IS 6477 : 1983 Dimensions for wrought aluminium and aluminium alloys, extruded hollow section

1 Scope

1.1 This standard covers the tolerances on width and widthacross flats, wall thickness, length, straightness, flatness, twistand angularity of extruded hollow sections and tubes, other thanround, of aluminium and aluminium alloys.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1285 :1975Specification for wrought aluminium andaluminium alloy, extruded round tube and hollowsections (for general engineering purposes)

IS 2673 :1979Dimensions for wrought aluminium and aluminiumalloys, extruded round tube

IS 5047 : Part 1 :1979 Glossary of terms relating to aluminiumandaluminium alloys : Part 1 Un-wrought and wroughtmetals