Cold drawn seamless simbi pombi kupera mamirirozviri sezvinotevera:

Kutonhora kwapera (zvakaoma)
BK (+C)
Machubhu haaitirwe kurapwa kwekupisa zvichitevera kutonhora kwekupedzisira kuumbwa uye, nekudaro, kune yakanyanya kupikisa deformation

Kutonhora kwapera (Kupfava)
BKW (+LC)
Iyo yekupedzisira kupisa kurapwa inoteverwa neinotonhora kudhirowa kunosanganisira kushoma deformation.Kuenderera mberi kwakakodzera kugadzirisa kunobvumira imwe dhigirii yekutonhora kuumba (semuenzaniso kukotama, kuwedzera)

Kutonhora kwapera uye kushushikana-kubvisa
BKS (+SR)

Annealed
GBK (+A)
Iyo yekupedzisira Cold kuumba maitiro inoteverwa neannealing mumhepo inodzorwa.

Normalized
NBK(+N)
Iyo yekupedzisira inotonhora kuumba maitiro inoteverwa neannealing pamusoro peiyo yepamusoro shanduko nzvimbo munzvimbo inodzorwa.