Steel pipe A335P9 18-267

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Loading Port:: China Main Port

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Supply Capability:: 200T m.t./month

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A335P9 Steel pipe The standing stock of specifications

A335P9 Steel pipe 70*4.5-5-6-7-8-9-10-12-15-16
A335P9 Steel pipe 245*8-10-14-17-20 -22-30-40

P5 C≤0.15 Mn 0.3-0.6 P ≤0.25 S≤0.25

Si 0.25-1.0 Cr 8-10 Mo 0.9-1.1

Alloy pipe is a steel pipe according to the production materials (i.e. material) to define, just as its name implies is made of alloy steel seamless pipe; and is in accordance with the production process (seamed seamless) to define, seamed pipe seamless pipe is different from, including straight seam welded pipe and spiral tube.

Manufacturing process

1 hot-rolled (extrusion seamless pipe): billet, heating, perforation, three roll cross rolling, rolling or extrusion, tube off, sizing pipe (or reducing), cooling, straightening, water pressure test (or testing), marking, storage

2 cold drawing (rolling) seamless steel pipe: billet, heating, perforation, heading, annealing, pickling, oiling round tube (copper) and multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, water pressure test (testing), marking, storage

[(diameter - thickness) * wall thickness of]*0.02466=kg/ meters (per metre weight)

Alloy pipe use

Alloy pipe for low and medium pressure boiler (work pressure is generally not more than 5.88Mpa, the operating temperature at 450 DEG C) of the heating surface tube; used for high pressure boiler (work pressure is generally above 9.8Mpa, operate at a temperature of 450 DEG to 650 DEG C between) the heating surface tubes, economizer, superheater, reheater, petrochemical industry uses the tube and so on.

Q:Are steel pipes suitable for underground irrigation systems?: Yes, steel pipes are suitable for underground irrigation systems. They are durable, resistant to corrosion, and can withstand high pressure, making them a reliable choice for transporting water underground.

Q:What does "1.5" steel tube mean?: This is neither an outer diameter nor an inner diameter; it should be related to an English unit at the beginning of the pipeline development; it is usually used to describe galvanized steel pipes; it corresponds to the English units as follows:4, in charge of: 4/8 inches: DN15;? 6 in charge: 6/8 inches: DN20;? 1 inch tube: 1 inches: DN25;? inch two tubes: 1 and 1/4 inches: DN32;? inch half tube: 1 and 1/2 inches: DN40;- inch tube: 2 inches: DN50;? three inch tube: 3 inches: DN80? four inch tube: 4 inches: DN100;

Q:What are the different methods of pipe lining for steel pipes?: There are several different methods of pipe lining for steel pipes, each with its own unique features and benefits. These methods include: 1. Spray lining: In this method, a specially formulated coating is sprayed onto the interior surface of the steel pipe. The coating adheres to the pipe and forms a protective barrier against corrosion and chemical damage. Spray lining is relatively quick and cost-effective, making it a popular choice for smaller diameter pipes. 2. Cured-in-place pipe lining (CIPP): CIPP involves inserting a flexible liner into the steel pipe and then curing it in place using steam or hot water. This method creates a seamless and durable lining that restores the structural integrity of the pipe. CIPP is commonly used for larger diameter pipes and can be installed without the need for excavation. 3. Slip lining: Slip lining involves inserting a slightly smaller diameter pipe into the existing steel pipe. The annular space between the two pipes is then grouted or filled with a cementitious material. This method is effective in rehabilitating pipes with minor defects or damages and can significantly increase the pipe's lifespan. 4. Fold-and-form lining: In this method, a flexible liner is inserted into the steel pipe and then expanded to the pipe's diameter using a mechanical or hydraulic process. The liner is then folded and formed to fit the contours of the pipe before being cured in place. Fold-and-form lining is ideal for pipes with irregular shapes or bends. 5. Coating lining: Coating lining involves applying a protective coating to the interior surface of the steel pipe. The coating can be sprayed, brushed, or rolled onto the pipe's surface and provides a barrier against corrosion and chemical damage. This method is commonly used for large diameter pipes or pipes in harsh environments. Each of these methods has its own advantages and disadvantages, and the choice of the lining method will depend on factors such as pipe diameter, condition, budget, and project requirements. It is important to consult with a professional pipe lining contractor to determine the most suitable method for a specific steel pipe rehabilitation project.

Q:How are steel pipes used in the construction of buildings?: Steel pipes are commonly used in the construction of buildings for various purposes such as structural support, plumbing, and electrical installations. They provide strength and durability, allowing for the construction of high-rise buildings and large-scale structures. Steel pipes are used to create the framework of the building, forming the skeleton that supports the weight and load of the structure. Additionally, steel pipes are used for plumbing systems, effectively transporting water and sewage throughout the building. They are also used for electrical installations, providing a safe and efficient conduit for wiring. Overall, steel pipes play a crucial role in the construction of buildings, ensuring stability, functionality, and longevity.

Q:How are steel pipes protected against seismic activities?: Steel pipes are protected against seismic activities through various measures. One common method is the use of seismic restraint systems, which include bracing, clamps, and supports that are designed to withstand the forces generated during an earthquake. Additionally, pipes can be coated with corrosion-resistant materials to enhance their durability and resistance to seismic events. Regular inspection and maintenance of the pipes are also essential to ensure their continued protection against seismic activities.

Q:How are steel pipes used in the automotive exhaust system?: Steel pipes are used in the automotive exhaust system to transport and direct the flow of exhaust gases from the engine to the rear of the vehicle. These pipes are durable, heat-resistant, and corrosion-resistant, making them suitable for withstanding the high temperatures and harsh conditions of the exhaust system. Additionally, they help reduce noise and emissions by providing a pathway for the gases to exit the vehicle efficiently.

Q:Can steel pipes be used for steam distribution?: Yes, steel pipes can be used for steam distribution. Steel pipes are commonly used for conveying steam due to their high heat resistance and durability. They can withstand the high temperatures and pressures associated with steam distribution, making them a suitable choice for this application.

Q:Can steel pipes be used for oil well casing?: Yes, steel pipes can be used for oil well casing. They are commonly used in the oil and gas industry due to their durability, strength, and ability to withstand high pressure and extreme conditions found in oil wells.

Q:What does "steel pipe SC" mean?: SC is an ordinary welded pipe, equal to water professional DN, SC is welded steel pipe concealed, general pipe wall is relatively thick, S represents pipe material, C represents laying mode, TC stands for wire pipe concealed, pipe wall is thinner.

Q:What are the specifications for steel pipes used in high-pressure applications?: The specifications for steel pipes used in high-pressure applications typically include factors such as material composition, wall thickness, diameter, and pressure rating. These pipes are often made from strong and durable steel alloys, such as carbon steel or stainless steel, to ensure their ability to withstand high pressures. The wall thickness and diameter of the pipe are carefully selected to handle the specific pressure requirements of the application. Additionally, the pipes may need to meet certain industry standards, such as ASTM or ASME codes, to ensure their quality and performance in high-pressure environments.

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