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:What are the common sizes of steel pipes?: Common sizes of steel pipes can vary depending on the application, but some common sizes include 1/2 inch, 3/4 inch, 1 inch, 1.5 inches, 2 inches, 3 inches, 4 inches, 6 inches, 8 inches, 10 inches, and 12 inches in diameter.

Q:What is the maximum allowable pressure for steel pipes?: Various factors, such as the type of steel used, the pipe's diameter and thickness, and specific industry requirements, determine the maximum pressure allowed for steel pipes. The American Society of Mechanical Engineers (ASME) offers guidelines and standards for pressure vessel and piping design, which include determining the maximum allowable pressure. For power piping and process piping, ASME B31.1 and B31.3 are commonly used codes, respectively. These codes establish design criteria for different materials, including steel, and provide formulas and charts to calculate the maximum allowable pressure for different pipe sizes and wall thicknesses. The maximum allowable pressure is typically determined based on the pipe's ability to withstand internal pressure without experiencing permanent deformation or failure. It is important to consider other factors, such as temperature, corrosion, and the presence of external loads or stresses, as they may also impact the maximum allowable pressure for steel pipes. Therefore, it is essential to refer to the relevant codes, standards, and engineering calculations specific to the application to ensure the safe and reliable operation of steel pipes under the given conditions.

Q:What are the different types of steel pipe fittings for gas pipelines?: There are several types of steel pipe fittings commonly used for gas pipelines, including elbows, tees, reducers, couplings, and flanges. These fittings are essential for connecting and directing the flow of gas within the pipeline system.

Q:How are steel pipes used in the manufacturing of food processing machinery and equipment?: Steel pipes are an essential component in the manufacturing of food processing machinery and equipment due to their numerous advantageous properties. These pipes are widely used in the food industry for their durability, corrosion resistance, and ability to withstand high temperatures and pressures. One of the primary applications of steel pipes in food processing machinery is for the transportation of various fluids and gases. These pipes are used to carry water, steam, and other liquids, as well as air and gases, throughout the processing plant. Steel pipes provide a reliable and hygienic means of transferring these substances, ensuring that the quality and safety of the food products are maintained. Moreover, steel pipes are also utilized in the design and construction of food processing equipment such as mixers, blenders, conveyors, and canning machines. These machines often require the use of pipes to facilitate the movement of ingredients, processing fluids, and cleaning agents. Steel pipes are an ideal choice for these applications due to their high strength, which allows them to handle the heavy loads and pressures associated with food processing operations. Another crucial aspect of steel pipes in food processing machinery is their resistance to corrosion. Food processing involves the use of various acidic and alkaline substances, as well as hot water and steam, which can cause corrosion in other materials. Steel pipes, particularly those made from stainless steel, are highly resistant to corrosion, ensuring that the machinery remains in optimal condition and prolonging its lifespan. Furthermore, the smooth internal surface of steel pipes allows for efficient and hygienic cleaning, as it minimizes the accumulation of food particles and contaminants. This is of utmost importance in the food industry, where maintaining high levels of cleanliness is essential to prevent the growth of bacteria and ensure food safety. In summary, steel pipes play a crucial role in the manufacturing of food processing machinery and equipment. Their durability, corrosion resistance, ability to handle high temperatures and pressures, and hygienic characteristics make them an ideal choice for the transportation of fluids and gases, as well as for the construction of various food processing equipment.

Q:Can steel pipes be used for conveying liquids and gases?: Yes, steel pipes can be used for conveying both liquids and gases. Steel pipes are commonly used in various industries, including oil and gas, water supply, plumbing, and industrial processes, due to their strength, durability, and resistance to corrosion. They are capable of withstanding high pressure and temperature, making them suitable for transporting a wide range of liquids and gases such as water, oil, natural gas, steam, and chemicals. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance.

Q:How do you calculate the flow rate of water in steel pipes?: To calculate the flow rate of water in steel pipes, you can use the equation Q = A × V, where Q represents the flow rate in cubic meters per second, A denotes the cross-sectional area of the pipe in square meters, and V represents the average velocity of the water in meters per second.

Q:Can steel pipes be bent or shaped?: Yes, steel pipes can be bent or shaped through various methods such as hot bending, cold bending, or using specialized machinery like pipe benders.

Q:What is the difference between API 5L and ASTM A106 steel pipes?: API 5L and ASTM A106 are two commonly used specifications for seamless carbon steel pipe. While both specifications cover similar materials, they have different requirements for chemical composition, manufacturing processes, mechanical properties, and testing. API 5L is a specification created by the American Petroleum Institute (API) for line pipe used in oil and gas transportation. It covers seamless and welded steel pipe suitable for use in conveying gas, water, and oil in the natural gas and petroleum industries. API 5L specifies the minimum requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes, with different chemical composition and mechanical properties. On the other hand, ASTM A106 is a specification developed by the American Society for Testing and Materials (ASTM) for seamless carbon steel pipe for high-temperature service. It covers seamless carbon steel pipe for high-temperature service in NPS 1/8" to NPS 48" inclusive, with nominal (average) wall thickness as given in ANSI B36.10. ASTM A106 provides requirements for chemical composition, manufacturing processes, mechanical properties, and testing. One key difference between API 5L and ASTM A106 is the intended use of the pipe. API 5L is specifically designed for transmission of liquid and gas, while ASTM A106 is used for high-temperature service. The chemical composition and mechanical properties of the steel may also vary between the two specifications, depending on the grade and type of steel being used. In summary, while both API 5L and ASTM A106 are widely used specifications for carbon steel pipe, they have distinct differences in terms of their intended use, chemical composition, manufacturing processes, mechanical properties, and testing requirements. It is important to carefully consider these factors when selecting the appropriate steel pipe for a specific application.

Q:Can steel pipes be used for oil transportation?: Yes, steel pipes are commonly used for oil transportation due to their high strength, durability, and resistance to corrosion.

Q:How are steel pipes used in the manufacturing of ships?: Steel pipes are used in the manufacturing of ships for various purposes, such as carrying fluids and gases, providing structural support, and facilitating efficient operation of the ship's systems. They are used for plumbing, ventilation, and firefighting systems, as well as for the construction of hulls and other vital components. Overall, steel pipes play a crucial role in ensuring the functionality and safety of ships during their construction and operation.

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