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News

  • WRD on 11th Asia Galvanizing Conference in Thailand

    WRD participated in the 11th Asia Pacific General Galvanizing Conference during July 23-26th, 2019 in Bangkok, Thailand. Under the title of “Znchronize Asia for the future”, the event is going to present world class technology along with all other aspects regarding gener...
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  • 11th Asia Pacific General Galvanizing Conference In Thailand

    On July 24-25th, 2019, the 11th Asia Pacific General Galvanizing Conference will be hold in Bangkok, Thailand. The event is going to present world class technology along with all other aspects regarding general hot-dip galvanizing. With more than 60 complete lines designed, manufactured, install...
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  • WRD Pipes Galvanizing Line successfully put into operation

    WRD after-sales team has been on-site installation and commissioning for several times, and the final pipes GI lines has been successfully delivered to customers for use. Looking back on the whole process of installation and commission...
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  • WRD’S Daily Export – End facing and beveling machine to Southeast Asia

    WRD had produced and installed one 89*6.0 ERW mill line in Brunei last year.  On March 2019, the customer demands an automatic end facing and beveling machine supporting their 89*6.0 ERW mill line.  After about one month’s production and inspection, the automatic end facing and beveling mac...
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  • Common problems and treatment of steel pipe internal burr removal II

    Residual height of internal burr exceeded the standard In production, the contents of steel pipe are prone to remain bumps after burr removal in small diameter welded pipe, as shown in the following figure. This problem is often caused by inadequate scraping of burr knives or inadequate adjustmen...
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  • Common problems and treatment of steel pipe internal burr removal I

    Excessive output power Because of the limitation of small diameter HFW welded pipe diameter, the section area of magnetic rod will be limited by the internal cutter rod, resulting in low welding speed and excessive output power. Solution: 1 The magnetic rods with larger diameters should be chose...
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  • WRD’S DAILY EXPORT – THE ERW TUBE MILL LINE EXPORTED TO MIDDLE EAST

    Recently we has completed the production, quality inspection, commissioning of ERW 25 steel pipe mill line, and successfully exported on 30th, April 2019. ERW 25 high-frequency straight seam welded pipe production line is used to produce round electric welded steel tube Ø8~Ø25mm with wall thickn...
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  • Why the correct matching of high frequency welding machine is so important

    In the welding process of solid-state high frequency welding machine, the ability to transfer all welding machine power to the working coil is determined by the matching of the impedance (load) of the coil and the ratio of the maximum output voltage of the transformer to the maximum output curren...
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  • Optimal efficiency control of high frequency welded pipe welding process

    In high-frequency welding, the welding power is generally above 100 kW, of which 80% of the power is consumed in the heating of the coil, the impedance, and the heating of the pressure roller and the tube blank. Therefore, the key to minimizing power loss is to set up reasonable coils, resistors...
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  • Burr Removal Device in Small Diameter Welded Pipe

    In the production of high frequency welded pipe, the removal of inner burr is always a difficult problem to solve, especially for small diameter welded pipe. The larger and medium diameter welded pipe is prone to inner burr scraping deviation, excessive or small, and unclean scraping, which serio...
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  • Usual Maintenance of High Frequency Welded Pipe Mill Line

      Compared with seamless pipes, high frequency welded pipes are characterized by high continuity, high efficiency and low cost. At the same time, the production of raw material strip is developing rapidly, and the proportion of welded pipes in the whole pipe is increasing. The production of...
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  • Something for Squeeze roll form

    1 upper roll and 2 side rolls The three-roll squeezing method –”1 upper and 2 side” is equivalent to a short-circuit or current bypass device across the squeezing welds. The current short circuit or current bypass may have different upper roll diameters for different design and welded pipe...
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  • Two API Pipe Mills run successfully in Shuangjie

    Tianjin Shuangjie Steel Pipe Co., Ltd. has been established for more than 40 years. Their rich experience and first class quality products makes Shuangjie very famous among API steel pipe industry.    Shuangjie had appointed WRD to offer two API pipe mills on August, 2018. After six months p...
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  • WRD GALVANIZING LINE OVERALL ADAPTATION AND INSTALLATION

