Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM

Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM System 1

Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#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 - 14 mm	Section Shape:	Round	Outer Diameter:	8 - 80 mm
Place of Origin:	HEB,HEB,HEB,China,FORM A,FORM E China (Mainland) Ch China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Hydraulic Pipe
Technique:	Cold Rolled	Certification:	ISO9001:2008	Surface Treatment:	oil
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	length:	5-8m
usage3:	machine bush parts	usage4:	machine and engine pin	usage5:	tunnel and anchor rod
Test:	eddy current test,Ultrasonic Testing	usage2:	shock absorption bush	usage1:	power transmission machinery
colour:	black	name:	large-diameter hot-expanding seamless steel pipe	Grade:	10#,20#,45#,16Mn,16Mo,16mo3,Q345,ST35,St37,ST37.4,St52,10#-45#,Mo,Q195-Q345,ST35-ST52
Standard:	ANSI A210-1996,ASTM A1020-2002,ASTM A213-2001,ASTM A403-2007,ASTM A789-2001,BS 1387,BS EN10296,DIN 17175,DIN EN 10025,DIN EN 10217-1-2005,GB/T8162,GB/T8163,JIS G3459-2004,JIS G3461-2005,ASTM,BS,DIN,GB,JIS

Packaging & Delivery

Packaging Detail:	Marking: as per customer's requests. Painting varnish coating on the pipe. steel trips, woven bag
Delivery Detail:	10-45 days or as the customer's request

Seamless Carbon Hard Steel Pipe&Tube For Tunnel And Anchor Rod

Type	Manufacture & Sales OEM
Process	Seamless, Cold drawn and Cold rolled, finish-rolled
Material	20#, 10#, 45#, 35# , Q345, 16Mn, 42CrMo
size	Outer Diameter	8 –80mm
	Wall Thickness	1-14mm
	Length	5-10m
Standard	DIN st42, st45, st35, st37 and st52, GB 8162
Package	1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's requestments. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.
Delivery Time	15to20 days or as clients reqestments

Q:What are the different types of fittings used with steel pipes?: Steel pipes are commonly paired with various fittings that serve to connect, control, or alter the flow direction in a piping system. Some of these fittings include: 1. Elbow fittings: Designed to modify the flow direction, elbow fittings are available in different angles, such as 45 or 90 degrees. They are frequently utilized to navigate obstacles or introduce bends in the pipe. 2. Tee fittings: Tee fittings are implemented to create a branch or division in the piping system. With three openings, one perpendicular to the other two, they enable the connection of two pipes at a 90-degree angle. 3. Coupling fittings: Used to join two pipes of the same size, coupling fittings are typically threaded and can be easily fastened or removed with a wrench. They are commonly employed when pipes need to be connected or repaired. 4. Reducer fittings: Reducers are employed to connect pipes of varying sizes. They consist of one end with a larger diameter and another end with a smaller diameter. Reducers are often employed to transition between pipe sizes or adapt to different equipment or fittings. 5. Flange fittings: Flanges are utilized to establish a secure and leak-proof connection between pipes, valves, or other equipment. They consist of a flat, circular plate with holes to accommodate bolts or screws for fastening the flange to the pipe. Flange fittings find frequent use in applications that necessitate frequent disassembly and reassembly. 6. Union fittings: Union fittings are employed to join two pipes in a manner that facilitates easy disconnection. They comprise three parts: a nut, a female end, and a male end. Union fittings are commonly used in scenarios that require periodic maintenance or repairs. 7. Cap fittings: Cap fittings are employed to seal the end of a pipe. Usually threaded, they can be effortlessly screwed onto the pipe's end. Cap fittings are commonly used in instances where temporary closure or protection of pipes is necessary. These examples represent some of the various fittings utilized with steel pipes. The specific fitting required depends on factors such as the application, pipe size and material, as well as the desired functionality of the piping system.

Q:What are the different methods of protecting steel pipes from corrosion?: There are several methods of protecting steel pipes from corrosion, including: 1. Coatings: Applying protective coatings such as epoxy, polyethylene, or zinc to the surface of the steel pipes can create a barrier against corrosive elements. 2. Cathodic Protection: This method involves installing sacrificial anodes or impressed current systems to provide a protective current that counteracts the corrosion process. 3. Corrosion Inhibitors: Adding chemicals or inhibitors to the fluid or environment surrounding the pipes can reduce the rate of corrosion. 4. Internal Linings: Applying internal linings made of resin, cement, or other materials can protect the inner surface of the pipes from corrosion caused by the transported fluid. 5. Design Considerations: Implementing proper design practices like avoiding sharp bends and crevices, ensuring proper drainage, and using corrosion-resistant alloys can help prevent corrosion in steel pipes.

