Andres Driesholten

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Andres Driesholten Co., Ltd. is a company specialized in mild steel plate,shipbuilding steel plate,Boiler steel,Weathering steel plateThe supply capacity per year is about 8,900,000 tons steel plate/coil according to EN10025,EN10028,ASTM A36,ASTM A131, JIS G3101,JIS G3106...

  • Gas cylinder steel plate

    Gas cylinder steel plate

    Gas cylinder steel plate is used in welded gas cylinder and related products. supplies gas cylinder steel with better anti-stress capability. Popular......

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  • Shipbuilding steel plate

    Shipbuilding steel plate

    shipbuilding steel plate suppliers,we supply A,B,D,E,AH32,DH32,EH32,FH32,AH36,DH36,EH36,FH36,AH40,DH40,EH40,FH40 with ABS,DNV,GL ....

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  • Boiler pressure vessel steel

    Boiler pressure vessel steel

    Boiler and pressure vessel grade steel comes in a variety of grades and thicknesses, and are designed to withstand the immense internal ......

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  • Alloy steel Plate

    Alloy steel Plate...

    Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. ...

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  • Q345B steel plate

    Q345B steel plate

    Steel grade Q345B is the most common used as high strength low alloy structural steel in industry area. ...

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  • Q235B steel plate

    Q235B steel plate

    Q235 steel is Chinese structural steel, Q235A Q235B Q235C Q235D material density: 7.85 g/cm3, properties, specification, composition .. ..

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ss steel pipe high frequency welded pipe with thread

  • High Frequency Welded Stainless Steel Pipes

    High Frequency Welded Stainless Steel Pipes. What is a High Frequency Welded Stainless Steel Pipe? The high frequency erw steel pipe is different from the ordinary welded pipe welding process. The weld bead is melted from the base material of the steel strip body, and the mechanical strength is better than that of the general welded or SSAW steel pipe.Read More

  • High Frequency Resistance Welded Pipe

    High frequency resistance welded pipes have been used in the production of carbon steel welded pipes for more than 40 years. The high frequency resistance welded pipe has a large power supply. For various materials, the diameter strain and wall thickness steel pipe can achieve a higher welding speed (more than 10 times the arc welding of the Read More

  • FAQ of All Steel Pipe and Tube Specification SS Steel

    SS Steel have all professional knowledge & staff for all international welded or seamless steel pipes and tubes.We have answers for FAQ of spec or standard. HFW Pipe is short for high frequency welded pipe.Read More

  • Union, MSS SP 83 Socket Welding & Threaded Steel Pipe

    MS SP 83 contains dimensionals, finish, tolerances, testing, marking, material, and minimum performance requirements for forged carbon and stainless steel pipe unions, socket welding and threaded Read More

  • High Frequency Induction (HFI) Welded Pipe

    In High Frequency Induction (HFI) Welded Pipe production process, hot rolled steel coils are fed with a high capacity accumulator in order to achieve continuous welding. HIGH FREQUENCY WELDING is a welding process in which the heat source used to melt the joining surfaces is obtained from high frequency (HF) alternating current (ac) resistance heating.Read More

  • High frequency Welded Steel Pipe Production Process and

    Sep 23, 2016 · High frequency current through the metal conductor, will have two peculiar effectsskin effect and proximity effect, high frequency welding is the use of these two effects to pipe welding. Frequency welded pipe production process depends mainly on the variety of products, from raw materials to finished products need to go through a series of Read More

  • What is a Welded Steel Pipe? About Welded or ERW Steel

    Welded pipe (pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp that are formed, bent and prepared for welding. The most popular process for large diameter pipe uses a longitudinal seam weld. Spiral welded pipe is an alternative process, spiral weld construction allows large diameter pipe to be produced from narrower plates or skelp.Read More

  • ERW HFW(HIGH FREQUENCY WELDED) CARBON PIPES

    Sep 12, 2014 · HFW(HIGH FREQUENCY WELDED) CARBON PIPES PREFERRED, BETTER. A recently published article in the Wall Street Journal by Alison Sider referred to the oil pipeline failure in Mayflower, AR by saying the cause, according to the Pipelines and Hazardous Materials Safety Administration (PHMSA) website, can be attributed to ..some types of an early welding process called electric resistance welding.Read More

  • Dealing with Low Frequency Welded ERW jfk

    few if any low frequency welders were still being used. With the use of high frequency current, the problem of contact resistance is virtually nonexistent. As a result, high frequency welded pipe tends to be relatively free of the bondline defects that were common in the low frequency and d.c. welded Read More

  • Differences between ERW Steel Pipe and HFW Steel Pipe

    High frequency welding (HFW) steel pipe is that ERW pipe produced with a welding current frequency equal to or greater than 70 kHZ. Through high frequency current welding resistance, the heat generated in the contact objects, so the objected surface are heated to the plastic state, then with or without forging to achieve a combination of steels.Read More

