Carbon Steel Seamless Pipe For Boiler Cr9Mo CNBM

Carbon Steel Seamless Pipe For Boiler Cr9Mo CNBM System 1

Carbon Steel Seamless Pipe For Boiler Cr9Mo CNBM

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 30 pc/month

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Quick Details

Thickness:	1.2 - 20 mm	Section Shape:	Round	Outer Diameter:	12.7 - 168 mm
Place of Origin:	Jiangsu China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Boiler Pipe
Technique:	Cold Drawn	Certification:	PED	Surface Treatment:	oil coating
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	ASTM A213:	T2,T5,T9,T11,T12,T22,T23,T91,T91
ASTM A335:	P1,P2,P5,P9,P11,P12,P22,P23,P91,P92	DIN17175:	15Mo3,10CrMo910,12CrMo195,13CrMo44	Grade:	12Cr1MoV,Cr5Mo,Cr9Mo,12Cr1MoVG,Cr5MoG,A335 P11,A335 P5,A335 P9,A335 P1,A213,A192,A210,A335 P12,A335 P23,St35.8,Cr-Mo alloy,A53-A369,ST35-ST52
Standard:	BS 3059-2,DIN EN 10216-1-2004,DIN 17175,ASTM A213-2001,ANSI A210-1996,ASTM A179-1990,BS,DIN,ASTM

Packaging & Delivery

Packaging Detail:	Seaworthy export packing
Delivery Detail:	45 Days

Specifications

Standard: ASTM A179,ASTM A192,ASTM A210,DIN17175,EN10216-1
Material:P235GH,ST35.8,ST45.8
Manufacture method:cold drawn

Product Description

Commodity: Carbon steel seamless pipe for boiler

Standard&material: ASTM A179,ASTM A192,ASTM A210 Gr.A1,Gr.C,DIN17175 ST35.8,ST45.8,EN10216-1 P235GH,P265GH,etc.

Size range: 12mm*1.2mm - 168mm*20mm

Manufacture method: cold rolled, cold drawn

Delivery condition: Normalized, Normalized and Tempered.

Mill test certificate as per EN10204 3.1B is available.

Third party inspection is acceptable.

Tubes will be ECT+UT.

Q: What is the impact toughness of steel pipes?: The ability of steel pipes to withstand sudden or high-velocity impacts without fracturing or breaking is referred to as their impact toughness. This property measures the material's resistance to cracking when subjected to dynamic loading conditions. The impact toughness of steel pipes is highly significant as it determines their capacity to endure accidental impacts or external forces during transportation, installation, and operation. To evaluate the impact toughness of steel pipes, standardized tests such as the Charpy V-notch test or the Izod test are commonly utilized. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the amount of energy absorbed by the material until it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it signifies a greater ability to absorb energy and resist fracture, making them more resilient to sudden impacts or loading conditions. This characteristic is particularly crucial in applications where steel pipes are exposed to high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Several factors can influence the impact toughness of steel pipes, including their chemical composition, heat treatment, and microstructure. For instance, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing crack propagation. Similarly, appropriate heat treatment processes like quenching and tempering can optimize the material's microstructure and mechanical properties, thereby improving its impact toughness. In conclusion, the impact toughness of steel pipes is a vital property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and can be influenced by factors such as chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture when subjected to dynamic loading conditions.

Q: Can steel pipes be used for structural supports?: Yes, steel pipes can be used as structural supports due to their high strength, durability, and ability to withstand heavy loads. They are commonly used in construction for applications such as columns, beams, and braces, providing stability and support to various structures.

Q: What are the different shapes available for steel pipes?: There are several different shapes available for steel pipes, including round, square, rectangular, and oval.