Q:How do you calculate the deflection of a steel pipe?: To calculate the deflection of a steel pipe, you need to consider various factors such as the material properties, applied loads, and geometrical characteristics. The following steps can guide you through the process: 1. Determine the material properties: Obtain the necessary information about the steel pipe, such as its Young's modulus (E), which represents its stiffness or resistance to deformation. This value is typically provided by the manufacturer or can be found in material databases. 2. Analyze the applied loads: Identify the types and magnitudes of the loads acting on the steel pipe. These loads can include point loads, distributed loads, or a combination of both. Determine the location and orientation of the applied loads as well. 3. Evaluate the pipe's geometry: Measure or obtain the dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t). Ensure that these values are accurate to achieve a precise calculation. 4. Select an appropriate calculation method: Depending on the complexity of the loading and support conditions, you may need to use either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. Apply the appropriate equations: For simple beam theory, you can use the Euler-Bernoulli beam equation to calculate the deflection at a specific point on the pipe. This equation is based on assumptions that the pipe is homogeneous, linearly elastic, and subjected to small deflections. For more complex scenarios, FEM software can handle the calculations. 6. Determine the boundary conditions: Identify the support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both. These conditions significantly affect the pipe's deflection. 7. Calculate the deflection: Using the equations relevant to your chosen method and incorporating the material properties, applied loads, and geometry, you can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If you lack experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.

Q:Are steel pipes resistant to UV degradation?: In general, steel pipes lack resistance to UV degradation. When exposed to ultraviolet (UV) radiation for extended periods, steel pipes may experience different types of degradation. The steel can become prone to brittleness, resulting in cracks and potential failure. Moreover, UV radiation can induce corrosion and discoloration on the surface of the steel pipes. To counteract the effects of UV degradation, it is possible to apply protective coatings or paint to create a barrier against UV radiation. Regular maintenance and inspections are crucial to detect any indications of UV degradation and implement necessary actions to prevent further deterioration.

Q:Can steel pipes be used for underground cable conduits?: Yes, steel pipes can be used for underground cable conduits. Steel pipes have high strength and durability, making them suitable for protecting and housing cables underground. They provide excellent protection against external elements and can withstand a wide range of environmental conditions. Additionally, steel pipes offer good resistance to corrosion, ensuring the longevity of the cable conduit system.

Q:What are the different end types for steel pipes?: There are several different end types for steel pipes, including plain ends, beveled ends, threaded ends, and grooved ends. Plain ends are smooth and do not have any special features. Beveled ends are cut at an angle to facilitate welding. Threaded ends have threads that allow for easy installation with other fittings. Grooved ends have grooves that enable quick and secure connections using couplings.

Q:Can steel pipes be used for conveying sewage sludge?: Indeed, sewage sludge can be conveyed using steel pipes. Steel pipes possess several properties that render them suitable for this purpose. Firstly, their strength and durability enable them to endure the pressure and weight of sewage sludge without collapsing or fracturing. This is of utmost importance as sewage sludge can be quite heavy and may contain solids that could exert stress on the pipes. Secondly, steel pipes exhibit resistance to corrosion, which is crucial when conveying sewage sludge that frequently contains corrosive components. By utilizing corrosion-resistant steel pipes, one can ensure a prolonged lifespan and minimize the risk of leaks or damage. Moreover, steel pipes can be manufactured in various sizes and diameters, granting flexibility in the design of sewage systems to meet specific requirements. Nonetheless, it is vital to emphasize the necessity of proper maintenance and regular cleaning to prevent sludge buildup and maintain the pipes' efficiency.

Q:How are steel pipes protected against ultraviolet (UV) radiation?: Steel pipes are typically protected against ultraviolet (UV) radiation through the application of specialized coatings or paints that act as a barrier, preventing direct exposure of the steel to UV rays. These coatings are designed to withstand UV degradation, prevent corrosion, and extend the lifespan of the pipes.

Q:What is the role of steel pipe manufacturers in sustainable development?: The role of steel pipe manufacturers in sustainable development is to promote environmental responsibility and resource efficiency throughout the production process. They play a crucial role in reducing carbon emissions by adopting cleaner technologies, optimizing energy consumption, and implementing waste management strategies. Additionally, steel pipe manufacturers can contribute to sustainable development by prioritizing the use of recycled materials, supporting recycling initiatives, and ensuring their products have a long lifespan to minimize waste generation. By embracing sustainable practices, steel pipe manufacturers can help create a more sustainable future for the construction and infrastructure industries.

Q:Can steel pipes be used for underground gas pipelines?: Yes, steel pipes can be used for underground gas pipelines. Steel pipes are often the preferred choice for underground gas pipelines due to their strength, durability, and resistance to corrosion. They can effectively handle the high pressure and extreme temperature variations associated with transporting gas underground.

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