标准号:IS 3024-1965
发布日期:1965/4/1 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 oriented magnetic steel sheet and strip primarily intended for machines and transformersoperating at power frequencies and applies to material which shall be supplied in one nominal thickness only and in four grades.1.1.1 The material shall be coated on both sides with a suitable insula-tion capable of withstanding stress-relief annealing specified in 8.1.