Q: What are the different methods of pipe repair for steel pipes?: There are several different methods of pipe repair for steel pipes, depending on the severity and location of the damage. Here are some of the most common methods: 1. Welding: This is a common method used for repairing steel pipes, especially when the damage is localized. The damaged section of the pipe is cut out, and a new piece of pipe is welded in its place. The weld is then inspected to ensure its strength and integrity. 2. Pipe wrapping: This method involves wrapping a layer of fiberglass or epoxy around the damaged section of the pipe. The wrap is applied tightly and securely to provide structural reinforcement and prevent further leakage or corrosion. 3. Pipe lining: This technique involves inserting a flexible liner into the damaged pipe. The liner is made of materials such as epoxy, PVC, or cured-in-place pipe (CIPP). Once inserted, the liner is inflated or heated to conform to the shape of the pipe, creating a new inner surface that is resistant to corrosion and leakage. 4. Slip lining: Similar to pipe lining, slip lining involves inserting a smaller diameter pipe into the damaged pipe. The smaller pipe acts as a protective sleeve, providing structural reinforcement and preventing further deterioration of the original pipe. 5. Pipe bursting: This method is used when the damage to the pipe is extensive. A new pipe is pulled through the damaged one, using a hydraulic or pneumatic system. As the new pipe is pulled through, it bursts the old pipe, creating a larger diameter pipe with minimal disruption to the surrounding area. 6. Clamp or sleeve repair: In cases where the damage is small and localized, a clamp or sleeve can be used to provide a temporary or permanent fix. The clamp or sleeve is placed over the damaged section and tightened securely to prevent leakage. It is important to note that the best method of pipe repair for steel pipes depends on various factors such as the extent of damage, accessibility, cost, and structural requirements. Consulting with a professional pipe repair specialist or engineer is recommended to determine the most suitable method for your specific situation.

Q: How are steel pipes used in the construction of skyscrapers?: Steel pipes are used in the construction of skyscrapers primarily for their strength and durability. These pipes provide structural support and serve as columns, beams, and foundations, helping to distribute the weight and withstand the immense forces exerted on tall buildings. Additionally, steel pipes are used for plumbing and HVAC systems, allowing for efficient water supply, drainage, and climate control throughout the skyscraper.

Q: How are steel pipes used in the manufacturing of geothermal systems?: Steel pipes are used in the manufacturing of geothermal systems for their durability and heat conductivity. They are used to transport fluids, such as water or steam, between the geothermal source and the heat pump or power generator. Steel pipes can withstand high temperatures and pressures, making them ideal for the harsh environment of geothermal systems. Additionally, their corrosion resistance ensures the longevity and efficiency of the system.

Q: What are the common challenges faced during steel pipe installation?: When installing steel pipes, there are various challenges that may arise. One of these challenges involves the need to ensure that the pipe sections are properly aligned and fit together correctly. Welding or threading is typically used to join steel pipes, and if the alignment is not precise, it can result in leaks or weak points in the pipeline. To overcome this challenge, it is necessary to use careful measurements and alignment techniques to ensure a secure and tight fit between the pipe sections. Another challenge that arises is dealing with corrosion and rust. Steel pipes are prone to corrosion, especially when exposed to moisture or corrosive substances. This can lead to the deterioration of the pipes over time, compromising their structural integrity and increasing the risk of leaks. To address this challenge, it is possible to apply protective coatings or linings to the steel pipes to prevent corrosion and extend their lifespan. Additionally, the weight and size of steel pipes can pose a challenge during installation. Steel pipes are heavy, and it can be physically demanding to maneuver and position them. Moreover, the large diameter of some steel pipes makes it difficult to transport and handle them in tight spaces or through narrow pathways. Overcoming this challenge often requires the use of heavy machinery, such as cranes or forklifts, to lift and position the pipes correctly. Lastly, environmental factors can also present challenges during steel pipe installation. Extreme temperatures, harsh weather conditions, or unstable soil conditions can impact the installation process. For example, freezing temperatures can make it challenging to weld the pipes, while unstable soil may require additional reinforcement or stabilization measures to ensure the longevity of the pipeline. In conclusion, the challenges commonly faced during steel pipe installation include the need for proper alignment, the issue of corrosion and rust, the handling of the weight and size of the pipes, and the consideration of environmental factors. Overcoming these challenges requires careful planning, attention to detail, and the utilization of appropriate techniques and equipment.

Q: What are the common applications of steel pipes?: Steel pipes have a wide range of common applications, including plumbing systems, transportation of liquids and gases, construction projects, oil and gas exploration, as well as in industrial processes such as manufacturing and power generation.

Q: Is the steel frame on each floor supporting formwork (floor) called full scaffolding?: The use of scaffold as its height, when the ceiling height below 3.6M, no matter what the ceiling decoration, decorative scaffolding are calculated

Q: What is the typical lifespan of steel pipes?: The lifespan of steel pipes can differ based on several factors, including the steel quality, environmental conditions, and pipe maintenance and usage. On average, steel pipes typically last between 50 and 100 years. However, by installing them correctly, conducting regular inspections, and maintaining them appropriately, steel pipes can often surpass this lifespan and offer dependable service for many decades. It is worth noting that corrosion, erosion, and external damage can affect the longevity of steel pipes. Therefore, it is essential to implement preventive measures and carry out necessary repairs to guarantee their durability.

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