1.Ra'ayi
Ƙaƙwalwar ɗaki mai ɗari shida na waje kayan ƙarfe ne, wanda kuma aka sani da dunƙule hexagonal na waje, dunƙule hexagonal na waje ko na waje.

2. Maganin saman
A cikin tsarin masana'anta na kusoshi, jiyya na saman yana ɗaya daga cikin hanyoyin haɗin da ba makawa. Zai iya sa saman murfin ya cika wasu buƙatu kuma ya inganta juriya na lalata, ƙarfi da ƙawa.
Akwai nau'o'in hanyoyin magani na sama don kusoshi, na gama gari sune kamar haka:
Galvanizing: Ana nutsar da kusoshi a cikin wani bayani na zinc, kuma ana lulluɓe zinc ɗin a saman Layer na kusoshi ta Layer ta hanyar halayen lantarki, yana mai da su tsatsa da juriya.
Hot- tsoma galvanizing: Bayan an ƙera bolts, ana nutsar da su a cikin ruwa na zinc da aka narkar da su, kuma ana yin wani Layer na zinc a saman ta hanyar sinadarai don cimma nasarar tsatsa, juriya da sauran tasiri.
Maganin baƙar fata: An samar da fim ɗin baƙin ƙarfe oxide a saman murfin ta hanyar sinadarai don inganta juriya na lalata.
Maganin phosphating: Jiƙa ƙulli a cikin maganin phosphating don samar da fim ɗin phosphating akan saman don inganta juriyar lalata.
Jiyya mai taurin kai: Ta hanyar maganin zafi ko feshin ƙasa, an samar da rufin rufi tare da taurin mafi girma a saman kullin don inganta ƙarfinsa da juriya.
Abubuwan da ke sama sune na gama gari hanyoyin jiyya na saman. Hanyoyin jiyya daban-daban sun dace da yanayin aikace-aikacen daban-daban da buƙatun. Lokacin yin jiyya ta saman bolt, dole ne a aiwatar da shi daidai da daidaitattun ma'auni da ƙayyadaddun bayanai don tabbatar da cewa kusoshi da aka yi wa magani sun cika buƙatun aiki masu dacewa.

3. Matsayin aiki
Alamar darajar aiki na kusoshi hexagonal na waje ya ƙunshi sassa biyu na lambobi, waɗanda bi da bi suna wakiltar ƙimar ƙarfin juzu'i na ƙima da ƙimar ƙarfin abin da ake samu.
Misali, kusoshi tare da matakin aiki 4.6 yana nufin:
a. Ƙarfin ƙarancin ƙima na kayan ƙwanƙwasa ya kai 400MPa;
b. Matsakaicin ƙarfi-ƙarfin kayan ƙwanƙwasa shine 0.6;
c. Ƙarfin yawan amfanin ƙasa na abin rufewa ya kai matakin 400 × 0.6 = 240MPa
Aiki matakin 10.9 high-ƙarfin kusoshi, bayan zafi magani, na iya cimma:
a. Ƙarfin ƙarancin ƙima na kayan ƙwanƙwasa ya kai 1000MPa;
b. Ƙarfin yawan amfanin ƙasa na abin rufewa ya kai 1000 × 0.9=900MPa.

4. Bambanci tsakanin talakawa hexagonal kusoshi na waje da babban ƙarfi na waje hexagonal kusoshi.
Za'a iya sake amfani da kusoshi na yau da kullun na hexagonal, amma ba za a iya sake amfani da kusoshi masu ƙarfi ba.
Ƙarfin ƙarfi mai ƙarfi gabaɗaya ana yin su ne da ƙarfe mai ƙarfi No. 45 karfe (8.8s), 20MmTiB (10.9S), kuma an riga an saita kusoshi. Don nau'ikan juzu'i, yi amfani da maƙarƙashiya mai ƙarfi don amfani da ƙayyadadden prestress, kuma don nau'ikan masu ɗaukar matsi, cire kan torx ɗin. Na yau da kullun ana yin su ne da ƙarfe na yau da kullun (Q235) kuma kawai suna buƙatar ƙarfafawa.
Makullin na yau da kullun sune maki 4.4, aji 4.8, aji 5.6 da digiri 8.8. Ƙarfin ƙarfi mai ƙarfi gabaɗaya shine 8.8 da kuma 10.9, tare da aji 10.9 shine mafi yawan gama gari.
Ramin dunƙule na kusoshi na yau da kullun ba dole ba ne ya fi na manyan kusoshi girma. A gaskiya ma, ramukan aron kusa na yau da kullun ba su da yawa.