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How to get seamless steel pipes?

What are seamless steel pipes? Seamless steel pipes are long, hollow tubes that are used for a variety of purposes. Raw steel is first cast into a more workable starting form. It is then made into a pipe by stretching the steel out into a seamless steel pipe. Production Process of Seamless Steel Pipe According to manufacuring process of seamless pipe,seamless pipe can be divided into hot rolled seamless tube and cold drawn seamless tube. Process flow chart of cold drawn seamless steel pipe Cold drawn seamless steel tubes process: round tube → heating → perforation → Heading → annealing […]

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What is a spiral steel pipe?

What is a spiral steel pipe? Spiral steel pipe is made by steel coil, extrusion forming under the normal temperature, then taken the technology of double wire and double-faced submerged-arc welded. Spiral steel pipe, also known as spiral or helix spiral steel pipe, is a low-carbon steel or low-alloy structural steel strip at a certain helix angle (called molding angle) rolled into a tube, and the tube is made of welded joints It can be produced with a narrow strip of large diameter pipe. During molding process of spiral welded steel pipe, steel plate has uniform deformation and light residual […]

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What Is A LSAW Steel Pipe?

What is a LSAW steel pipe? (Longitudinally Submerged Arc Welding steel pipe) LSAW steel pipe in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production. A wide range of the finished product specifications, weld toughness, ductility, uniformity and dense, with a large diameter, wall thickness, high pressure resistance, low-temperature corrosion resistance, etc.. Required steel pipe in the construction of high-strength, high toughness, high-quality long-distance oil and gas pipelines, mostly large diameter thick wall LSAW. Longitudinally welded steel pipes are used in onshore and […]

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A Brief Overview of Pipe Fittings

What are Pipe Fittings? Pipe fittings are the objects that holds the whole piping system together. This is because they make the pipes usable and help route the water to where it needs to go. When a bathroom remodel is done, these carbon steel pipe fittings may also need to be worked with in order to make sure they are doing what they need to be doing. If they are not there, then the whole thing will not work at all. Pipe fittings are widely used in plumbing systems to join tubing sections and straight pipes to adapt to varied […]

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What is a hot rolled seamless steel pipe?

What is a hot rolled seamless steel pipe? Hot-rolled seamless steel pipe is a large category of seamless steel pipe, which is divided according to the production method. Hot rolling is relative to cold rolling, cold rolling is carried out rolling at room temperature, and hot rolling is carried out rolling at the recrystallization temperature. Seamless steel pipe is named relative to the welded steel pipe, seamless steel pipe is usually made of round steel perforation and reprocessing, welded steel pipe is usually welded by steel plate in different ways. The diameter of hot-rolled seamless steel pipe is usually above […]

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General Information About Flanges

What is a flange? Flange is a major component for connecting two pipes. Generally speaking, it connects the ends of two pipes through threading or welding. Thus, flanges are classified into two big categories according to attended modes: threaded connection (screwed) flanges and welding flanges. If two pipes are arranged to be connected, a pair of flanges, a gasket and several bolts and nuts are needed to complete the flange joint. At first, put the gasket between two sealing faces. Then, tighten the bolts. When the gasket surface pressure reaches a certain level, it would be deformed to fill the […]

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What is a blind pipe flange?

What is a blind pipe flange? A Blind pipe flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened. The blind pipe flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind […]

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What are forged fittings?

What are forged fittings? Forged fittings are used to connect, branch, blind or route small diameter piping systems (generally, below 2 inches). Contrary to butt weld fittings, which are manufactured from pipes and plates, forged fittings are produced by forging and machining steel. Forged fittings are available in multiple shapes, sizes (bore sizes and pressure ratings) and forged material grades (the most common are ASTM A105, ASTM A350 LF1/2/3/6 for low-temperatures, ASTM 182 for corrosive, high-temperature applications). Forged fittings are connected to pipes by socket weld or threaded connections. ASME B16.11 is the reference specification. Forged fittings are manufactured according to the ASME B16.11, MSS SP 75, […]

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Experimental Study on Local Erosion of 304 Stainless Steel Bends with Gas Carr……

Abstract: Experimental study on local erosion of 304 stainless steel bends with gas carrying sand induced by SiO2 sand blast was studied in terms of wall thickness loss along the band periphery and micro-morphology on the inner wall surface of the longitudinal section of a band after erosion test. The result shows that the erosion of the stainless steel bend caused by sand particles is mainly concentrated on the outer half of the band and the ratio of the mass loss of the outer half to that of the inner half of a band, namely index α, increases with the increase of […]

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What is a steel pipe?

What is a steel pipe? A steel pipe is a round hollow section manufactured by drawing a solid billet (in carbon, alloy, stainless or nickel alloy steel) through a piercing rod. Seamless pipes are considered superior to welded pipes as they are built using monolithic steel billets, with intrinsic mechanical strength, without seam welds. Seamless steel pipes are used for the transmission and distribution of oil, gas, steam, and chemicals. Stainless steel seamless pipes offer enhanced resistance to corrosion at high temperature and pressure. Seamless steel pipes have a higher price per ton than welded pipes, due to their fairly […]

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