IS 6248 : 1979 Specification for Metal Rolling Shutters and Rolling Grills

1 Scope

1.1 This standard lays down the requirements regardingmaterials; fabrication and finish of metal rolling shutters androlling grills for normal use.

Note - Since the term `rolling shutters' is more commonly used,the reference in this standard is mainly to rolling shutters.However, since rolling shutters and rolling grills are similar indesign, construction and operation, all references to rollingshutters in this standard shall apply to rolling grills also. Aseparate clause dealing with the special features of rollinggrills, as different from rolling shutters, has also beenincorporated.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 210 :1970Specification for grey iron castings

IS 733 :1975Specification for wrought aluminium andaluminium alloy, bars, rods and sections (forgeneral engineering purposes)

IS 737 :1974Specification for wrought aluminium andaluminium alloys, sheet and strip (for generalengineering purposes)

IS 1161 :1968Specification for steel tubes for structuralpurposes

IS 2108 :1962Specification for blackheart malleable ironcastings

IS 4030 :1973Specification for cold-rolled carbon steel stripfor general engineering purposes

IS 4454 : Part I :1975 Specification for steel wires forcold-formedspringsPart I Patented and cold drawn steel wires -unalloyed

IS 5986 :1970 Specification for hot-rolled steelplates andflats for cold-forming and flanging operations