The 90° bend allowance according to IS 2502-1963 for 6 mm diamete

SOLUTION

Concept:

Bends and Hooks Forming End Anchorages ( As per IS 2502:1963 )

Here

k = 2 for Mild Steel

k = 3 for Medium Tensile Steel

k = 4 for Cold-worked Steel

As per IS 2502:1963, P-6, Table-II

H = Hook allowance taken as 9d, 11d, 13d, and 17d for k values 2, 3, 4 and 6 respectively and rounded off to the nearest 5 mm, but not less than 75 mm.

B = Bend allowance is taken as 5d, 5.5d, 6d, and 7d for k values 2, 3, 4 and 6 respectively and rounded off to the nearest 5 mm, but not less than 75 mm.

Calculation:

Here K value is 2, as the type of steel is mild steel.

Bend allowance = 5 x 6 = 30 mm

But it is less than 75 mm. So provide 75 mm bend allowance.