Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P5 CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P5 CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P5 CNBM System 2

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P5 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: How do steel pipes compare to ductile iron pipes?: Steel pipes and ductile iron pipes are utilized in various applications, but they possess distinct differences in terms of their properties and advantages. 1. Strength and Durability: Steel pipes exhibit greater strength and durability compared to ductile iron pipes. Steel possesses a higher tensile strength, making it less susceptible to cracking or breaking under pressure or external forces. Conversely, ductile iron possesses a lower tensile strength but boasts better impact resistance than steel. 2. Corrosion Resistance: Steel pipes are susceptible to corrosion, especially when exposed to moisture or chemicals. Nevertheless, protective measures such as applying coatings or employing corrosion-resistant alloys can safeguard against this. Ductile iron pipes, while inherently more corrosion-resistant than regular cast iron, may still necessitate external protection to prevent rusting and degradation. 3. Flexibility: Ductile iron pipes offer greater flexibility than steel pipes. They can endure certain degrees of bending and deflection without fracturing, making them suitable for applications where ground movement or shifting may occur. Conversely, steel pipes are less flexible and more rigid, rendering them better suited for straight runs or applications with minimal movement. 4. Cost: Generally, ductile iron pipes are more cost-effective than steel pipes. The manufacturing process for ductile iron is easier and cheaper, resulting in lower production costs. However, steel pipes may possess a longer lifespan, requiring fewer replacements over time, thereby offsetting the initial cost difference. 5. Installation: Steel pipes are lighter and easier to handle during installation compared to ductile iron pipes, which can be heavy and bulky. The lighter weight of steel pipes can reduce labor and transportation costs. Moreover, steel pipes can be welded, allowing for more flexible installation options, while ductile iron pipes are typically joined using mechanical couplings or flanged connections. In conclusion, steel pipes offer superior strength and durability, while ductile iron pipes provide better flexibility and cost-effectiveness. The selection between the two depends on the specific requirements of the application, including factors such as corrosion resistance, expected loads, installation conditions, and budget constraints.

Q: How do you prevent freezing in steel pipes during cold weather?: To prevent freezing in steel pipes during cold weather, there are several measures that can be taken: 1. Insulate the pipes: Insulation is an effective way to protect steel pipes from freezing. Use insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to cold temperatures. Insulation helps retain heat and prevents the pipes from reaching freezing temperatures. 2. Seal any air leaks: Check for any gaps or openings around the pipes where cold air can enter. Use caulking or weatherstripping to seal these gaps and prevent cold air from reaching the pipes. 3. Maintain a consistent temperature: Ensure that the area where the pipes are located is adequately heated and insulated. Keeping the temperature above freezing will help prevent the pipes from freezing. If the pipes are exposed to extremely low temperatures, consider using heat tape or pipe heating cables to provide additional warmth. 4. Allow water to flow: Running a small, continuous trickle of water through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort, as it can waste water. 5. Drain the pipes: If the steel pipes are in an area that is not regularly used or if freezing weather is expected, it may be advisable to drain the pipes completely. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and cause the pipes to burst. It is important to note that prevention is key, as frozen steel pipes can lead to costly damages and water leaks. By implementing these measures, you can protect your steel pipes and ensure they remain functional during cold weather.

Q: What is the process of spiral steel tube production?: 1. open panel inspection: after the steel plate is opened, the product line is entered, and the ultrasonic examination of the whole plate is carried out first.2., flat milling: through the anvil machine to make the original coiled steel flat, and then through the milling machine on the edge of the steel plate two sides milling, so as to achieve the required plate width, plate edge parallelism and groove shape.

Q: What are the different methods of pipe coating for steel pipes?: There are several different methods of pipe coating for steel pipes, each with its own advantages and applications. One common method is fusion bonded epoxy (FBE) coating. This involves heating the steel pipe and applying a thermosetting powder that melts and adheres to the surface, creating a strong and durable coating. FBE coating provides excellent corrosion protection and is commonly used in the oil and gas industry. Another method is liquid epoxy coating. This involves applying a liquid epoxy resin to the surface of the steel pipe, which then cures and forms a protective barrier. Liquid epoxy coating is often used for smaller diameter pipes and provides good chemical resistance. Polyethylene (PE) coating is another popular method, particularly for pipelines that will be buried underground. PE coating involves wrapping the steel pipe with a layer of polyethylene, which provides excellent resistance to water, chemicals, and abrasion. Polyurethane (PU) coating is another option, offering a high level of chemical resistance and flexibility. It is typically used for offshore applications and in environments with extreme temperatures. Other methods of pipe coating include coal tar enamel (CTE) coating, which provides excellent resistance to water and chemicals, and concrete weight coating, which adds weight to the pipe to ensure stability in underwater or subsea applications. In summary, the different methods of pipe coating for steel pipes include fusion bonded epoxy (FBE), liquid epoxy, polyethylene (PE), polyurethane (PU), coal tar enamel (CTE), and concrete weight coating. The choice of coating method depends on the specific requirements of the application, such as corrosion protection, chemical resistance, or stability.

