IS 2917 : 1981 Specification for Umbrella Ribs

1 Scope

1.1 This standard covers the requirements for finished umbrellaribs, both main and stretcher.

2 References

IS 2 : 1960 Rules for rounding offnumerical values

IS 150 : 1950 Specification for ready mixed paint, brushing, finishing,stoving, enamel, colour as required

IS 1068 : 1968 Specification for electroplated coatings of nickel andchromium on iron and steel

IS 4223 : 1975 Specification for steel wire for umbrella ribs