This standard ( Part I ) covers the general requirements for the following types of boiler tubes and superheater tubes:
a) Gold drawn seamless ( CDS ),
b) Hot-finished seamless ( HFS ),
c) Electric resistance and induction welded ( ERW ), and
d) Cold drawn electric resistance and'induction welded (CEW).
IS 1914 Pt.1-1982 history
1979IS 1914 Pt.1-1982 General and safety requirements for lamps Part Ⅰ Tubular fluorescent lamps