Ma'anar:ƙananan zafin jiki bututu karfematsakaici necarbon tsarin karfe. Bututun ƙarfe na sanyi da zafi da ƙananan zafin jiki suna da kyakkyawan aiki, kyawawan kayan aikin injiniya, ƙarancin farashi da tushe mai faɗi, don haka ana amfani da su sosai. Babban rauni shi ne cewa ba za a yi amfani da kayan aiki tare da ƙarancin ƙarfi, girman sashe da manyan buƙatun ba.
Theƙananan zafin jiki mara ƙarfi bututuiya aiki a cikin musamman sanyi yanayi na - 45 ~ - 110 ℃. Babban fa'idar bututun ƙarfe mara ƙarancin zafin jiki shine cewa yana iya aiki a cikin ƙarancin yanayi, wanda ba zai iya kwatantawa da bututun ƙarfe na yau da kullun ba. The low-zazzabi sumul karfe bututu yana da kyau ƙarfi da kuma low-zazzabi taurin, da aka yadu amfani a cikin masana'antu na low-zazzabi kayan aiki a cikin man fetur, sinadaran, taki da sauran masana'antu tare da aiki zafin jiki na - 45 ~ - 110 ℃. Tare da haɓaka masana'antu masu dacewa, abubuwan da ake buƙata don kayan ba kawai iyakance ga buƙatun asali kamar kayan aikin injiniya da kayan walda ba, har ma da buƙatun don juriya na lalata H2S na bututu masu zafi.
Bututun ƙarfe mara ƙarancin zafin jikiya dace da injiniyan bututun mai a cikin ƙananan yanayin zafi. Akwai matakai guda biyu: zane mai sanyi da mirgina mai zafi. Daga hangen nesa na ƙirar ƙarfe, ƙirar ƙarfe, mirgina, kula da zafi da sauran matakai na bututun ƙarfe mara ƙarancin zafin jiki ya kamata a kula da su sosai don tabbatar da cewa bututun ƙarfe mara ƙarancin zafi yana da ƙarfi mai ƙarfi, ƙarfi da juriya na lalata. Don buƙatun fasaha na bututun ƙarfe mara ƙarancin zafin jiki, ƙungiyar samarwa da farashin samar da bututun ƙarfe ya kamata a yi la'akari sosai. Abubuwan da aka tsara na bututun ƙarfe mara nauyi mara nauyi yana buƙatar tabbatar da cewa samfurin yana da ƙarfin da ya dace, ƙarancin zafin jiki mai ƙarfi, da tsarin kula da zafi mai dacewa Kyakkyawan weldability da juriya ga fashewar hydrogen.
Matsayin zartarwa na bututu mara nauyi mara nauyiASTM A333- Bututun Karfe mara sumul kuma Welded don Sabis mai ƙarancin zafin jiki
Material na ƙananan zafin jikibututu mara nauyikayayyakin: 16Mn, 10MnDG, 09DG, 09Mn2VDG, 06Ni3MoDG, da dai sauransu.
Lokacin aikawa: Janairu-30-2023
