Seamless steel pipe

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: -

Supply Capability:: 20000ton m.t./month

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Product Descriptions

Product name: Seamless steel pipe

Outside Diameter : 1/2" -24"

Walk Thickness: 5-30mm(SCH 10---SCH XXS)

Length: 5.8m, 6m, 11.8m,12m or as customer's requirements

Standard: ASME , ANSI, DIN,GB8162/8163,GB 3087, JIS, API 5L ,EN10216

Material: ASTM A 179 ,A106Gr B/C,API5L Gr.B, X42,X46,X52,X56,X60,X70, API 5CT J55, K55 ,N80 , L80,P110,A335 P91,A335P92,
A335P11 , A335P22,A335P5,A335P9,A691Gr11,34Mn6, 20G,20#, 10#,

Process: Hot rolled and Cold drawn

Package:Painting ,Bevel End ,with plastic cap ,in bundles

Certification: ISO9001,ASME , API 5L, CE,CCS

Application : It is widely used in mechanical processing,Petroleum,chemical, transportation ,gas, water,shipbuilding and construction industry

Third Party Inspection:OMIC,SGS,BV ,TUV

Loading Port: Tianjin xingang /Shanghai/Qingdao

Payment Term: L/C，T/T

Minimum Order : 10 tons or negotiation

Supply Ability:20000 T/Month

Q: What are the different types of supports used for steel pipes in buildings?: There are several different types of supports that are commonly used for steel pipes in buildings. 1. Pipe Hangers: These are specifically designed to support the weight of the pipe and are usually made of metal or plastic material. Pipe hangers are attached to the building structure and hold the pipe in place, preventing it from sagging or moving. 2. Pipe Clamps: These are used to secure the pipe to a wall or other structural element. Pipe clamps typically consist of a metal band that wraps around the pipe and is then secured to the structure with bolts or screws. They provide stability and prevent the pipe from shifting or vibrating. 3. Pipe Shoes: These are support devices that are installed underneath the pipe to distribute the weight evenly and provide additional support. Pipe shoes are typically made of metal or rubber and can be attached to the building structure or embedded in concrete foundations. 4. Pipe Guides: These are used to guide the movement of the pipe and prevent it from shifting or bending excessively. Pipe guides are usually made of metal or plastic and are installed at specific intervals along the length of the pipe. 5. Pipe Rollers: These are used to support horizontal pipes and allow for expansion and contraction due to temperature changes. Pipe rollers are typically made of metal and consist of a series of rollers that the pipe rests on. They allow the pipe to move freely without causing damage to the building structure. It is important to select the appropriate type of support based on the specific requirements of the steel pipe and the building structure. Properly supporting steel pipes in buildings ensures their stability, durability, and overall safety.

Q: How do steel pipes withstand pressure?: Steel pipes withstand pressure due to their inherent strength and resilience. The high tensile strength and durability of steel allow it to withstand the internal pressure exerted by fluids or gases flowing through the pipes. Additionally, the thick walls and cylindrical shape of the steel pipes distribute the pressure evenly, preventing any deformation or rupture. The seamless construction of steel pipes further enhances their ability to withstand pressure, making them a reliable choice for various applications in industries such as oil and gas, plumbing, and construction.

Q: DN80 seamless steel tube, what is the standard thickness?: Commonly used DN80 seamless steel pipe caliber should be 89mm*4mm.

Q: What is the fatigue strength of steel pipes?: The fatigue strength of steel pipes refers to the maximum stress level that the pipes can endure without experiencing fatigue failure or damage over a given number of stress cycles. It varies depending on factors such as the steel composition, manufacturing process, pipe dimensions, and environmental conditions.

Q: What are the different joining methods for steel pipes?: The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.

Q: What are the different types of steel pipe fittings for gas pipelines?: There are several types of steel pipe fittings commonly used for gas pipelines, including elbows, tees, reducers, couplings, and flanges. These fittings are essential for connecting and directing the flow of gas within the pipeline system.

