity and reduces maintenance costs. Additionally, steel pipes are versatile and can be easily customized to meet specific project requirements, as they come in various sizes, shapes, and thicknesses. Lastly, steel pipes are environmentally friendly, as they are recyclable, reducing the overall carbon footprint of construction projects.
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Alloy structural steel seamless steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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