... cold-rolled non-oriented silicon steelSpecificationPurpose is mainly manufacture all kinds of generators, motors, transformers, relays, transformer. Non-oriented silicon steel ... ± 0.01MMThree-point difference: 1200MM width tolerance of ± 0.01MMIV. Insulating ... , Wuhan Iron and Steel T4 coating, Nippon Steel L coating, coating A1 ... materials on the mechanical and electrical access to testing (SGS RoHS ...