hat
Cho-fini Tube pa bezwen dwe chalè trete, frèt-fini ap resevwa yon rkwir subcritical, se yon rkwir plen, oswa yon tretman chalè nòmalizasyon apre final pwosesis frèt-fini.
eng
Hot-finished Tube need not be heat treated, cold-finished shall be given a subcritical anneal,a full anneal,or a normalizing heat treatment after final cold-finishing process.