Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG 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:	2.0 - 85 mm	Section Shape:	Round	Outer Diameter:	17 - 914.4 mm
		Secondary Or Not:	Non-secondary	Application:	Oil Pipe
Technique:	Hot Rolled	Certification:	API	Surface Treatment:	VARNISH PAITING
Special Pipe:	API Pipe	Alloy Or Not:	Non-alloy	END:	PLAIN,BEVELED OR THREADED
Grade:	10#,20#,16Mn,A106(B,C),A210,A335 P5,A335 P91,A53(A,B),API J55,API K55,Q195,Q235,Q345,St37,St52,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52	Standard:	API 5CT,API 5L,ASME B36.19M-2004,ASTM A106-2006,ASTM A179-1990,ASTM A182-2001,ASTM A53-2007,BS 1387,DIN 1629/3,DIN EN 10216-1-2004,GB 5310-1995,GB/T 3091-2001,GB/T 8162-1999,GB/T 8163-1999,JIS G3454-2007,API,ASTM,BS,DIN,GB,JIS

Packaging & Delivery

Packaging Detail:

standard packing suitable shipping by sea.fixed length as customers' requirements, or SRL or DRL. Varnish, painting or galvanized, or FBE ,2PE,3PE 3pp coating,bevelled/plain/threaded ends with caps, packing in bundle (OD smaller than 141.3mm) big sizes packing in loose, marking as required. Shipped by sea,by air,by train . or some samples shipped by DHL,EMS,TNT,FEDEX ect. Length shorter than 5.85m should be shipped by 20' container, 5.85-12m shipped by 40' container.

Delivery Detail:

7-35 days after advance payment

Product Description

Seamless steel pipes, a large number of used pipes conveying fluids, such as transport oil, natural gas, gas, water pipes and some solid materials, and so on. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle rack and construction using steel scaffolding ring with steel pipe manufacturing parts, can improve material utilization, simplify the manufacturing process, saving material and machining time, such as bearing rings, jack sets, has been widely used to manufacture steel. Steel or a variety of conventional weapons indispensable material, gun barrels to make steel. Steel shapes in different cross-sectional area can be divided into tube and shaped tubes. As in the perimeter of equal conditions, the largest area of a circle with a circular tube can carry more fluid. In addition, the circular cross section to withstand internal or external radial pressure, the force is uniform, so the vast majority of the pipe is pipe.

Q: What are the environmental benefits of using steel pipes?: Steel pipes have several environmental benefits. Firstly, steel is a highly durable material, which means that steel pipes have a longer lifespan compared to other types of pipes. This reduces the need for frequent replacements, ultimately reducing waste generation. Additionally, steel is 100% recyclable, making it a sustainable choice. Using steel pipes promotes a circular economy by reducing the demand for virgin materials and minimizing carbon emissions associated with extraction and manufacturing processes. Furthermore, steel pipes are resistant to corrosion, reducing the risk of leaks and minimizing environmental contamination. Overall, the environmental benefits of using steel pipes include reduced waste, lower carbon emissions, and improved resource efficiency.

Q: Can steel pipes be used for oil and gas well production?: Yes, steel pipes can be used for oil and gas well production. Steel pipes are commonly used in the oil and gas industry due to their strength, durability, and resistance to corrosion. They are able to withstand high pressure and extreme temperatures, making them suitable for transporting and extracting oil and gas from wells.

Q: How do steel pipes compare to other materials like PVC or copper pipes?: Steel pipes have numerous advantages over materials such as PVC or copper pipes. Firstly, their strength and durability make them ideal for high-pressure applications. They can withstand extreme temperatures and resist corrosion, making them suitable for both indoor and outdoor use. In contrast, PVC pipes are weaker and more prone to cracking and breaking under pressure or in extreme temperatures. Although copper pipes are durable, they can be susceptible to corrosion and may require additional protective coatings. Secondly, steel pipes have a longer lifespan compared to PVC or copper pipes. They are renowned for their longevity and can last for several decades without needing replacement. PVC pipes, although relatively inexpensive, have a shorter lifespan and may require more frequent replacement. Similarly, copper pipes can corrode over time and may need maintenance or replacement. Another advantage of steel pipes is their ability to handle a wide range of fluids and substances. They are commonly used in industrial applications where chemicals or corrosive materials may be present. PVC pipes, on the other hand, may not be suitable for handling certain chemicals or substances as they can react and cause damage to the pipe. Copper pipes, while generally safe for carrying water, may not be ideal for conveying certain chemicals or fluids. Additionally, steel pipes possess excellent fire resistance properties. In the event of a fire, they can withstand high temperatures and maintain their structural integrity, ensuring the safety and protection of the surrounding area. PVC pipes, however, can melt or deform under high heat, potentially causing structural damage. Although copper pipes are less prone to melting, they can still be affected by extreme heat and lose their strength. Nevertheless, steel pipes do have a few drawbacks. They tend to be heavier and more challenging to install compared to PVC or copper pipes. Additionally, they can be more expensive upfront, especially when compared to PVC pipes. However, considering their durability and longevity, steel pipes may offer better value in the long run. In conclusion, steel pipes provide numerous advantages over materials like PVC or copper pipes. They are strong, durable, resistant to corrosion, and have a longer lifespan. They can handle high-pressure applications and a wide range of fluids, making them suitable for various industrial and commercial uses. Although they may be more expensive and difficult to install, the benefits of steel pipes make them a reliable and cost-effective choice for many applications.

