Aia ka huahana me:wiliwili, ʻāʻili ʻili liʻiliʻi, lima lima, pahu, nati.
Mea heleuma bolt:maʻamau 4.9 a me 8.8, 10.8, 12.9 kila kila a me A4-80 kila kila.
Ua galvanized ka ʻili:
ʻO ka mānoanoa o ka galvanized coating he ≥5 microns, a hoʻohana ʻia ia i loko o nā ʻano o loko a me waho;
ʻO ka mānoanoa o ka galvanized coating he> 50 microns, a hoʻohana ʻia i loko o ka corrosive environment;
Hiki ke hoʻonui ʻia ka mālama ʻana i ka ʻili e like me nā koi anti-corrosion, a hiki ke hoʻokō ʻia ka anti-corrosion treatment of sherardizing a i ʻole;
A4-80 kila kila no ka hoʻohana 'ia i loko o corrosive kaiapuni.