If the the whole sword, blade and grip, is forged from a single piece of smelt,
\(n=512\)
\(l_s=0.795\,m\)
and the number of folds the smelt is subjected to,
\(n_b=9\)
If you are on the right path, the smelt first seems sticky and will stick to the hammer as you rise the hammer for the next strike to elongate the smelt.