ASTM A213 T91 boiler tube 32

Ref Price:

Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 30000 kg/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat Exchanger

Seamless Steel Tubes And Pipes For Automotive Axle Housing

API 5DP oilfield use drill pipe

Hollow Section Steel Tubes（Hot Rolled/Cold Rolled）

Seamless steel pipe higher quality low price ASTM A179, ASME SA179

Seamless tube ASTM A53/ASTM A 106/API 5L grade B

Seamless Steel Pipe hot Rolled/Cold Rolled/ GRADE B

Seamless A192-02 America Standard Steel Tube ASTM Steel Pipe

Alloy pipe stock grade A335P11/P22/P12/P91/P92/P9/P5 A213 T11/T22/T12/T91/T91/T9/T5

T91 alloy pipe is America national tree like ridge and America combustion new martensitic heat-resistant steel engineering company metallurgical materials laboratory research work. It is to reduce the carbon content of 9Cr1MoV steel on the basis of the content of sulphur, phosphorus, strictly limit the vanadium, niobium, adding small amount of alloying elements.

The number of K90901 T91 alloy tube

T91 alloy tube

T91 alloy pipe specifications: 8-1240 x 1-200mm

Overview of T91 alloy tube:

T91 alloy tubes for ferrite and Olympic alloy steel seamless steel tube boiler, overheating and heat exchanger belongs to (ASTM A213 / A213M-07a)

Use:

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 industrial pipe.

Heat treatment of T91 alloy tube:

The final heat of T91 treatment for normalizing and high temperature tempering, normalizing temperature 1040 C, the holding time of not less than 10 min, the tempering temperature is 730 to 780 DEG C, the heat preservation time is not less than 1h, the final heat treatment on Microstructure of tempered martensite

Q: Can steel pipes be used for underground sewer systems?: Yes, steel pipes can be used for underground sewer systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them a suitable choice for underground applications such as sewer systems. However, it is important to consider factors like soil conditions, potential for corrosion, and local regulations before selecting steel pipes for an underground sewer system.

Q: How are steel pipes used in airport infrastructure?: Steel pipes are widely used in airport infrastructure for various purposes. They are used for constructing the framework of airport terminals, hangars, and other buildings. Steel pipes are also used for the installation of HVAC systems, electrical wiring, and plumbing in airport facilities. Additionally, steel pipes are used for the construction of runways, taxiways, and aprons, providing a strong and durable foundation for aircraft operations.

Q: How do you determine the required support spacing for steel pipes?: Various factors, including the diameter of the pipe, the strength of the material, the operating conditions, and local building codes and regulations, determine the required support spacing for steel pipes. When considering the diameter of the pipe, it is crucial to note that larger pipes generally need more frequent support to prevent excessive deflection and sagging compared to smaller pipes. The strength of the material is also a significant consideration, as pipes with greater strength can span longer distances without requiring additional support. The operating conditions of the pipe, such as the type of fluid being transported and the temperature, also play a role in determining the necessary support spacing. For instance, pipes carrying heavy or corrosive fluids may require more frequent support to prevent excessive stress and potential failure. Local building codes and regulations often provide specific guidelines for the minimum support spacing of steel pipes. These regulations take into account factors such as the diameter of the pipe, the strength of the material, the operating conditions, as well as safety and structural requirements. To accurately determine the required support spacing for steel pipes, it is essential to consult relevant codes, standards, and engineering guidelines. Additionally, working with qualified engineers and professionals experienced in pipe design and installation will ensure that the support spacing meets all necessary requirements, ensuring the safe and efficient operation of the piping system.

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: What are the advantages of using steel pipes in irrigation systems?: There are several advantages of using steel pipes in irrigation systems. Firstly, steel pipes are highly durable and can withstand harsh weather conditions and heavy loads, ensuring a long lifespan. Secondly, they have a high tensile strength, which means they can handle high pressure and water flow rates without the risk of bursting or leaking. Additionally, steel pipes are resistant to corrosion, which is crucial for maintaining water quality and preventing contamination. Lastly, steel pipes are easy to install and maintain, making them cost-effective in the long run.

Q: How are steel pipes tested for mechanical strength?: Steel pipes are typically tested for mechanical strength through various destructive and non-destructive testing methods. Destructive tests involve subjecting the pipes to tension, compression, or bending forces until failure occurs, allowing the measurement of their ultimate tensile strength, yield strength, and elongation. Non-destructive tests, such as ultrasonic testing, magnetic particle inspection, or radiographic examination, are also conducted to detect any internal or surface defects that may affect the mechanical strength of the pipes. These tests ensure that steel pipes meet the required standards and specifications in terms of their mechanical strength.

Q: How are steel pipes marked for identification and traceability?: Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.

Q: What is the purpose of galvanizing steel pipes?: The purpose of galvanizing steel pipes is to provide them with a protective coating that helps prevent corrosion and extends their lifespan.

Q: How are steel pipes cleaned and flushed?: Steel pipes can be cleaned and flushed using various methods depending on the specific requirements and conditions. One common method is mechanical cleaning, which involves the use of wire brushes, scrapers, or other abrasive tools to physically remove any debris, rust, or scale from the inner surface of the pipes. This method is effective for removing loose or easily detachable contaminants. Chemical cleaning is another widely used method, especially for pipes with more stubborn deposits or rust. Various chemicals or cleaning agents are flushed through the pipes to dissolve or loosen the buildup, which can then be washed away. Acid-based solutions are commonly used for this purpose, but it is important to choose the appropriate chemical and concentration to avoid damaging the pipes. High-pressure water jetting is another effective method for cleaning and flushing steel pipes. Water is pumped at high pressure through a nozzle, creating a powerful jet that can dislodge and remove any debris or deposits from the pipe walls. This method is particularly useful for removing hard or compacted materials that cannot be easily removed by other means. In some cases, a combination of these methods may be required to achieve the desired cleanliness. For instance, a pre-cleaning with mechanical tools can be followed by chemical cleaning or high-pressure water jetting to ensure thorough flushing and removal of contaminants. Regular maintenance and cleaning of steel pipes are essential to maintain their efficiency and prevent corrosion. It is important to follow proper procedures and safety guidelines when cleaning and flushing steel pipes to ensure effective results and avoid any damage to the pipes.

Q: What is lined pipe?: There are inner pipe jacket, such as day, tube, etc.; there are outside the pipe painted, such as large-diameter water pipes. An internally coated steel pipe for corrosive medium fluids replaces the expensive stainless steel pipe.

Send your message to us

*Email

*TEL

*Quantity

*Unit