IS 649-1963
Test methods for steel plates used in magnetic circuits of electrical appliances

Standard No.

IS 649-1963

Release Date

1964

Published By

IN-BIS

Latest

IS 649-1963

Scope

1.1 This standard prescribes methods of tests for determining the following requirements of steel sheets used for magnetic circuits of power electrical apparatus: a) Specific core loss, b) Permeability, c) Stacking factor, d) Brittleness, e) Ageing, and f) Insulation resistance. 1.1.1 It does not cover dimensional and material requirements of steel sheets for which reference may be made to IS : 648-1962 Specification for Steel Sheets for Magnetic Circuits of Power Electrical Apparatus ( Nonoriented Steel) (Revised).

IS 649-1963 history

• 1964 IS 649-1963 Test methods for steel plates used in magnetic circuits of electrical appliances