IS 452 : 1973 Specification for door springs, rat-tail type
UDC 683.372.4 | CED 15 |
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Reaffirmed 2021 |
1 Scope
1.1 This standard lays down the requirements for materials,dimensions, manufacture, finish and tests for door springs,rat-tail type commonly used in building construction.
2 References
IS 2 :1960 Rules for rounding offnumerical values (revised).
IS 226 : 1969Specification for structural steel (standard quality)
IS 292 : 1961Specification for brass ingots and castings
IS 319 : 1968Specification for free cutting brass rods and sections
IS 410 : 1967Specification for rolled brass plate, sheet, strip andfoil
IS 1079 : 1968Specification for hot rolled carbon steel sheet and strip
IS 1385 : 1968Specification for phosphor bronze rods and bars, sheetand strip, and wire
IS 2998 : 1965Specification for cold forged steel rivets for coldclosing
IS 4454 : 1967 Specification for steel wires forcold formed springs