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: How do you cut steel pipes?: One common method to cut steel pipes is by using a hacksaw or a reciprocating saw fitted with a metal-cutting blade. However, for larger and thicker pipes, professionals often employ specialized tools such as a pipe cutter or a plasma cutter, which offer more precision and efficiency.

Q: What are the different types of steel pipe caps?: There exists a variety of steel pipe caps, each serving specific purposes and applications. A few commonly used types are as follows: 1. Threaded Caps: These caps possess internal threads that enable them to be screwed onto threaded pipes, ensuring a secure seal. They find frequent usage in plumbing and gas-related tasks. 2. Socket Weld Caps: These caps are designed for welding onto pipe ends using a socket weld connection. They offer a strong and permanent seal, rendering them suitable for high-pressure and high-temperature tasks. 3. Butt Weld Caps: Butt weld caps, similar to socket weld caps, are meant for welding onto pipe ends. However, they are specifically designed for butt welding, which involves directly welding the cap to the pipe without additional fittings. 4. Domed Caps: These caps have a domed or rounded shape on the upper surface, providing a smooth and visually pleasing finish. They are commonly applied in architectural and decorative tasks, such as handrails or fence posts. 5. Flat Caps: As the name suggests, flat caps possess a flat upper surface. They are often utilized when a simple and low-profile cap is required, such as for safeguarding pipe ends in industrial applications. 6. Blind Caps: Blind caps are employed to permanently seal off pipe ends. They are solid caps without any openings or threads, ensuring complete closure. They are frequently utilized in piping systems where a section of the pipeline is not in use or temporarily needs to be closed off. These examples merely scratch the surface of the various steel pipe caps available. The selection of a cap depends on specific application requirements, including the type of connection, pressure, temperature, and the necessity for structural or decorative finishes. It is crucial to choose the appropriate cap to guarantee a secure and reliable seal for the pipe.

Q: How do you calculate the bending moment of a steel pipe?: To determine the bending moment of a steel pipe, one must take into account both the applied load and the structural characteristics of the pipe. The bending moment quantifies the internal forces within the pipe caused by the applied load. To calculate the bending moment, one can use the following equation: Bending Moment = Load x Distance In this equation, the load represents the external force acting on the pipe, and the distance refers to the separation between the point of load application and the point where the bending moment is being evaluated. For an accurate bending moment calculation, it is necessary to consider the properties of the steel pipe. These properties encompass the pipe's cross-sectional area, second moment of area (also known as the moment of inertia), and the modulus of elasticity. The second moment of area demonstrates the pipe's resistance to bending and can be computed based on the dimensions of the pipe's cross-section. The modulus of elasticity signifies the pipe's stiffness and can be obtained from material properties data. Once the load, distance, cross-sectional area, moment of inertia, and modulus of elasticity are determined, they can be inputted into the bending moment equation to ascertain the bending moment for the steel pipe. It is important to recognize that the calculation of bending moment assumes linear elastic behavior, which implies that the pipe does not surpass its elastic limit nor undergo plastic deformation. If the pipe is exposed to loads surpassing its capacity, the bending moment calculation may not accurately depict the actual behavior of the pipe. In such instances, it is recommended to consult a structural engineer or employ more sophisticated analysis methods to precisely evaluate the bending moment.

Q: What are the different types of steel pipe coatings for underground gas pipelines?: There are several types of steel pipe coatings commonly used for underground gas pipelines, including fusion-bonded epoxy (FBE) coating, polyethylene (PE) coating, and polyurethane (PU) coating. Each coating provides different levels of protection against corrosion and abrasion, ensuring the longevity and integrity of the gas pipeline.

Q: What is the purpose of steel pipes?: The purpose of steel pipes is to provide a reliable and efficient means of transporting fluids and gases, such as water, oil, and natural gas, over long distances. They are also used in various industries for structural support, as well as in plumbing and construction projects.

Q: What are the factors to consider when selecting pipe materials for high-temperature applications?: When choosing pipe materials for high-temperature applications, several factors must be taken into account. First and foremost, the thermal conductivity of the material is crucial. Efficient heat transfer and prevention of heat buildup are necessary in high-temperature applications, therefore materials with high thermal conductivity, like copper and stainless steel, are commonly used in these installations. Secondly, it is important to consider the material's resistance to thermal expansion. Pipes tend to expand when exposed to high temperatures, so selecting materials with low thermal expansion coefficients is vital to avoid deformation and potential pipe failure. Carbon steel and stainless steel are suitable options as they exhibit relatively low thermal expansion. The material's mechanical strength and resistance to corrosion should also be considered. High temperatures can weaken or corrode certain materials, leading to structural failures. Therefore, it is essential to choose materials, such as alloy steel and nickel-based alloys, that can withstand high temperatures without compromising their mechanical strength or corroding easily. Additionally, the cost and availability of the materials should be taken into account. Some high-temperature pipe materials may be expensive or hard to obtain, which can impact the project's budget and timeline. It is important to find a balance between the desired material properties and the project's financial and logistical constraints. Lastly, it is crucial to consider the specific application requirements and industry standards. Different industries may have guidelines or regulations regarding pipe materials for high-temperature applications. Ensuring that the selected materials comply with these standards is essential for safety, reliability, and adherence to industry regulations. To conclude, the factors to consider when choosing pipe materials for high-temperature applications include thermal conductivity, resistance to thermal expansion, mechanical strength, resistance to corrosion, cost and availability, and compliance with industry standards. By carefully evaluating these factors, one can select the most suitable pipe material to ensure efficient and reliable operation in high-temperature environments.

Q: Can steel pipes be used for bridge piling?: Yes, steel pipes can be used for bridge piling. Steel pipes are commonly used in bridge construction due to their strength, durability, and resistance to corrosion. They provide sufficient load-bearing capacity and can be driven deep into the ground to provide stable support for bridges.

Q: How are steel pipes used in the water treatment industry?: Steel pipes are used in the water treatment industry for various applications such as transporting water from the source to the treatment plant, distributing treated water to consumers, and conducting tests and inspections of the water quality.

Q: What are the different methods of lining steel pipes?: There are several methods of lining steel pipes, each with its own advantages and uses. Some common methods include: 1. Cement Mortar Lining: This involves the application of a layer of cement mortar on the inner surface of the steel pipe. Cement mortar provides excellent corrosion resistance and smoothness to the pipe, reducing friction and improving flow rates. It is commonly used in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining involves the insertion of a polyethylene tube into the steel pipe. The tube is usually heat fused or mechanically connected to the steel pipe, creating a seamless and corrosion-resistant lining. PE lining is commonly used in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin to the inner surface of the steel pipe. Epoxy coatings provide excellent resistance to corrosion, abrasion, and chemicals, making them suitable for various applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method is used to rehabilitate existing steel pipes without the need for excavation. It involves the insertion of a liner or resin-coated fabric into the existing pipe, which is then inflated and cured to form a new lining. Trenchless pipe lining is commonly used for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves spraying or pouring a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings provide excellent resistance to abrasion, impact, and chemicals, making them suitable for applications in mining, slurry pipelines, and wastewater treatment. These are just a few of the many methods available for lining steel pipes. The choice of lining method depends on factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

Q: Can steel pipes be used for conveying liquids and gases?: Yes, steel pipes can be used for conveying both liquids and gases. They are commonly used in industries such as oil and gas, water supply, and sewage systems due to their durability, strength, and resistance to corrosion.

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