Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P91 CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P91 CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P91 CNBM System 2

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes A335P91 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 testing methods for steel pipes?: Some of the different testing methods for steel pipes include non-destructive testing methods such as ultrasonic testing, magnetic particle testing, and radiographic testing. These methods are used to detect any defects or inconsistencies in the pipe's structure or material without causing any damage. Other testing methods include hydrostatic testing, which involves pressurizing the pipe with water to check for leaks or weaknesses, and mechanical testing, which measures the pipe's strength and durability through tensile, hardness, and impact tests.

Q:How are steel pipes measured and categorized?: Typically, steel pipes are measured and categorized by their outer diameter, wall thickness, and length. The outer diameter represents the width of the pipe when viewed from the side, while the wall thickness refers to how thick the pipe's walls are. These measurements are usually given in millimeters or inches. Categorizing steel pipes is done based on their purpose and specifications. The most common way to categorize them is by their pressure rating, which determines their ability to handle different levels of internal or external pressure. Pipes are divided into different pressure classes, like Schedule 40, Schedule 80, and Schedule 160, to name a few. The higher the pressure class, the thicker and stronger the pipe is. Steel pipes can also be categorized according to their manufacturing process and material composition. For instance, seamless steel pipes are created by piercing a solid steel bar to create a hollow tube, while welded steel pipes are made by rolling and welding a flat steel sheet or strip into a cylindrical shape. Additionally, steel pipes can be classified based on their material composition, such as carbon steel pipes, stainless steel pipes, or alloy steel pipes. Another way to categorize steel pipes is by their end connections or fittings. Common types of pipe ends include threaded ends, which are suitable for attaching fittings by screwing them onto the pipe, and plain ends, which are typically used for welding or flanging connections. In conclusion, the measurement and categorization of steel pipes are crucial for ensuring the proper selection and usage of these pipes in various industries, including construction, oil and gas, plumbing, and manufacturing.

Q:How are steel pipes tested for leaks?: Steel pipes are typically tested for leaks using various methods such as hydrostatic testing, pneumatic testing, or advanced technologies like ultrasonic testing. In hydrostatic testing, the pipe is filled with water or another liquid, and pressure is applied to check for any leaks. Pneumatic testing involves using compressed air or gas to pressurize the pipe and identify potential leaks. Ultrasonic testing employs high-frequency sound waves to detect any leaks or flaws in the steel pipes. These testing methods ensure the integrity and quality of steel pipes before they are put into use.

Q:What is the purpose of pipe flanges in steel pipes?: The purpose of pipe flanges in steel pipes is to provide a secure and leak-proof connection between two pipes or fittings. Flanges act as a connection point, allowing easy assembly and disassembly of pipes while ensuring a tight seal to prevent any leakage or loss of fluid or gas.

Q:How are steel pipes tested for quality and strength?: Steel pipes are tested for quality and strength through various methods, including destructive and non-destructive testing. Destructive testing involves subjecting the pipes to extreme forces, such as tension, compression, and bending, to determine their mechanical properties and structural integrity. Non-destructive testing methods, such as ultrasonic testing, magnetic particle testing, and radiographic testing, are used to detect any defects or inconsistencies in the pipes without causing damage. These rigorous testing procedures ensure that steel pipes meet the required quality and strength standards before being used in various applications.

Q:Why seamless steel pipe called seamless steel pipe?: Seamless is relative to welded steel pipe, because welded steel pipe is welded with steel strip, seamless steel pipe is made of whole round steel empty, no welding seam.

Q:Galvanized steel pipe, PPR pipe, PE pipe, U-PVC pipe and HDPE double wall corrugated pipe and what is the difference between the characteristics of: PE pipe, polyethylene pipe, the past is also commonly used in low temperature water, but because of its short life now use less prone to aging, more PE material for the production of plastic bags;

Q:What are the common methods for inspecting the integrity of steel pipes?: Common methods for inspecting the integrity of steel pipes include visual inspection, ultrasonic testing, magnetic particle testing, radiographic testing, and pressure testing.

Q:What are the different types of steel pipe coatings for drinking water pipelines?: The different types of steel pipe coatings for drinking water pipelines include cement mortar lining, polyurethane lining, epoxy lining, and polyethylene wrapping. These coatings are applied to the interior and/or exterior of the pipes to prevent corrosion and ensure the safety and quality of the water being transported.

Q:Can steel pipes be used for conveying slurry?: Indeed, steel pipes possess the capability to serve as a conveyance for slurry. In numerous industries, steel pipes find extensive usage in the transportation of diverse fluid varieties, including slurry. Slurry, a liquid containing suspended solid particles, is effectively accommodated by steel pipes due to their robustness, endurance, and corrosion resistance. The adeptness of steel pipes in managing such mixtures is further enhanced by their ability to handle high pressures and temperatures, rendering them suitable for conveying slurry in arduous applications like mining, dredging, and wastewater treatment. Moreover, the ease of welding steel pipes enables the construction of lengthy pipelines that efficiently facilitate the transport of slurry across considerable distances. Nonetheless, it is vital to consider the specific attributes of the slurry being conveyed, such as particle size, density, and abrasiveness, to ensure the selection and design of pipes that guarantee optimal performance and longevity.

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