• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Christmas Day and New year is coming. Many people are in holiday and have a family reunion together. Almost the whole world is immersed in a festival atmosphere. Everyone talk about the harvest of this year and looking forward to the coming year. After new year, people will go on fighting for be ...

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The most used flange types according to ASME B16.5 in Haihao Group are: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange. And we have special flanges,which are: Orifice flanges, Spectacle blinds, Long Welding Neck flange, Reducing flange. Different types of flange faces ...

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Ebow can be made of carbon steel ,stainless steel ,alloy steel , and it can be welded and seamless . It used to connect with pipe ,flange with welded ,threaded  or socket weld to change the angle of pipeline . We can make it according to ANSI,JIS,DIN,GOST. pipe elbow-socket weld/threaded /buttwe ...

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Our customer from Indonesia came to our factory for product inspection. It was the second time for him coming here. For the first time he visited our factory and placed an order immediately. He trust us because of our big scale and high quality. He checked the elbows carefully using testing tool ...

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Casting pipe fittings process-Haihao Group Casting is a metal smelting meet certain requirements in liquid and poured into the mold, after cooling and solidification, clearing process to get there casting (part or blank) of the process of a predetermined shape, size and performance. Forging is ...

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Forged Steel Pipe Fittings-Haihao Group What is a forged steel pipe fittings ? Forged steel pipe fittings are hot formed sections with different types for high pressure pipe fittings, they are made from the process of forging. These fittings normally attached to pipes to the end of pipes ...

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  What is the threaded pipe fitting ? Threaded joints probably represent the oldest method of joining piping systems. Like socket weld pipe fittings, threaded pipe fittings are mainly used for small pipe sizes,commonly for piping whose nominal diameter is NPS 2 or smaller.Threaded pipe fitt ...

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What is the socket weld pipe fitting? A Socket Weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange. Comparing the butt weld pipe fittings, socket weld pipe fittings are mainly used for small pipe diameters ;commonly for piping of diame ...

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Definition: What is a butt welding pipe fitting? A butt welding pipe fitting is a accessory for piping connection. It is designed for changing pipe direction and pipe diameter,branching or ending a pipe system.Then the pipe fitting jonit in the pipe system for transporting fluids over distance i ...

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Flanges General A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. Flanges are usually welded or screwed. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal.It also provides easy access for cleani ...

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In october,Hebei haihao pipe fitting factory just finished the fittings order of piping system for airplane fuel ,the order products are steel pipes and pipe fittings with 3PLE external coating and epoxy paint internal lining. steel-pipe-epoxy-lining-thickness-inspection This air fuel project ha ...

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flange-insulation-gasket-kits Flange insulation kits are the most widely used form of controlling losses due to corrosion.They can be used to control stray eletric currents in piping at oil,gas,water,refinery,and chemical plants,to increase the effectiveness of cathodic protection systems and c ...

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Last month, the pipe fitting factory of our Haihao group received a purchased order of steel elbows from our regular client. The elbows specification is ASME B16.9, 40INCH,SCH-STD and 48INCH,SCH-STD. The material is ASTM A234 WPB. NACE MR01-75. The marking is also according to the ASME standard. ...

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In 10/20/2015, our UAE clients from Dubai office, visited our company . The client just attended the Carton Fair of Guangzhou last few days , then they fight to our company to have a meeting with our team . Haihao salesman and engineer introduced and showed our facilities and setup to the client ...

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As the connection joints of piping system, steel pipe fittings are very important to the piping system in a project ,so the quality must be excellent. For the butt welding pipe fittings, their quality is more important, because they are welded in the piping system, it is difficult to install ...

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When we talk about the material of steel pipe fittings,  we talk the material steel grade , for example,  ASTM A234 WPB or A403 WP316L. It is the material information of this fitting , not the raw material steel grade for fittings production .  A butt welding steel elbow, 6″ SCH40, the material  ...

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In recent years,the high-end manufacturing in China is growing quickly.Due to the high quality and moderate cost, more and more clients hope to find suitable manufacturer in China for their critical products. Tube sheet understand lathe machining China’s large-scale industry now plays an ...

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In January 27,2017,the European Union(EU) decided to impose definitive anti-dumping duties on steel products imported from China and Taiwan to protect struggling steel manufacturers in Europe. Stainless steel tubes and butt welding pipe fittings manufacturer in China It comes as protectionist US ...

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November 30,2016,Canada Border Services Agency (CBSA) determine the Oil country tubular goods pup joints made in China will keep the anti-dumping tax,to project the steel pipeline industry of Canada. Pup Joints For Drill Pipe In Oil Gas Industry On August 2,2016,the Canadian International Trade ...

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In September 12th, 2016, Brazil is likely to extend the antidumping duty on steel pipes from China. Brazil’s foreign trade board Camex is preparing a study regarding to extend duty over imports of seamless steel line pipes from Chinese. Brazil had implemented a $743 per Ton duty Chinese ca ...

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Some analysts said, in the short term ,devaluation of the RMB have boost the exportation, but still limited by the global devaluation, exports to exchange rate changes little elasticity, disappearance of low-cost and pessimistic oversea demand ,etc. Chinese exports(such as pipe fitting and flang ...

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Japanese steel mills are facing a decreased situation because of the low oil market price ,weak domestic demand and the worldwide slower economy .Actually the steel producers all over the world have been effected by the fall-off of steel prices, and the huge exporting of China steel material . H ...

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Eccentric different diameter pipe diameter that is multiplied by the head diameter multiplied by the thickness. stainless steel eccentric reducer Eccentric different diameter pipe standard: GB American Standard British standard and non-standard stamping pressure. eccentric reducer eccentric redu ...

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I have found a Chinese Wind Power Flange Industry Report 2014 on the internet. It is a professional and in-depth study on the current state of the global wind power flange industry with a focus on the Chinese situation. (The steel flanges department is another main division of Hebei Haihao Group ...

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