• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
It is reported that China’s export prices of H beams remain stable. The mainstream export transaction prices of boron added small H beams are at USD 570 to USD 580 per tonne FOB at 2012. Industry sources indicated that the Chinese steelmakers’ price rise was accepted by foreign buyers. It’s pred ...

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 Pipe fittings are available in various shapes, sizes and materials. Barbed Fittings: They slide into soft tubing. For low-pressure installations, tubing elasticity holds the tubing onto the fitting.   Threaded Pipe Fittings: These are the most commonly used fittings based on certain stand ...

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What is a  stub end? A stub end is a butt welded fittings that is essentially a short length of pipe.One end of a stub end is flared outwards and the other end is welded to pipe of the same nominal pipe size(NPS), material and wall thickness. A403 WP304 SCH10S B16.9 Stub Ends A stub end always w ...

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Type Of Bolt: In Petro and chemical industry for flange connections Stud Bolts and Hex Bolts are used. The Stud Bolt is a threaded rod with 2 heavy hexagon nuts, while the Hex Bolt has a head with one nut. Nuts and head are both six sided. Note: The length of metric Stud Bolts measured parallel ...

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Bolt is a part of machine parts, with nuts cylindrical threaded fasteners. By the head and the screw (with external thread of the cylinder) of two parts of fasteners, to cooperate with nut, used for fastening the two parts with hole. This kind of connection form according to bolt connection. Suc ...

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Definition Of Swage Nipple: Swage nipples (also referred to as swages) are reducers for piping systems that are given their name due to the process of their manufacture.Swaging is a metal-forming technique in which the metal is plastically deformed to its final shape using high pressures, either ...

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What is a swage nipple? A swage nipple also named reducing nipple, one end is large diameter and one end is small, they are made from forgings or formed by seamless pipes.Swage nipples are used to bring the flow of fluids from one pipe size to another pipe size. The swage nipple is divided into  ...

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Specification Of API 5L Pipe Insulation Joint: Steel insulation joint, internally and externally coated, 100% electrically tested Design calculations according to ASME WPS, PQR and WPQ according to ASME IX Finite element analysis (on request) Tests: Helium leakage Tests, Water pressure test,Hydr ...

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What is a pipe insulation joint? The pipe insulation joint is an indispensable pressure element in the cathodic protection system of steel pipe and is widely used in it.Insulated joints are used for electrical isolation and cathodic protection of pipelines, tanks and pumping stations that carry ...

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Hebei Haihao Group is professional in union and other kinds of pipe fittings according to ASME/ANSI B16.9,ASME/ANSI B16.11,MSS SP-75,BS,EN,DIN,JIS etc standards. ANSI B16.11 3000# A105 Union Size: 1/2″-48″,DN15-DN1200 ANSI B16.11 A105 Union Pressure: class 3000,class 6000,class 9000 ...

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Definition Of Threaded Pipe Union:  Pipe Union is a type of fitting equipment designed in such a way to unite two pipes which can be detached without causing any deformation to the pipes. Any kind of small diameter piping connections requiring a positive seal and easy assembly as well as disasse ...

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Pipe Union is a type of fitting equipment designed in such a way to unite two pipes which can be detached without causing any deformation to the pipes. Any kind of small diameter piping connections requiring a positive seal and easy assembly as well as disassembly are made with the help of pipe ...

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Hex nipples, also known as hexagon nipples or threaded nipples, are a type of pipe fitting commonly used in various plumbing and piping systems to connect two pipes or fittings of different diameters or configurations.Hex nipples are short pipe segments with threaded ends that allow for easy con ...

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 Size  Plate flange:1/4″-160″ DN8-DN4000  Pressure  America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500. Europe Series:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400.  Flange Facing Types  America Series:Flat face(FF),Raised face ...

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What is a Flange gasket? Flange gaskets are used to create a static seal between two flanges faces, at various operating conditions, with varied pressure and temperature ratings. A gaskets fills the microscopic spaces and irregularities of the flange faces, and then it forms a seal that is desig ...

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 Size  Plate flange:1/4″-160″ DN8-DN4000  Pressure  America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500. Europe Series:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400.  Flange Facing Types  America Series:Flat face(FF),Raised face ...

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Flange gaskets are used to create a static seal between two flanges faces, at various operating conditions, with varied pressure and temperature ratings. A gaskets fills the microscopic spaces and irregularities of the flange faces, and then it forms a seal that is designed to keep liquids and g ...

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A flange gasket is a type of gasket made to fit between two sections of pipe that are flared to provide higher surface area. Flange gaskets come in a variety of sizes and are categorized by their inside diameter and their outside diameter. There are many standards in gasket for flanges of pipes. ...

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We mainly produce olet according to ASME,ASTM,MSS,JIS,DIN,EN,GOST.Commonly the olet includes:weldolet,thredolet,sockolet,latrolet,elbolet,nipolet,sweepolet,insert weldolet,brazolet,coupolet. 8inch MSS-SP A105 Olet MSS-SP A105 Olet Size: 1/2″-72″,DN15-DN2000. 8inch MSS-SP Olet Materi ...

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We mainly produce olet according to ASME,ASTM,MSS,JIS,DIN,EN,GOST.Commonly the reducer includes:weldolet,thredolet,sockolet,latrolet,elbolet,nipolet,sweepolet,insert,weldolet,brazolet,coupolet. DIN Sch10 Stainless Steel Olet DIN Stainless Steel Olet Schedule/Wall Thickness: sch5s,sch10s. DIN Sc ...

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We mainly produce olet according to ASME,ASTM,MSS,JIS,DIN,EN,GOST.Type olet: Weldolet,thredolet,sockolet,latrolet,elbolet,nipolet,sweepolet,insert weldolet,brazolet,coupolet. ASME A234 WPB 1/2″-72″ Olet ASME A234 WPB Olet Size: 1/2″-72″ DN15-DN2000 ASME 1/2″-72R ...

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Certificate: API,CE,ABS,ISO,PED Certificate Approved Marking: As per customer’s request Inspection: Accept Factory in-house or third party inspection Advantage: Long Service life,High Quality,Reasonable Price Export: All over the world Application: Petroleum,chemical,power,gas,metallurgy,s ...

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Definition Of Branch Connection Fittings(o’lets): Branch Connection fittings (also known as O’lets) are fittings which provide an outlet from a larger pipe to a smaller one (or one of the same size). The main pipe onto which the branch connection is welded is usually called the Run o ...

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Weldolet is the most common of all branch connections, and is welded onto the outlet pipe. The ends are bevelled to facilitate this process, and therefore the weldolet is considered a butt-weld fitting. Weldolet’s are designed to minimize stress concentrations and provide integral reinforc ...

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