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: Can steel pipes be used for wastewater systems?: Certainly, wastewater systems can indeed utilize steel pipes. Due to their impressive durability, strength, and resistance to corrosion, steel pipes have gained widespread popularity in wastewater systems. They possess the capacity to endure high pressure and effectively convey wastewater over extensive distances. Furthermore, steel pipes offer the advantage of ease in welding, allowing for the creation of a seamless pipeline system that minimizes the risk of leakage. Additionally, steel pipes demonstrate environmental friendliness as they can be recycled, rendering them a sustainable choice for wastewater systems. Nevertheless, it remains crucial to take into account the specific requirements of the wastewater system and seek guidance from experts to determine the most suitable material for the project.

Q: How are steel pipes used in building foundations?: Steel pipes are often used in building foundations to provide structural support and stability. They can be driven into the ground to act as piles, which help transfer the weight of the building to the underlying soil or bedrock. Steel pipes can also be used for deep foundation systems such as drilled shafts or caissons, which are used in areas with weak or unstable soil conditions. Additionally, steel pipes can be utilized for underground drainage and utility systems within the foundation structure.

Q: How do you calculate the bending moment of a steel pipe?: To determine the bending moment of a steel pipe, one must take into account both the applied load and the structural characteristics of the pipe. The bending moment quantifies the internal forces within the pipe caused by the applied load. To calculate the bending moment, one can use the following equation: Bending Moment = Load x Distance In this equation, the load represents the external force acting on the pipe, and the distance refers to the separation between the point of load application and the point where the bending moment is being evaluated. For an accurate bending moment calculation, it is necessary to consider the properties of the steel pipe. These properties encompass the pipe's cross-sectional area, second moment of area (also known as the moment of inertia), and the modulus of elasticity. The second moment of area demonstrates the pipe's resistance to bending and can be computed based on the dimensions of the pipe's cross-section. The modulus of elasticity signifies the pipe's stiffness and can be obtained from material properties data. Once the load, distance, cross-sectional area, moment of inertia, and modulus of elasticity are determined, they can be inputted into the bending moment equation to ascertain the bending moment for the steel pipe. It is important to recognize that the calculation of bending moment assumes linear elastic behavior, which implies that the pipe does not surpass its elastic limit nor undergo plastic deformation. If the pipe is exposed to loads surpassing its capacity, the bending moment calculation may not accurately depict the actual behavior of the pipe. In such instances, it is recommended to consult a structural engineer or employ more sophisticated analysis methods to precisely evaluate the bending moment.

Q: How do steel pipes handle water erosion?: Steel pipes are highly resistant to water erosion due to their inherent strength and durability. The smooth surface of steel pipes minimizes friction and turbulence, reducing the likelihood of erosion. Additionally, steel pipes can be coated with protective layers, such as galvanization or epoxy, that further enhance their resistance to water erosion.

Q: Can steel pipes be used for water distribution networks?: Yes, steel pipes can be used for water distribution networks. Steel is a durable and strong material that can withstand high water pressure and provide a long-lasting solution for transporting water in distribution networks. However, it is important to properly coat the steel pipes with suitable materials to prevent corrosion and ensure the safety and quality of the water being distributed.

Q: How are steel pipes used in underground drainage systems?: Steel pipes are commonly used in underground drainage systems due to their durability and strength. They are used to transport wastewater, stormwater, and other liquids away from buildings and infrastructure to a designated discharge point. The steel pipes provide a reliable and long-lasting solution, ensuring the efficient flow of water and preventing any potential leaks or damage to the surrounding environment.

Q: What is the lifespan of steel pipes?: The lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environment in which they are installed, and the maintenance and care given to them. However, generally speaking, steel pipes can have a lifespan ranging from 20 to 100 years or even longer if properly maintained and protected against corrosion.

Q: How are steel pipes protected against fire?: Steel pipes are typically protected against fire through the application of fire-resistant coatings or by encasing them in fire-rated materials, such as concrete or gypsum board. Additionally, fire sprinkler systems or fire-resistant insulation may be installed around the pipes to provide an added layer of protection.

Q: What is the difference between seamless steel pipes and seamless alloy steel pipes?: The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless alloy steel pipes are made from various alloying elements such as chromium, nickel, or molybdenum. These alloying elements enhance the properties of the steel, making it more resistant to corrosion, higher in strength, and suitable for specific applications in industries like oil and gas, chemical, or power generation.

Q: How are steel pipes connected in pipeline construction?: Steel pipes are connected in pipeline construction through various methods, including welding, threading, and flanges. Welding involves joining the pipes by melting the edges and fusing them together, creating a strong and continuous connection. Threading involves screwing the pipes together using threaded ends, ensuring a secure connection. Flanges are used to connect pipes with the help of bolts, providing a detachable yet sturdy connection. These methods ensure the integrity and safety of the pipeline system.

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