Carbon Steel Wire for Wood Screws (IS : 1673-1960)
 
Designation of Steel Grade Tensile strength N/mm2 C % Mn % S % Max P % Max Applications
C 10 - 460 0.17 0.30-0.65 0.055 0.055

For wood screws by cold heading process
C 15 - 460 0.22 0.30-0.65 0.055 0.055
10 S 11 - 460 0.17 0.60-0.95 0.08-0.15 0.055