Q: How do you select the right size of steel pipe for a project?: To select the right size of steel pipe for a project, it is important to consider factors such as the desired flow rate, pressure requirements, fluid type, and the overall structural design. Consulting relevant design codes and standards, performing calculations based on these parameters, and seeking expert advice can help ensure the appropriate size is chosen to meet the project's specific needs.

Q: What are the different methods of pipe bending for steel pipes?: There are several methods of pipe bending for steel pipes, each with its own advantages and limitations. 1. Manual Pipe Bending: This method involves using hand tools or a manual pipe bender to bend the steel pipe. It is suitable for small-scale projects or when only a few bends are required. However, it requires skill and precision to ensure accurate and consistent bends. 2. Rotary Draw Bending: This method utilizes a mandrel, clamp die, and a bending die to bend the pipe around a stationary bend die. The mandrel helps to maintain the shape and prevent wrinkling or collapsing of the pipe during the bending process. Rotary draw bending is commonly used for producing tight-radius bends with high accuracy and repeatability. 3. Induction Pipe Bending: In this method, an induction coil is used to heat a specific area of the steel pipe, making it more malleable for bending. Once the desired temperature is reached, the pipe is bent using hydraulic or mechanical force. Induction bending is suitable for large-diameter pipes or when multiple bends are required in a single pipe. 4. Roll Bending: Also known as pyramid rolling, this method involves passing the steel pipe through three adjustable rolls that gradually bend the pipe into the desired shape. Roll bending is suitable for producing large-radius bends and is commonly used in the construction of spiral staircases, handrails, and structural applications. 5. Hot Bending: This method involves heating the steel pipe to high temperatures, typically using a furnace, to facilitate bending. Hot bending allows for greater flexibility in shaping the pipe and is commonly used for large-diameter or thick-walled pipes. However, it requires specialized equipment and expertise to control the temperature and prevent distortion or damage to the pipe. It is important to consider factors such as the required bend radius, pipe diameter, wall thickness, and project specifications when selecting the appropriate method of pipe bending for steel pipes. Consulting with an experienced pipe bending professional or engineer can help determine the most suitable method for a specific application.

Q: Can steel pipes be used for desalination plants?: Yes, steel pipes can be used for desalination plants. Steel pipes are commonly used in desalination plants for transporting seawater, brine, and treated water due to their high strength, durability, and resistance to corrosion. They can withstand the harsh conditions and corrosive nature of saltwater, making them a suitable choice for the construction and operation of desalination plants.

Q: Can steel pipes be painted or coated?: Certainly, steel pipes have the capability to undergo painting or coating procedures. It is a prevalent method employed to safeguard them against corrosion, enhance their visual appeal, or comply with particular industry standards. The process consists of an initial step of diligently cleaning the pipes to eliminate any dirt, grease, or rust. Subsequently, a primer is applied, followed by the desired paint or coating. The selection of paint or coating is contingent upon the envisioned purpose of the pipes. For instance, epoxy coatings are frequently utilized for water or wastewater pipelines, while high-temperature resistant coatings are employed for pipes utilized in industrial environments. In conclusion, the act of painting or coating steel pipes has the potential to augment their resilience and overall performance.

Q: How do you protect steel pipes from external damage?: One way to protect steel pipes from external damage is by applying a protective coating or paint. This can help prevent corrosion and other forms of physical damage caused by exposure to moisture, chemicals, or rough surfaces. Additionally, using pipe supports and installing guards or barriers can help shield the pipes from potential impact or accidental damage. Regular inspections and maintenance are also crucial to identify and address any signs of damage or wear in a timely manner.

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 made?: Steel pipes are made through a process called seamless or welded pipe manufacturing. In seamless manufacturing, a solid steel billet is heated and pierced to form a hollow tube. It is then stretched and rolled to the desired diameter and wall thickness. Welded pipes are made by bending and welding a steel plate or strip to form a cylindrical shape. The welded seam is then heat-treated to ensure its strength and durability. Both processes involve subsequent finishing and inspection to meet the required specifications and quality standards.

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