Copyright © Zhengzhou H aui Nakhon Papol - Litokelo tsohle li sirelelitsoe
Tlhaloso ea Astm A320 e amohetsoe qalong, e amohetsoe ka 1948, e koahele lisebelisoa tse nang le tšepe bakeng sa ts'ebeletso e tlase ea mocheso.
Likhoele tsa eona li ka phahama bolelele bohle ba molamu. A193 G3 B7 li-bolts li etsoa ho fihlela litlhaloso tse ngata le thepa ea thepa ea lintho tse bonahalang. Astm A193 B7 e etsoa ka seboping sa motlakase sa motlakase, se lahlehetsoeng ka thata, ebe mocheso o phekoloa o se a fetotsoeng o bile oa silafatsoa o se a fetotsoe a bile a silafatsoa. E tloaelehile ho etsa li-bolts, li-fasteners, hex bolts le hex indastering ea petrochemical. Re e 'ngoe ea baetsi ba lihlahisoa tsa Asm A193 Gradek ea GROCT ea BGE B7 INCKET CASTM le lihlahisoa tsa rona li tsebahala ka boleng ba tsona. Re sebelisa lisebelisoa tsa boleng bo phahameng ka ho fetisisa molemong oa rona oa ho etsa letho.