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Induction Heating Installations

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Product Name: GR Series Heat Treatment OCTG Automation Process Line

Release Date: 2014-08-07

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Description: The induction through-heating and heat-treatment process lines developed by our company, are mainly used for the through-heating of billets before their hot forming (e.g. forging, extruding and rolling etc.)

Product Details


    The induction through-heating and heat-treatment process lines developed by our company, are mainly used for the through-heating of billets before their hot forming (e.g. forging, extruding and rolling etc.) and the heat treatment of workpieces (e.g. hardening, tempering and annealing etc.), and are of the advantages of high efficiency, energy-saving, environment protection and stable product quality, compared with fuel heating and resistance heating.
    Based on the available induction heating technologies and installations, we have successfully developed non-standard DX-600kW/GW-1 “Induction heat treatment installation for the alloy steel wheel of high speed train”, for the 863 state project “Research and development on the alloy steel wheel of high speed train” undertaken by the Maanshan Iron & Steel Co., Ltd. At present, our company is advancing the development of the induction heat treatment technologies and equipment for large and abnormal-shape forgings and castings in order to find idea solutions for their special heat treatment problems.
    The main customized installations made by our company for users at home and abroad are: 4 GR series OCTG(Oil Country Tubular Goods) induction heat treatment automatic process lines for Jiangsu Fanli Steel Pipe Co., Ltd., Wuxi Seamless Oil Pipe Co., Ltd. and Liaoyang Seamless Oil Pipe Co., Ltd.; the induction quenching and tempering automatic process lines for Φ139.7mm steel pipes and the installations for heating and thickening the end of API petroleum pipe and for heating and boring steel rod, for the Daqing Yilang Site OCTG Co.,Ltd.; the induction heating system for the 36MN extruding production line of 400 series stainless steel, for the Changshu Walsin Metal Industrial Products Co., Ltd.; the heat treatment technologies and equipment for the above-mentioned Ma Steel’s high speed alloy steel wheel; 2 induction quenching and tempering lines for round steel, for the New Metallurgy High Tech Group Co., Ltd. of the Beijing Iron & Steel Research Institute; the PC steel rod heat treatment production line for Indonesia.
    In our induction heating systems, two color infrared thermodetector is adopted for monitoring workpiece temperature and power can be automatically regulated in the form of closed-loop control model, and then the workpiece temperature may be controlled within technological tolerance.
For OCTG heat-treatment, MF induction heating has following advantages, compared with traditionary gas heating and oil heating:
1. Rapid and convenient starting and stopping, lining with small heat capacity,  immediate operation after start;
2. Quick heating: induction heating using electromagnetic induction effects generates eddy current inside workpiece, direct and fast heating within 2-3 minutes, while gas and oil heating heats workpieces from outside through conduction and radiation, very slow in more than 1 hour ;
3. Easy to control temperature and better temperature uniformity of heated workpiece, smaller core-surface temperature difference in the cross-section and smaller longitudinal temperature difference ;
4. Higher heating efficiency, less heat loss, lower energy consumption;
5. Better surface quality, lower cost, scale losses ≥ 2% for gas heating but ≤0.2% for induction heating
6. Stable quality and less deformation, tinier grain, fine carbide particles evenly distributed in sorbite, improve the corrosion resistance and toughness, consistent performance in the vertical and horizontal directions;
7. Environment protection, no harmful gas emission, quiet and clean working environment for induction heating; but a lot of CO2 emission, strong heat radiation and hard work for gas heating.
Copyright:Suzhou Zhenwu (Zhenhu) Electric Furnace Co., Ltd., Web:www.jiweipuercha.com E-mail:info@jiweipuercha.com苏ICP备14031556号-1
Tel:+86-512-65255563 65647678 65643747 65642698 65647698 Fax:+86-512-65654181(Sale) 65642698(after-sales) 65647798(Spare parts)
The free service hotline: 400-035-9990(Sale) 400-053-9990(after-sales)  Zip code:215104
Address: Suzhou Wuzhong Economic Development Zone Industrial Park of Guandu Wang Shan North Road No. 11
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