  • What is high frequency welded pipe? What is the difference

    4. Straight seam electric welded steel pipe (YB242 63) is a steel pipe whose weld is parallel to the longitudinal direction of the steel pipe. Usually divided into metric electric welded steel pipe, welded thin walled pipe, transformer cooling oil pipe and so on. High frequency straight seam steel pipe standard code1.Read More

  • Weld Steel Pipe (ERW/HFW) big diameter steel pipe,steel

    Weld Steel Pipe ERW HFW. Casing Steel Pipe. Product DescriptionAPI 5L Oil Casing, ERW Casing, Longitudinal Seam welded Pipe, High Frequency Welded Pipe, Water Well Tube Size Range Size Code Weight Code Outside Diameter Read More

  • Common Mistakes In Welding Of Duplex Stainless Steel Pipes

    Three Welding Methods Of Stainless Steel Welded Pipes. Nowadays, the welding methods of stainless steel welded pipes used in industry mainly include argon arc welding, high frequency welding, Combined welding. These three welding methods have their own characteristics. Currently, the most commonly used are argon arc welding and high frequency Read More

  • Union, MSS SP 83 Socket Welding & Threaded Steel Pipe

    MSS SP 83 Socket Welding & Threaded Steel Pipe Unions Manufacturers, Suppliers, Stockist. Types, Specifications, Pressure Rating, Size of Forged Unions.Read More

  • Differences Between ERW Steel Pipe and HFW Steel Pipe

    The high frequency welding (HFW) is mainly used in ordinary or thin wall steel pipe. It includes contact welding and induction welding. Direct current welding is generally used for small caliber steel tubes. In general, HFW is one of ERW production methods, it adopts the high frequency welding process.Read More

  • Pipes ZAFFERTEC

    High Frequency Welded Pipes (HFW) HFW pipes are made from hot rolled flat steel strip, formed into a tubular shape. The longitudinal seam is welded by heating the edges using a high frequency induction coil and by applying pressure to these edges. The weld Read More

  • China High Frequency Straight Seam Carbon Steel

    China High Frequency Straight Seam Carbon Steel Galvanize Stainless Steel Pipe Making Machine TG60, Find details about China Pipe Making line, Pipe Making Machine from High Frequency Straight Seam Carbon Steel Galvanize Stainless Steel Pipe Making Machine TG60 Read More

  • HIGH FREQUENCY WELDING THE PROCESS AND

    HIGH FREQUENCY WELDING THE PROCESS AND APPLICATIONS By Robert K. Nichols, PE Thermatool Corp. stainless steel, titanium, and gold. It can be applied to any electrically conducting 1.3 x .140 Galvanized Steel Pipe 4.25h x .125 Roll Formed Beam 12 x .075 Galvanized Culvert Pipe Weld Weld Weld Weld WeldRead More

  • Welded vs. seamless steel pipe American Piping Products

    Welded pipe manufacturing techniques have improved over the years. Perhaps the most important advancement has been the switch to high frequency electric currents for welding. Prior to the 1970s, low frequency current was used. Weld seams produced from low frequency ERW were more prone to corrosion and seam failure.Read More

  • WELDING OF STAINLESS STEELS AND OTHER JOINING

    most weldable of the high alloy steels and can be welded by all fusion and resistance welding processes. Comparatively little Table 2 Comparison of Welding Characteristics of Type 304 Stainless Steel with Carbon Steel Carbon Steel Type 304 Remarks Melting Point 2800 2550 2650 Type 304 requires less heat to produce fusion, which means fasterRead More

  • Advantages Of Stainless Steel Welded Pipes To Replace

    Apr 08, 2020 · GB / 151 1999 clearly stipulates that the stainless steel welded pipe can be selected when the pipe side pressure is 6.4MPa. By now, the production process of stainless steel welded pipe can fully meet the needs of general heat exchanger tubes, and has demonstrated its unique advantages.Read More

  • Welded Standard & Line Pipe US Steel Tubular Products

    U. S. Steel Tubular Products high frequency electric weld (ERW) line pipe and standard electric resistance weld pipe products are smoothly finished and thin walled. They are produced by continuously forming coiled hot rolled strip into a tube and welding the longitudinal seam using high frequency electric resistance welding.Read More

  • High Frequency Welded Pipe /carbon Steel Pipe

    High Frequency Welded Pipe /carbon Steel Pipe Production Line , Find Complete Details about High Frequency Welded Pipe /carbon Steel Pipe Production Line,Carbon Steel Pipe Production Line,Welded Pipe /carbon Steel Pipe Production Line,High Frequency Welded Pipe /carbon Steel Pipe Production Line from Supplier or Manufacturer Cangzhou Zhiye Cold Forming Machinery Co., Ltd.Read More

  • China Welded Steel Pipe, Welded Steel Pipe Manufacturers

    China Welded Steel Pipe manufacturers Select 2020 high quality Welded Steel Pipe products in best price from certified Chinese Steel Pipe manufacturers, Steel Casting suppliers, wholesalers and factory on Made in ChinaRead More

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Fill in this form or click the service online, all questions will be answered.

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Fill in this form or click the service online, all questions will be answered.