IS 649 : 1997 Methods for testing steel sheets for magnetic circuits of power electrical apparatus

1 Scope

1.1 This standard prescribes methods of test for determining therequirements of magnetic steel sheets and strips used for theconstruction of magnetic circuits of power electrical apparatus.

1.2 It covers the methods for the measurement of magnetic,electrical and physical properties and insulation coating test ofmagnetic steel sheets and strips.

2 References

IS 648 :1994Non-oriented electrical steel sheets and stripsfor magnetic circuits

IS 3024 :1996Grain oriented electrical steel sheets andstrip

IS 13795 : Part 1 :1993 Glossary of terms relating to specialalloys:Part 1 Magneic materials