IS 648-1980

标准号：IS 648-1980
发布日期：1980/4/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard covers the requirements for non-oriented uninsulated hot rolled, cold rolled, silicon and silicon free fully processed/semiproccssed electrical steel sheet and strip primarily intended for static and rotating machines operating at power frequencies.1.2 Steel sheets/strips shall be supplied coated with suitable insulation if agreed to between the purchaser and the manufacturer. The requirements and the quality of the insulation shall also be agreed upon at the time of enquiry and order.1.3 If required and agreed to between the purchaser and the manufacturer the typical physical and mechanical properties of the steel sheets/ strips shall be supplied by the manufacturer to the purchaser.