Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 16Mn CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 16Mn CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 16Mn CNBM System 2

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes 16Mn 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 different sizes of steel pipe nipples?: The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.

Q: How are steel pipes classified according to their wall thickness?: Steel pipes are classified according to their wall thickness into various categories such as standard, extra strong, and double extra strong.

Q: How do steel pipes handle thermal expansion and contraction?: The unique properties and design of steel pipes enable them to handle thermal expansion and contraction. When exposed to high temperatures, steel pipes expand as the molecules in the material gain energy and become more active. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and become less active. To accommodate these changes, steel pipes are manufactured with specific features. One such feature is the inclusion of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, expansion joints or flexible connectors are used within the piping system to absorb thermal movements and prevent damage. Moreover, steel pipes are commonly installed with appropriate anchoring and support systems. These systems are designed to allow the pipes to expand and contract within a certain range without exerting excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help maintain the overall stability and integrity of the piping system. In certain cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and mitigate the effects of expansion and contraction. These insulating materials assist in maintaining a consistent temperature within the pipe, thereby reducing the magnitude of thermal movements. Overall, due to their inherent strength and flexibility, steel pipes are well-equipped to handle thermal expansion and contraction. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.

Q: How do you calculate the flow rate in a steel pipe?: To calculate the flow rate in a steel pipe, you need to consider the pipe's diameter, length, and the pressure difference across it. By applying the Bernoulli's equation or using the Darcy-Weisbach equation, you can determine the flow rate based on these variables.

Q: How are steel pipes insulated to prevent freezing?: Steel pipes are insulated to prevent freezing by wrapping them with insulation materials such as foam or fiberglass, which helps to maintain the temperature of the pipe and prevents the transfer of cold air. Additionally, pipes can be buried underground below the frost line to protect them from freezing temperatures.

Q: What are the different methods of pipe welding for steel pipes?: There are several different methods of pipe welding for steel pipes, each with its own unique advantages and applications. Here are some of the most common methods: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, SMAW is a manual welding process that uses a consumable electrode coated in flux. The electrode is melted to create the weld, and the flux creates a protective shield around the weld pool. SMAW is versatile and can be used in various positions, making it suitable for both field and workshop applications. 2. Gas Metal Arc Welding (GMAW): Commonly known as MIG (Metal Inert Gas) welding, GMAW uses a continuous wire electrode that is fed through a welding gun. The welding gun also supplies a shielding gas, such as argon or a mixture of argon and carbon dioxide, to protect the weld pool from atmospheric contamination. GMAW is known for its high welding speed and is often used in industrial applications. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW uses a continuous wire electrode, but the wire is filled with flux instead of relying on an external shielding gas. The flux in the wire produces a protective shield around the weld pool, eliminating the need for a separate gas supply. FCAW is commonly used in outdoor and windy conditions as it provides better protection against atmospheric contamination. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG (Tungsten Inert Gas) welding, GTAW uses a non-consumable tungsten electrode to create the weld. The weld pool is protected by a shielding gas, typically argon, which is supplied separately. GTAW produces high-quality welds with excellent control, making it suitable for critical applications where precision is crucial. 5. Submerged Arc Welding (SAW): SAW is an automated welding process that uses a continuously fed wire electrode and a granular flux that is poured over the weld joint. The arc is submerged beneath the flux, providing excellent protection against contamination. SAW is commonly used in heavy fabrication and pipeline industries due to its high deposition rates and deep penetration capabilities. These are just a few of the different methods of pipe welding for steel pipes. The choice of method depends on factors such as the application, material thickness, desired weld quality, and available equipment. It is important to select the appropriate welding method to ensure strong, durable, and reliable welds in steel pipe applications.

Q: What are the future trends in steel pipe manufacturing?: Some future trends in steel pipe manufacturing include the adoption of advanced technologies such as automation and robotics, the development of high-performance and sustainable materials, the implementation of efficient and eco-friendly production processes, and the integration of digitalization and data analytics for improved quality control and supply chain management. Additionally, there is a growing focus on the development of specialized pipes for specific industries such as oil and gas, construction, and automotive, as well as an increased emphasis on product customization and tailored solutions to meet the evolving needs of customers.

Q: How are steel pipes used in the construction of railway tracks?: Steel pipes are commonly used in the construction of railway tracks as they provide a durable and reliable foundation. These pipes are used as support structures for the rails, helping to distribute the weight of the trains and ensure stability. They are also used for drainage purposes, allowing water to flow away from the tracks and preventing damage. Overall, steel pipes play a crucial role in the construction of railway tracks by providing strength, stability, and drainage capabilities.

Q: What is the difference between steel pipe and concrete pipe?: The main difference between steel pipe and concrete pipe lies in their material composition. Steel pipes are made from steel, which provides strength, durability, and resistance to corrosion. On the other hand, concrete pipes are made from a mixture of cement, aggregates, and reinforcing materials, offering advantages such as fire resistance and the ability to withstand high pressure. While steel pipes are commonly used for transporting fluids and gases, concrete pipes are often used in drainage and sewage systems.

Q: How are steel pipes used in the construction of water treatment plants?: Steel pipes are commonly used in the construction of water treatment plants for various purposes such as transporting water, carrying chemicals, and handling wastewater. They are often used as the main conduits for distributing treated water throughout the plant, as well as for supplying raw water from the source to the treatment facility. Steel pipes also play a crucial role in the transportation of chemicals used in the treatment processes, ensuring their safe and efficient delivery. Additionally, steel pipes are utilized for the disposal of wastewater and sludge, allowing for proper drainage and disposal systems within the plant. Overall, steel pipes are essential components in the construction and operation of water treatment plants, providing the necessary infrastructure for the efficient and effective treatment of water.

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