ASTM A182 F12 F12 Bar Flat waa qeyb jilicsan oo jilicsan oo leh cidhifyada laba jibaaran ee cabbirrada kaladuwan. Waxay ku habboon tahay codsiyo kala duwan, oo lagu qaybiyo injineernimada, dhismaha, waxsoosaarka, waxsoosaarka, macdanta, koridka khafiifka ah iyo warshadaha kale ee badan.