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

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

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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: Are steel pipes affected by UV rays?: Yes, steel pipes can be affected by UV rays. Prolonged exposure to UV radiation can lead to the degradation of the protective coatings on steel pipes, causing them to corrode and weaken over time. It is important to implement proper protective measures, such as applying UV-resistant coatings or using protective covers, to mitigate the impact of UV rays on steel pipes.

Q: How are steel pipes protected against soil movement?: Steel pipes are protected against soil movement through various methods such as using casing pipes, employing anchor systems, implementing protective coatings, and utilizing concrete thrust blocks. These measures ensure that the steel pipes remain stable and secure in the event of soil movement.

Q: What are the different strategies for pipe laying using steel pipes?: There are several strategies for pipe laying using steel pipes, each suited for different environments and requirements. Here are some of the commonly used strategies: 1. Open Trench: This is the most traditional and widely used method, where a trench is dug along the desired pipeline route. Steel pipes are then laid in the trench, aligned, and welded together. This method allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is used when there are crossings under obstacles such as rivers or highways. It involves drilling a borehole from one side to the other, while simultaneously laying the steel pipe. The pipe is then pulled through the borehole, creating a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline needs to be installed under existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through the hole using a reaming tool. This technique minimizes disruption to the surface and reduces environmental impact. 4. Sliplining: Sliplining involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger pipe, providing a new corrosion-resistant lining. This method is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Microtunneling is similar to HDD, but it involves a microtunnel boring machine (MTBM) that excavates the soil and installs the steel pipe simultaneously. This method is often used for precision pipe laying, especially in urban areas with limited space. 6. Jacking: Jacking, also known as pipe jacking or pipe ramming, is utilized for installing steel pipes in soil conditions that are not suitable for open trenching. This method involves pushing the steel pipe into the ground using hydraulic jacks or pneumatic rams. It is commonly used for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: For subsea applications, steel pipes can be laid using a variety of techniques, such as S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each of these strategies has its own advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is important to carefully evaluate these factors and select the most suitable pipe laying strategy to ensure the safe and efficient installation of steel pipes.

Q: Seamless steel pipe is how to do it?: Seamless steel tube is a kind of steel strip with hollow section and without seams. A steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold. The manufacture of ring parts with steel tubes can improve material utilization, simplify manufacturing processes, save materials and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipes. Steel pipe or all kinds of conventional weapons indispensable materials, gun barrels are made of steel. The steel pipe can be divided into round tube and special-shaped pipe according to the sectional area shape. Because the circle area is the largest under the condition of equal circumference, more fluid can be transported with round tubes. In addition, the ring section in the internal or external radial pressure is more uniform force, so most of the steel pipe is round tube.

Q: What are the different manufacturing standards for steel pipes?: There are several different manufacturing standards for steel pipes, including American Society for Testing and Materials (ASTM), International Organization for Standardization (ISO), and American Petroleum Institute (API). These standards outline the requirements for various aspects of steel pipe manufacturing such as dimensions, material composition, mechanical properties, and testing procedures. Compliance with these standards ensures that steel pipes meet the necessary quality and performance requirements for their intended applications.

Q: How are steel pipes used in the construction of oil storage tanks?: Steel pipes are commonly used in the construction of oil storage tanks for several purposes. Firstly, they are used to create the framework and structure of the tank, providing strength and durability to support the weight of the stored oil. Additionally, steel pipes are used for the internal and external piping systems of the tank, facilitating the transportation of oil to and from the tank. Finally, steel pipes are also employed for the ventilation and drainage systems of the tank, ensuring proper airflow and drainage to prevent any potential hazards or damage.

Q: What are the advantages of using steel pipes in plumbing systems?: There are several advantages of using steel pipes in plumbing systems. Firstly, steel pipes are highly durable and can withstand high levels of pressure, making them suitable for carrying water and other fluids. Additionally, steel pipes are resistant to corrosion, which ensures longevity and prevents leaks. Steel pipes also have a smooth interior surface, which improves water flow and reduces the risk of blockages. Moreover, steel pipes are fire-resistant and do not contribute to the spread of flames, enhancing overall safety. Lastly, steel pipes are environmentally friendly as they are often made from recycled materials and can be recycled again at the end of their lifespan.

Q: What are the common maintenance practices for steel pipes?: Common maintenance practices for steel pipes include regular inspections, cleaning, and corrosion prevention. Regular inspections are crucial to identify any signs of damage or wear. This can involve visual inspections, as well as non-destructive testing methods such as ultrasonic testing or magnetic particle inspection. Inspections should be carried out on a scheduled basis to ensure any issues are detected early on and can be addressed promptly. Cleaning is another important maintenance practice for steel pipes. This involves removing any dirt, debris, or scale that may accumulate both on the inside and outside of the pipes. Regular cleaning helps to prevent blockages, improve flow efficiency, and reduce the risk of corrosion. Corrosion prevention is a key aspect of maintaining steel pipes. Various methods can be employed to protect the pipes from corrosion, such as applying protective coatings, using cathodic protection systems, or implementing corrosion inhibitors. These measures help to extend the lifespan of the pipes and ensure their structural integrity over time. Other maintenance practices may include repairing or replacing damaged sections of the pipes, maintaining proper insulation to prevent heat loss or gain, and monitoring the pipes for any signs of leakage or pressure drops. Overall, regular inspections, cleaning, and corrosion prevention are essential maintenance practices for steel pipes. By implementing these practices, the lifespan of the pipes can be prolonged, and potential issues can be identified and addressed before they cause significant damage or disruptions.

Q: Are steel pipes resistant to fire?: Yes, steel pipes are generally highly resistant to fire due to their inherent fire-resistant properties.

Q: How are steel pipes protected against internal scaling?: Internal coating or lining is a process employed to safeguard steel pipes from internal scaling. This entails applying a protective layer on the inside of the pipe to prevent the formation of scales or deposits. Multiple techniques are utilized for this purpose. One prevalent approach is the application of epoxy coatings. Epoxy, a resilient and corrosion-resistant material, forms a continuous barrier on the pipe's interior. It effectively hinders the accumulation of minerals and other substances that contribute to scaling. Epoxy coatings are commonly sprayed or brushed onto the inner surface of the pipe and then hardened to create a durable and smooth finish. Cement mortar lining is another method used to protect steel pipes from internal scaling. This involves applying a layer of cement mortar to the pipe's interior. The cement mortar acts as a barrier against scaling and offers additional corrosion protection. This lining process is typically employed for large-diameter pipes utilized in water distribution systems. Polyethylene (PE) lining is yet another technique deployed to safeguard steel pipes against internal scaling. PE lining necessitates the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and enhances fluid flow by reducing friction. PE lining is frequently used in applications that require a smooth interior surface, such as oil and gas pipelines. Apart from these methods, regular maintenance and cleaning of the pipes can also aid in preventing internal scaling. This may involve using chemical cleaning agents or mechanical cleaning techniques to eliminate any deposits that have formed on the pipe's interior surface. Overall, safeguarding steel pipes against internal scaling is vital to maintain their efficiency and prolong their lifespan. By employing various coating and lining methods, along with implementing appropriate maintenance practices, the risk of internal scaling can be significantly diminished.

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