Q: How do steel pipes perform in extreme temperature variations?: Steel pipes perform well in extreme temperature variations due to their high thermal conductivity and resistance to expansion and contraction. They are able to withstand both high and low temperatures without losing their structural integrity or experiencing significant changes in dimensions. This makes steel pipes suitable for a wide range of applications, including those in industries with extreme temperature conditions, such as oil and gas, chemical processing, and power generation.

Q: What are the different methods of pipe insulation for steel pipes?: There are several methods of pipe insulation for steel pipes, each with its own advantages and suitability for specific applications. Some of the commonly used methods include: 1. Fiberglass insulation: This is one of the most popular methods of pipe insulation. Fiberglass insulation is made of fine glass fibers and is available in various forms such as rolls, sheets, or pre-formed sections. It is lightweight, easy to install, and provides excellent thermal insulation properties. 2. Foam insulation: Foam insulation is another effective method for insulating steel pipes. It is available in different forms, including rigid foam boards or spray foam. Foam insulation is known for its high insulating value and its ability to seal gaps and cracks, providing enhanced energy efficiency. 3. Rubber insulation: Rubber insulation, commonly known as elastomeric insulation, is widely used for insulating steel pipes in HVAC systems. It is flexible, durable, and resistant to moisture, making it suitable for both indoor and outdoor applications. Rubber insulation also offers good thermal and acoustic insulation properties. 4. Polyethylene insulation: Polyethylene insulation is a cost-effective option for insulating steel pipes. It is available in different forms, such as foam tubes or molded sections, and is easy to install. Polyethylene insulation provides good thermal insulation, protects against condensation, and is resistant to water vapor diffusion. 5. Cellular glass insulation: Cellular glass insulation is a rigid insulation material made from crushed glass and a foaming agent. It is known for its exceptional thermal insulation properties, as well as its resistance to moisture, fire, and chemicals. Cellular glass insulation is commonly used in cryogenic and high-temperature applications. It is important to consider factors such as temperature, moisture conditions, and the specific requirements of the project when selecting the appropriate method of pipe insulation for steel pipes. Consulting with a professional or an insulation expert can help determine the best insulation method based on the specific needs and conditions of the project.

Q: What is the cost of steel pipes compared to other materials?: The cost of steel pipes can vary depending on various factors such as size, grade, and market conditions. However, generally speaking, steel pipes tend to be more cost-effective compared to other materials like copper or PVC. Steel is a durable and versatile material that offers exceptional strength and longevity, making it a popular choice for various applications.

Q: What are the different methods of threading steel pipes?: There are several methods of threading steel pipes, including manual threading, machine threading, and dielectric threading. Manual threading involves using a manual pipe threader or a handheld die to create the threads on the pipe. Machine threading, on the other hand, utilizes power-driven machines that can thread multiple pipes simultaneously, increasing efficiency and accuracy. Dielectric threading is a specialized method that uses a high-frequency electrical current to generate threads on the pipe, which is commonly used for stainless steel pipes.

Q: Can steel pipes be used for paper mills?: Yes, steel pipes can be used for paper mills. Steel pipes are commonly used in paper mills for various purposes such as transporting fluids, chemicals, and steam within the facility. They are known for their durability, strength, and resistance to corrosion, making them suitable for the harsh conditions and high-pressure requirements of paper mill operations.

Q: What are the factors affecting the price of steel pipes?: The price of steel pipes can be influenced by various factors. These factors encompass: 1. Raw material expenses: The cost of raw materials like iron ore and coal significantly influences the price of steel pipes. Fluctuations in commodity prices can impact the overall production cost and subsequently affect the selling price. 2. Supply and demand dynamics: The price of steel pipes is determined by the interplay of supply and demand. When there is high demand and limited supply, prices tend to rise. Conversely, an oversupply and low demand can lead to price decreases. 3. Production and manufacturing costs: The direct impact of production and manufacturing expenses on steel pipe prices cannot be overlooked. Costs related to labor, energy, transportation, and equipment maintenance all contribute to the overall production cost and, consequently, the selling price. 4. Market competition: The level of competition within the steel pipe industry also influences prices. Increased competition among manufacturers and suppliers can result in more competitive pricing. Conversely, fewer competitors may lead to higher prices due to limited options. 5. Government policies and regulations: Government policies and regulations exert a significant influence on steel pipe prices. Import tariffs, trade restrictions, and environmental regulations can all affect production costs and subsequently impact prices. 6. Currency exchange rates: Currency exchange rates can also sway steel pipe prices. Fluctuations in exchange rates between countries can impact the cost of importing or exporting steel pipes, which in turn affects their selling price. 7. Global economic conditions: The overall state of the global economy can have repercussions on steel pipe prices. During periods of economic growth, demand for steel pipes may increase, leading to higher prices. Conversely, economic downturns can result in decreased demand and subsequently lower prices. It is vital to acknowledge that these factors can interact and fluctuate over time, making the pricing of steel pipes a complex and ever-changing process.

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