• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
In recent days, we received an inquiry from a customer in Singapore, part of which are polyurethane coated steel pipes. The specific content is size: 6 “~10”, wall thicknes: SCH80, material: API 5L Gr. B, coating: polyurethane coating. Polyurethane coating is a common anticorrosive c ...

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There are various things based on which the performance of the fasteners varies, and having knowledge about all these things is very necessary. One of the main things that you should have knowledge about is the coating of the fasteners. The coating of the fastener determines the longevity and th ...

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Internal coating of the Pipes helps to enhance the corrosion resistance ability of pipes, improves the flow, and also helps to reduce deposit formation. There different types of pipe internal coating which our factory can do , such as Fusion Bonded Epoxy (FBE) Coating and Glass flake Coatings. I ...

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Recently ,we supplied a order for seamless pipe with 3PP coating to Iran clients,they will use these pipe on oil pipeline.The customer requires seamless steel pipes, the material is API 5L X52 PSL2, the standard is B36.10M, and the coating is 3PP coating. API 5L X52 PSL2 seamless pipe wih 3PP co ...

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FBE coating (fusion bonded epoxy, fusion bonded epoxy powder coating) is a one-part, thermosetting powder coating that provides pipeline from optimum corrosion protection in all environments – petrochemicals, gases, corrosive substances, saltwater, freshwater, wastewater, and more . FBE Coating ...

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First ,what’s the epoxy coating? Epoxy coating is a two-component self-drying coating composed of epoxy resin, various color pigments, wear-resistant fillers, additives and solvents as one part, and the other part is a special curing agent. Epoxy coating steel pipe with flange Second , wha ...

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Elbow is a fitting that changes the direction of a pipe run. According to the angle, there are three most commonly used elbows: 45 ° and 90 ° 180 °, and other abnormal angle elbows such as 60 ° are also included according to the needs of the project.(Welding method of large-size elbow) First, cu ...

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The so-called large-diameter elbow is a large-diameter high-pressure steel pipe connector used in high-pressure pipelines such as oil, gas and coal slurry transportation. The pipe diameter is more than 630mm. These pipelines usually bear a high pressure of more than 100MPa. Manual welding large ...

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Seamless elbow is manufactured by the seamless steel pipe, through hot push, press or extrusion processes, and there is no seam on the elbow body.Welded elbow small than DN600 is manufactured by welded steel pipe, is made in the same process as seamless elbow.But there is a welded seam on the el ...

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According to the production process, steel pipe can be divided into seamless steel pipe and welded steel pipe. What is the difference between seamless steel pipe and welded steel pipe? Different forming processes: seamless pipes are made of long steel cylinders. The engineer heated the cylinder ...

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DNV GL certification is the certification of det Norske Veritas, and DNV GL certification is an independent third-party organization. DNV GL, BV and ABS are called the three major classification societies. After Hebei Haihao Group obtained BV and ABS Type Approval certificate.In order to further ...

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1 SCOPE This standard covers the standardization of dimensions of welded and seamless wrought stainless steel pipe for high or low temperatures and pressures. The word pipe is used, as distinguished from tube, to apply to tubular products of dimensions commonly used for pipeline and piping syste ...

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SCOPE This Standard covers the standardization of dimensions of welded and seamless wrought steel pipe for high or low temperatures and pressures. The word pipe is used, as distinguished from tube, to apply to tubular products of dimensions commonly used for pipeline and piping systems. Pipe NPS ...

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1. SCOPE 1.1 This Standard Practice provides dimensions, tolerances, and markings for butt-welding fittings for low pressure, corrosion resistant applications. 1.2 This Standard Practice covers only fittings made for use with Schedule 5S or 10S pipe, for all NPS sizes listed in ASME B36.19M, exc ...

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1.1 This Marking system applies to valves, fittings, flanges and unions used in piping connections which include (but nare not limited to) flanged, soldered, brazed, threaded or welded joints. 1.2 These specified markings serve to identify the manufacturer, the rating designation,materials of co ...

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SCOPE 1.1 This specification covers factory-made, seamless and electric fusion-welded carbon and low-alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and main ...

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At the 1994 meeting of Subcommittee F, the project to develop a standard was accepted. Through the cooperation of producers and users familiar with the process, and with approval by the Standards Committee and ASME, ASME B16.49-2000 received approval as an American National Standard on April 25, ...

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In 1959, recognizing the increasing use of short radius buttwelding fittings not covered by ASA B16.9-1958, MSS developed Standard Practice SP-59. In 1963, this Standard was submitted to Subcommittee 6 (now Subcommittee F), the B16 group responsible for welded fittings, for consideration as a ca ...

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ASME B16.25-2012  SUMMARY OF CHANGES Following approval by the ASME B16 Committee and ASME, and after public review, ASME B16.25-2012 was approved by the American National Standards Institute on October 22, 2012. ASME B16.25-2012 includes the following changes identified by a margin note, (12). ...

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This Standard covers ratings, dimensions, tolerances,marking, and material requirements for forged fittings,both socket-welding and threaded, as illustrated inTables 4 through 8 and Tables I-1 through I-5, inclusive. 1.1.1 Fitting Types/Configuration. Types of fittings covered by this Standard a ...

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The stainless steel material 304 is the most common grade in industry field.In steel piping systems,there are pipes,fittings,flanges and other products are made from 304 stainless steels. Grade 304 is an austenitic steel with chromium and nickel as the key elements.Based on these elements 304 st ...

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ASTM A403 WP304H material is a kind of common stainless steel.It is widely used to connect the piping systems in equipment and pipelines which require a good comprehensive performance(heat and corrosion resistance). ASTM A403 WP304H stainless steel pipe fitting should be connected with the 304H ...

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ASTM A403 WP304H pipe fitting mean the pipe fitting which material is wrought austenitic stainless and grade is ASTM A403 WP304H.This material has a high carbon content in chemical compositions.It is used for the pressure piping systems of moderate and high temperature services.WP304H is a kind ...

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Haihao Group will attend the 11th International Tube Pipe Trade Fair for Southeast Asia,the exhibition will be held at 19-21 September 2017 in Thailand. Tube Southeast Asia 2017 is the region’s leading procurement and networking platform that connects you to key local and global manufactur ...

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