Q: Galvanized steel pipe, PPR pipe, PE pipe, U-PVC pipe and HDPE double wall corrugated pipe and what is the difference between the characteristics of: U-PVC tubes are hard poly vinyl pipes, because they contain chlorine, so they are mainly used in sewer pipes or electrical wiring;HDPE double wall corrugated pipe is a high-density polyethylene pipe, because of its excellent electrical insulation performance, now mainly used for distribution line arrangement.

Q: What are the common applications of seamless steel pipes?: Due to their unique properties, seamless steel pipes are widely used in various industries. Here are some of the most common applications: 1. The oil and gas industry extensively utilizes seamless steel pipes for transporting oil, gas, and other fluids. These pipes are preferred because of their high strength, durability, and resistance to corrosion, making them suitable for harsh environments. 2. Seamless steel pipes are extensively used in construction projects, such as building, bridge, and tunnel construction. They are ideal for structural applications due to their ability to withstand heavy loads and provide excellent strength and stability. 3. The automotive industry relies on seamless steel pipes for manufacturing automotive parts, including exhaust systems, engine components, and hydraulic systems. These pipes offer high strength, reliability, and resistance to heat, making them suitable for demanding automotive applications. 4. Various mechanical and engineering applications benefit from the usage of seamless steel pipes. They are commonly used for carrying fluids, gases, and steam, as well as for transmitting power in machinery and equipment. 5. Power plants extensively utilize seamless steel pipes for transporting steam and hot water. These pipes are capable of withstanding high pressure and temperature, making them ideal for power generation applications. 6. The petrochemical industry heavily relies on seamless steel pipes for transporting chemicals, gases, and liquids. These pipes have excellent resistance to corrosion, which is essential when dealing with hazardous and corrosive substances. 7. The mining industry utilizes seamless steel pipes for various applications, including the transportation of slurry, water, and other mining-related fluids. These pipes offer durability, reliability, and resistance to abrasion, making them suitable for the challenging mining environment. 8. The aerospace industry finds applications for seamless steel pipes in manufacturing aircraft components, such as hydraulic systems, fuel lines, and structural parts. These pipes provide a high strength-to-weight ratio and resistance to extreme temperatures and pressure. Overall, seamless steel pipes play a crucial role in a wide range of industries. Their exceptional properties, including strength, durability, resistance to corrosion and high temperatures, make them an essential component in various industrial processes and infrastructure development.

Q: What is the difference between internal threading and external threading of steel pipes?: Internal threading and external threading are two different methods used to create threads on steel pipes. The main difference between them lies in the location of the threads. Internal threading refers to the process of cutting threads on the inside surface of a steel pipe. This method involves using a tool or a die to remove material from the inner diameter of the pipe, creating a helical groove. The resulting threads can be used to connect the pipe to other components, such as fittings or valves. On the other hand, external threading involves cutting threads on the outside surface of a steel pipe. This process usually requires the use of a threading die or a lathe to remove material from the outer diameter of the pipe, leaving behind a helical groove. The external threads allow the pipe to be connected to other components or fittings that have corresponding internal threads. The choice between internal and external threading depends on the specific application and the requirements of the project. Internal threading is often preferred when the pipe needs to be connected to components that have external threads, such as fittings or valves. External threading, on the other hand, is typically used when the pipe needs to be connected to components with internal threads, or when the pipe is intended to be screwed into a threaded hole or coupling. In summary, the main difference between internal threading and external threading of steel pipes is the location of the threads – internal threads are cut on the inside surface of the pipe, while external threads are cut on the outside surface. The choice between these methods depends on the specific application and the type of connections required.

Q: How does the price of steel pipes fluctuate?: The price of steel pipes fluctuates based on several factors including demand and supply dynamics, raw material costs, global economic conditions, and government policies. Changes in demand from industries such as construction, oil and gas, and manufacturing can impact the price of steel pipes. Additionally, fluctuations in the cost of raw materials like iron ore and steel scrap can influence the price. Global economic conditions and trade policies can also play a role in determining the price of steel pipes, as they affect international trade and supply chains. Overall, the price of steel pipes is subject to market forces and can vary over time.

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