304 bakin karfe mai kauri-banga tube sassa don sarrafa girman hatsi a lokacin zafi jiyya ya zama dole, ingancinsa zafi-bi da 304 bakin karfe kauri-bango tube yana da matukar muhimmanci tasiri.

Anan ga yadda ake sarrafa girman girmansa Hanyar Takaitacciyar hanyar kamar haka.
(1) Zaɓi zafin zafi mai ma'ana
Dumama zafin jiki ne ma low, da tsari na forming austenitic 304 bakin karfe lokacin farin ciki-banga tube ne jinkirin, ba zai iya ko da cikakken kafa, zafi magani ba zai iya cimma bukatun. Zazzabi zafin jiki ya yi yawa, yana da sauƙi don samun hatsi na austenite. Sanadin lalacewar aiki. Ya kamata ya zama wani m zabi na dumama zafin jiki dabam dangane da dama al'amurran da sinadaran abun da ke ciki na 304 bakin karfe lokacin farin ciki-bango bututu, siffar da girman sassa, wani musamman bukatun, canje-canje a cikin giciye sashe da takamaiman bukatun fasaha.

(2) Ƙayyade lokaci mai ma'ana da mafi kyawun sassa na rufi don manufar zafi ta hanyarsa, da 304 austenitic bakin karfe abubuwan da suka dace daidai da bututu mai kauri.
Tsayawa lokacin yin la'akari da maki biyu yana da tsayi sosai ko kuma ya haifar da babban hatsi na austenite zai tsawaita tsarin samarwa, rage yawan aiki, maganin zafi ba shi da kyau don sarrafa tsarin da ya dace na asali na asali na asali yana rinjayar farantin karfe Saboda haka, girman hatsi high carbon kayan aiki steels, domin ya hana overheating da kuma ƙara karko, zabi wani karami mai siffar zobe divergence annealing kungiyar; ... domin high-mita dumama na crystal dauke da m dumama, da dumama zafin jiki ne babban lokaci ne takaice, don haka asali. kulob bayan zabar wani ya fi girma watsawa na lafiya lamellar pearlite ko quenching da tempering jiyya kungiyar. Zaɓi ainihin kyakkyawan hatsi 304 bakin karfe mai kauri mai kauri mai kauri don zafi da hankali na ƙaramin nau'in ƙarfe mai laushi, sabili da haka yanayin dumama gaba ɗaya na al'ada yana tabbatar da kyakkyawan ƙwayar austenite.