Ƙunƙarar sanyi, mai sanyi ko sanyi da sanyi da aka zana hade da tsarin aikin sanyi don samar da kunshin bututu na kayan haɗin gwiwar kayan aiki.Ita ce bututun da aka yi birgima mai zafi ko sassan sarrafa zurfin bututu.

Dangane da kaddarorin sarrafawa na karfe, girman bututu, buƙatun inganci da saka hannun jari da fa'idodi don zaɓar hanyoyin sarrafawa daban-daban da matakan taimako masu dacewa.

Babban mataki na bututu mai sanyi shine:

(1) da man fetur wadata bututu, da bututu kayan amfani da zafi-birgima ƙãre tube ko Semi-tube, matsi tubes da welded bututu.

(2) bututu kayan shiri, ciki har da dubawa, bundling, acid wanka, tsaftacewa, wanka, da bushewa, shafi man shafawa.

(3) sanyi (sanyi-birgima ko sanyi-jawo)

(4) gama gama gama hada da zafi magani, mikewa, samfur, yanke kai da wutsiya, dubawa (duba da gwaji na daban-daban wucin gadi), hydrostatic gwajin, mai, marufi, warehousing da sauransu.Daban-daban abun ciki gama samfurin sun bambanta.

Features sanyi bututu niƙa samar da ake sa ran daga tube a cikin sarrafa cikin ƙãre kayayyakin yawanci bayan da dama sanyi nakasawa da kuma samar da aiki hardening, ta haka ne dukan samar da tsari shiri mataki da jam'i na nakasa tafiyar matakai da abun da ke ciki, kuma yana da halaye na cyclical sabili da haka more. mataki , dogon samar da sake zagayowar, babban karfe amfani, samar da yadda ya dace ne low, kullum ba manyan-sikelin samar.

Saita a chiller sanyi zana da sanyi-mirgina niƙa ne dace a yi wasa daban-daban abũbuwan amfãni, musamman ga samar da bakin karfe, high gami karfe tubes da wadanda ba Ferrous karfe bututu wuya maras kyau da kuma zama dole.Na'ura mai zane tana da guda ɗaya da nau'in injunan jawo madaidaiciya da extubation (duba reel extubation).Lokacin da bututun sanyi guda ɗaya ya zana tsayin 50m, 'yan mita ɗari sama da ƙari.Zane mafi ƙarancin ton 30kN, har zuwa 7000kN.Akwai nau'i biyu na mirgina na sanyi na al'ada na jujjuyawar sanyi na mirgina da sanyi nau'i biyu na multi-roll.