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HFW vs ERW steel pipe. The principle is different. ERW is a welding method in which pressure is applied through electrodes after the weldment is assembled, and the resistance heat generated by the current passing through the contact surface of the joint and the adjacent area is used for welding. HFW uses solid resistance heat as an energy source. Home-Juyi SteelPipe Co., Ltd--HFW odm hfw square pipe manufacturerERW steel pipe, Oil Juyi Steelpipe Co., Ltd. , get API 5L, API 5CT, ISO 9001, ISO14001, ISO18001 certified, covering 108,900m2 land area and with total investment of 368 million RMB, is the largest, most advanced and professional High Frequancy Longitudinal-Seam Electric Resistant Welded (ERW) steel pipe manufacturer in south China. Juyi Steel pipe Co., Ltd. owns an ERW610 (24) steel pipe product Home-Juyi SteelPipe Co., Ltd--HFW odm hfw square pipe manufacturerERW steel pipe, Oil Juyi Steelpipe Co., Ltd. , get API 5L, API 5CT, ISO 9001, ISO14001, ISO18001 certified, covering 108,900m2 land area and with total investment of 368 million RMB, is the largest, most advanced and professional High Frequancy Longitudinal-Seam Electric Resistant Welded (ERW) steel pipe manufacturer in south China. Juyi Steel pipe Co., Ltd. owns an ERW610 (24) steel pipe product Manning Equation Rectangular Pipe Factory, Suppliers From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of Manning Equation Rectangular Pipe, Rectangular Galvanized Tube, Square Rectangular Pipe, HFW Square Pipe, Good quality is the key factor for the company to stand out from other competitors.

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From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of Manning Equation Rectangular Pipe, Rectangular Galvanized Tube, Square Rectangular Pipe, HFW Square Pipe, Good quality is the key factor for the company to stand out from other competitors. Rectangular and square pipe - Tianjin Youfa International China Rectangular and square pipe catalog of Tianjin Youfa Brand S235jr Grade Square and Rectangular Tube, Top 500 China Youfa Brand 50X50mm Square Ms Steel Pipe provided by China manufacturer - Tianjin Youfa International Trade Co., Ltd., page1. Square Steel Tube - China Square Tube manufacturer Square Tube, Rectangualr Tube, Steel Pipe manufacturer odm hfw square pipe manufacturer supplier in China, offering Rectangular Hollow Section Shs Rhs Pipe, Seamless Steel Pipe Bending Machine Produce Large Diameter Seamless Steel Hot Tubs Pipe, Steel Rectangular Pipe for Decoration Large-Diameter, Thick-Walled Square or Rectangular Tubes and so on. Structure Steel PipeStructure Pipe,ERW Pipe, High Frequency Weld Pipe, Structural Steel Tube, CS Pipe,structure steel pipe,ERW HFW steel pipe,high frequency weld pipe,circular hollow section,CHS . Size Range. Outside diameter:33mm 660mm; Wall thickness:1.2mm 25mm . Material Steel Grade

What is the difference between HFW and ERW?

High-frequency welding (HFW) is a solid resistance heat energy. The use of high-frequency current welding resistance heat generated in the workpiece so that the workpiece is heated to melt the welding area or near the surface of the plastic state, then applied (or not applied) forging force and achieve a combination of metals. Erw Steel Pipe Factory, Custom Erw Steel Pipe OEM odm hfw square pipe manufacturerODM You can buy factory price erw steel pipe from a great list of reliable China erw steel pipe manufacturers, suppliers, traders or plants verified by a third-party inspector. Source with confidence. HFW Steel Pipe:Mgmt. Certification:ISO9001:2008, ISO14001:2004, GB odm hfw square pipe manufacturerT28001-2001 Certificate Galvanized Pipe, Black Square Tube , ERW Welded