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rectangular cast steel permanent magnetic lifter Introduction for HC series rectangular cast steel permanent magneticlifter features: 1. Use high-performance permanent-magnet materials, Nd-Fe-B, as the core, which makes it be smaller and stronger. You never have to replace the core as its magnetic force is stable for ever. 2. It can bear 3.0 times of rated load. 3. This product is available for ferromagnetic sheet parts with mimimum thickness of 4mm,Steel plate up to 30 meters, the heaviest of up to 50 tons 4. No electric supply, which is energy-saving and convenient. 5. No need to move the switch by operator, sucking and release can be completed by machine. 6. Hardly any remanence remain with optimize-designed magnetism distribution. 7. Professional design for shape makes it more beautiful. * Application fields rectangular cast steel permanent magneticlifter widely used in molding and mechanism manufacturing, such as equipment factory, machining shop, and dockyard that related to steel material, in order to lift and transit mechanism parts and steels. single using for small parts or combine-using for big and long parts. Automatic permanent magnetic lifter can be applied for heavy sheet metal in boatyard, steel plant. For example, a 10-sets-lifter with a beam can carry a 24*2 M2 sheet metal which is more than ten tons.