    Our galvanizing production line has entered the installation of main equipments. The WRD general engineer came to the scene personally, not only solved the problem of fitting parts of both sides for customers, but also formulated the cooperation plan of both parties, which made the installation p...
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  • Lucca Five difetti Common e so misure Preventive in Saldatura High Frequency

    cundutti saldò-High ultrahigh pò avè parechji difetti, è i difetti ùn sò cumpletamenti uniformi. In cumminazzioni cu lu caratteristiche di a nostra pruduzzione pipa saldò, ci sò parechji difetti chì spessu esempiu: 1 ch'ella; 2 asiatica Insufficient; 3 Saldatura; 4 Cast soudure; 5 stampus Air; 6 Skip ...
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  • Difetti cumune è misure preventive in Saldatura High Frequency - ch'ella

    cundutti saldò-High ultrahigh pò avè parechji difetti, è i difetti ùn sò cumpletamenti uniformi. In cumminazzioni cu lu caratteristiche di a nostra pruduzzione pipa saldò, ci sò parechji difetti chì spessu esempiu: 1 ch'ella; 2 asiatica Insufficient; 3 Saldatura; 4 Casting è Saldatura; 5 stampus Air; ...
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  • Pannier materiale è andate di HF saldò Pipe Rulli

    Comu u strumentu principali in i pruduzzioni di pipa saldò, u selection, usu è mantinimentu di i matiriali bread, hannu un pesu impurtante in a vita, è ecunumia di u libru. Na vota ca lu libru hè guastatu e fragmented in usu, si pò esse scrapped solu, è qualchi Crosta sò dritti da Saldatura cladding chimique, ...
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  • WRD GALVANIZING LINE hè stallatu IN SUD ASIA

    Cu l 'arrivu di successu di u noms de trasportu, u chaudière di a nostra linea galvanizing cumincià à esse piazzate sottu à u cummandu di u nostru persunale tecnicu è a stallazione. Sta linia pruduzzione pò galvanize pipa azzaru cun diamitru da 2 puseri à 6 puseri, longu 5,8 à 6,4 metri. U galvanizing lingua ...
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  • WRD LINE GALVANIZING SI PRUPOSITU TO stallati in SUD ASIA

    Cù l 'ultimu assai di ligna galvanizing Hot-abbagnatu famosi successu. U nostru persunale di tecnica, è a stallazione sò circa à crià fora è fatta la linia mulinu. Sta linia pruduzzione pò galvanize pipa azzaru cun diamitru da 2 puseri à 6 puseri, longu 5,8 à 6,4 metri. A ligna galvanizing hè Cuncezzione ...
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  • EXPORT cutidianu WRD'S - A HOT abbagnatu GALVANIZING LINE Tube mulinu tutta TO THE BELT AND terrace, paese,

    In risposta à a chjama di "l 'Belt è Road", avemu olive pruduzzioni è tecnulugia à sti paesi. Recently avemu compiu a produzzione, pirmittennu quality, commissioning di parziale linia galvanizing hot-abbagnatu 2 «-6" pipa azzaru, è tutta successu in u 16u, novembre 20 ...
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  • China International Import Expo-WRD

    Nov. 5 - Nov. 10 hè una settimana tremenda per Shanghai, è di i nostri WRD hè dinù una settimana assai àrburu. A China International Import Expo, c'avia da u Ministeru di Commerce di Republic l 'Arcusgi l'di China è Government u People Municipal l'Shanghai, prova à dìllu, ...
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  • China International Import Expo

    On November 5, 2018, in risposta à a chjama di mprinnituri XI Jinping, a nostra squadra WRD ncigneri n'andò attivamenti à Shanghai National Center exposition à assiste u prima China International Import Expo. A nostra sucetà WRD, chì pruduce u più HF saldò linia mulinu tube, galvanizing linia mulinu tube, SSAW tubu Mi ...
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  • Cutidianu EXPORT WRD'S - LA MACHINE STRAIGHTENING PIPE tutta TO THE BELT AND terrace, paese,

    In risposta à a chjama di "l 'Belt è Road", avemu olive bè è tecnulugia à sti paesi. Recently noi hà compiu a produzzione, pirmittennu quality, commissioning di straightening machine à pipa, e tutta successu in u 29th, October 2018. machine à pipa Straightening hè usato m ...
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  • Poni i ghjorni l'WRD - la linia galvanizing calda abbagnatu tutta a casa di Just è Road

    A rispunniri a la chiamata di lu "Belt è Road", avemu olive bè è tecnulugia à sti paesi. Recently noi hà compiu a produzzione, pirmittennu quality, commissioning di 2 «-6" pipa azzaru hot-abbagnatu galvanizing line, è tutta successu in u 22th, October 2018. Hot-switch galvanizing I ...
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