Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A179-1990 CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A179-1990 CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A179-1990 CNBM System 2

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A179-1990 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 is the typical diameter range for steel pipes?: The typical diameter range for steel pipes can vary depending on the specific application and industry requirements. However, in general, steel pipes can have diameters ranging from as small as 0.5 inches (12.7 millimeters) up to several feet (over a meter) in diameter. The most commonly used steel pipes for various purposes, such as plumbing, construction, and transportation of fluids or gases, typically fall within the range of 1/2 inch (13 millimeters) to 36 inches (914 millimeters) in diameter. It is important to note that larger diameter steel pipes are often used for industrial applications, such as oil and gas pipelines, while smaller diameter pipes are commonly used for residential and commercial plumbing systems.

Q: What is the average lead time for manufacturing steel pipes?: The average lead time for manufacturing steel pipes can vary depending on various factors such as size, complexity, and quantity. However, a typical range for lead time is generally around 4 to 8 weeks.

Q: How do you calculate the flow rate in a steel pipe?: When calculating the flow rate in a steel pipe, several factors must be taken into consideration. The primary factor to consider is the cross-sectional area of the pipe, which can be determined using the formula A = πr², where A represents the cross-sectional area and r represents the radius of the pipe. Afterwards, it is necessary to ascertain the velocity of the fluid moving through the pipe. This can be accomplished by utilizing the equation v = Q/A, where v denotes the velocity, Q represents the volumetric flow rate, and A represents the cross-sectional area of the pipe. To determine the volumetric flow rate, one can employ the equation Q = AV, where Q represents the volumetric flow rate, A represents the cross-sectional area, and V represents the average velocity of the fluid. Furthermore, it is essential to take into account the properties of the fluid being transported through the pipe. Factors such as density and viscosity can impact the flow rate. In conclusion, the flow rate in a steel pipe can be calculated by determining the cross-sectional area of the pipe, calculating the velocity of the fluid, and considering the properties of the fluid being transported.

Q: What are the different methods of joining steel pipes?: There are several different methods of joining steel pipes, including welding, threading, flanging, grooving, and using mechanical connectors.

Q: Can steel pipes be used for underground sprinkler systems?: Indeed, underground sprinkler systems can utilize steel pipes. Renowned for their durability and strength, steel pipes prove to be a fitting choice for underground applications. Their resistance to corrosion and ability to withstand high pressure and temperature render them suitable for conveying water to sprinkler heads. Nonetheless, it is crucial to acknowledge that steel pipes may necessitate supplementary coatings or protective measures to prevent rusting and corrosion in the long run. Moreover, the cost factor should be taken into account as steel pipes may be pricier compared to alternative materials like PVC or polyethylene. All in all, steel pipes can serve as a feasible option for underground sprinkler systems, particularly in regions with more severe environmental conditions.

Q: What are the different types of coatings used for steel pipes?: There are several types of coatings commonly used for steel pipes, including epoxy coatings, polyethylene coatings, zinc coatings, and coal tar coatings. Each type of coating offers unique benefits and is used for specific applications to protect the steel pipes from corrosion and other forms of damage.

Q: What are the different methods of pipe joining for steel pipes?: There are several different methods of pipe joining for steel pipes. Some of the most common methods include: 1. Butt Welding: This method involves welding the ends of two steel pipes together. The ends are prepared by beveling or facing them to create a V-groove, which is then filled with molten metal to create a strong and durable joint. 2. Socket Welding: In this method, a socket is welded onto the end of a steel pipe, and then another pipe is inserted into the socket and welded in place. This creates a strong joint that is resistant to leakage and corrosion. 3. Threaded Joint: Steel pipes can also be joined using threaded connections. The ends of the pipes are threaded, and then a threaded coupling or union is used to connect them. This method is commonly used for smaller diameter pipes and allows for easy disassembly and reassembly. 4. Flanged Joint: Flanged joints are used for larger diameter pipes and involve attaching a flange to the end of each pipe. The flanges are then bolted together using gaskets to create a tight and secure joint. This method is commonly used in industries such as oil and gas, water treatment, and chemical processing. 5. Grooved Joint: Grooved joints involve using a grooving machine to create a groove around the outside of the pipe. A coupling or fitting is then inserted into the groove and secured with bolts or clamps. This method is quick and easy to install and allows for easy disassembly and reassembly. Each method of pipe joining has its own advantages and disadvantages, and the choice of method will depend on factors such as the size of the pipes, the application, and the required level of strength and durability.

Q: Water, gas, steel pipes, thick steel wire means?: Thick steel wire pipe is the same wire pipe, but the wire pipe is thin tube, easy to damage, so with thick as the outer diameter can protect the wire tube, so called thick steel wire pipe.

Q: What quota is reserved for buried DN20 steel pipe?: It is an embedded sleeve control sub item, if the reserved hole, then there is no need to cover, special subject structure adjustment factor of the cost of the water supply and drainage engineering, water supply and drainage engineering he is buried under the charge.

Q: What is the difference between steel pipes and ductile iron pipes?: Steel pipes and ductile iron pipes are both commonly used for plumbing and industrial applications, but there are notable differences between them. The main difference lies in their composition and mechanical properties. Steel pipes are made primarily from iron and carbon, with small amounts of other elements added for strength and corrosion resistance. On the other hand, ductile iron pipes contain a higher percentage of carbon and small amounts of other elements like silicon and manganese, which give them improved ductility and resistance to cracking. Consequently, steel pipes are typically stronger and more rigid, suitable for high-pressure applications, while ductile iron pipes offer better flexibility and impact resistance, making them ideal for underground installations and areas prone to ground movement. Additionally, steel pipes are usually more expensive than ductile iron pipes due to their higher strength and corrosion resistance.

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