Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 20#, CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 20#, CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 20#, 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 are steel pipes protected against electrolytic corrosion?: Various methods can be employed to safeguard steel pipes against electrolytic corrosion. One commonly utilized approach involves the application of protective coatings on the pipe's surface. These coatings serve as a barrier, effectively preventing direct contact between the steel and the surrounding environment, which may contain moisture and other corrosive substances. Epoxy, polyethylene, and zinc are frequently employed coatings for this purpose. Another means of protection involves the utilization of sacrificial anodes. These anodes, typically fabricated from a metal that exhibits greater reactivity than steel, such as zinc or aluminum, are affixed to the steel pipes. Over time, as these anodes corrode, they willingly sacrifice themselves in order to shield the steel. This process, known as cathodic protection, is exceptionally successful in deterring electrolytic corrosion. Aside from coatings and sacrificial anodes, proper insulation and electrical isolation play a pivotal role in preventing electrolytic corrosion of steel pipes. Insulating materials, such as rubber or plastic sleeves, are employed to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which effectively obstruct the flow of electric current between different sections of the pipeline. Furthermore, regular maintenance and inspection are essential components of protecting steel pipes against electrolytic corrosion. Regular checks to assess coating integrity, anode condition, and potential electrical leakage are crucial in maintaining the ongoing efficacy of the corrosion protection system. In conclusion, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is indispensable in safeguarding steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be substantially prolonged, thereby ensuring the safety and reliability of various applications, including water distribution, oil and gas transportation, and structural support in buildings and infrastructure.

Q: What are the common uses of stainless steel pipes?: Stainless steel pipes are commonly used in various industries and applications such as plumbing, construction, oil and gas, food processing, pharmaceuticals, and automotive. They are valued for their durability, corrosion resistance, and ability to withstand high temperatures. Stainless steel pipes are utilized for transporting fluids, gases, and chemicals, as well as for structural purposes in buildings and infrastructure.

Q: How are steel pipes used in the manufacturing of HVAC systems?: Steel pipes are commonly used in the manufacturing of HVAC systems for various purposes. They are used to transport fluids, such as water or refrigerants, throughout the system. Steel pipes are also used for exhaust systems and ventilation, providing a durable and corrosion-resistant solution. Additionally, steel pipes are used in the construction of HVAC equipment, such as heat exchangers and boilers, due to their strength and ability to withstand high temperatures and pressures. Overall, steel pipes play a crucial role in the efficient and reliable functioning of HVAC systems.

Q: What is the pressure rating of steel pipes?: The pressure rating of steel pipes varies depending on the specific grade and size of the pipe. However, steel pipes are known for their high strength and durability, allowing them to withstand high-pressure applications.

Q: How are steel pipes cleaned and maintained?: Steel pipes are cleaned and maintained through a combination of mechanical and chemical methods. Mechanical cleaning involves removing any loose debris or scale using tools like wire brushes or high-pressure water jets. Chemical cleaning may be used to dissolve any stubborn deposits or corrosion using suitable solvents or acids. Regular inspection and maintenance are essential to identify and address any potential issues such as leaks, rust, or structural damage. Coatings, such as paint or anti-corrosion materials, are often applied to protect steel pipes from environmental factors and extend their lifespan.

Q: What are the different methods of pipe insulation for steel pipes?: Various methods can be employed to insulate steel pipes, each offering distinct advantages and suitability for specific applications. Some commonly utilized techniques encompass: 1. Fiberglass insulation: Esteemed as a highly favored pipe insulation method, fiberglass insulation comprises fine glass fibers and is obtainable in diverse formats like rolls, sheets, or pre-formed sections. It boasts a lightweight nature, effortless installation, and exceptional thermal insulation attributes. 2. Foam insulation: Another efficacious means of insulating steel pipes is foam insulation, which can be procured in various forms including rigid foam boards or spray foam. It is renowned for its high insulating capacity and its ability to seal gaps and cracks, thereby enhancing energy efficiency. 3. Rubber insulation: Rubber insulation, also referred to as elastomeric insulation, is extensively employed in HVAC systems to insulate steel pipes. It possesses flexibility, durability, and resistance to moisture, making it suitable for both indoor and outdoor applications. Additionally, rubber insulation offers commendable thermal and acoustic insulation properties. 4. Polyethylene insulation: Polyethylene insulation presents a cost-effective alternative for insulating steel pipes. It can be found in diverse formats such as foam tubes or molded sections and is effortless to install. Polyethylene insulation provides commendable thermal insulation, safeguards against condensation, and exhibits resistance to water vapor diffusion. 5. Cellular glass insulation: Cellular glass insulation, a rigid insulation material produced from crushed glass and a foaming agent, is acknowledged for its exceptional thermal insulation attributes as well as its resistance to moisture, fire, and chemicals. It is commonly employed in cryogenic and high-temperature applications. When selecting the appropriate pipe insulation method for steel pipes, it is imperative to consider factors such as temperature, moisture conditions, and project-specific requirements. Seeking guidance from a professional or insulation expert can aid in determining the optimal insulation method based on the specific needs and conditions of the project.

Q: How are steel pipes used in data centers?: Steel pipes are used in data centers for the installation of cooling systems, electrical wiring, and network cabling, providing a robust and reliable infrastructure to support the data center's operations.

Q: How are steel pipes used in the electronics industry?: Steel pipes are commonly used in the electronics industry for various purposes such as cable management, structural support, and conduit systems. They provide a strong and durable solution for organizing and protecting electrical wires and cables. Additionally, steel pipes are utilized in the construction of electronic equipment enclosures and racks, ensuring stability and efficient cooling.

Q: Can steel pipes be used for high-pressure applications?: Yes, steel pipes can be used for high-pressure applications. Steel pipes are known for their strength and durability, making them suitable for handling high-pressure fluids, gases, or steam in various industries such as oil and gas, construction, and manufacturing. They are designed to withstand the high internal pressure and are commonly used in pipelines, steam systems, and hydraulic systems where the pressure requirements are significant.

Q: What are the different grades of steel used in manufacturing pipes?: There are several grades of steel used in manufacturing pipes, including carbon steel, alloy steel, stainless steel, and duplex steel. Each grade has distinct properties and characteristics that make it suitable for different applications and environments.

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