Product description Ie4 high efficiency permanent magnet generator parts silicon steel aluminum die casting rotor 1. Grade: 50w60050w47050w40050w35050w310 2. Frame size: 80-355 3. Type: generator rotor core 4. Certification: iso9001, ce Material Cold rolled non-oriented silicon steel Supplier Wisco, bao steel , shougang group, tisco Standard Din gb iso jis Process Cutting - blanking - punching - stacking- welding / aluminum die-casting Capacity 10000 tons monthly Range Φ 100mm -- î¦ 590mm Stacked length Max 1100mm