Bututun ƙarfe mara ƙarfi yana da ɓangaren giciye kuma ana amfani dashi da yawa azaman bututun jigilar ruwa, kamar bututun jigilar mai, iskar gas, gas, ruwa da wasu ƙaƙƙarfan kayan aiki.Karfe bututu da zagaye karfe da sauran m karfe, idan aka kwatanta da guda lankwasawa da torsion ƙarfi, m nauyi, wani tattalin arziki giciye-section karfe, yadu amfani da yi na tsarin da inji sassa, kamar man hako sanduna, mota drive shafts. , Keke Frames da kuma gina karfe scaffolding amfani a yi na karfe bututu zobe sassa, na iya inganta kayan amfani, sauƙaƙa da masana'antu tsari, ajiye kayan da kuma aiki lokaci, An yadu amfani da su tsirar karfe bututu.
Kayan aikin injiniya
Karfe inji Properties ne don tabbatar da cewa karfe karshen-amfani Properties (kayan inji) na muhimman Manuniya, ya dogara da sinadaran abun da ke ciki na karfe da kuma zafi magani tsarin.A cikin ma'auni na bututun ƙarfe, bisa ga buƙatun amfani daban-daban, ƙayyade ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi (ƙarfin ƙarfi, ƙarfin samar da ƙarfi ko ma'aunin yawan amfanin ƙasa, elongation) da taurin, alamun ƙarfi, akwai buƙatun mai amfani na babban aiki da ƙarancin zafin jiki, da sauransu.
① Ƙarfin ƙarfi (σb)
Samfuran da ke cikin tashin hankali, matsakaicin ƙarfin (Fb) yana jurewa a lokacin ja, rarraba ta hanyar damuwa (σ) da aka samo daga asalin yanki na giciye (So) na samfurin, wanda aka sani da ƙarfin ƙarfi (σb), naúrar ita ce. N/mm2 (MPa).Yana wakiltar iyakar ƙarfin kayan ƙarfe don tsayayya da lalacewa a cikin tashin hankali.Tsarin lissafin shine
Inda: Fb - iyakar ƙarfin da samfurin ya ci gaba lokacin da aka ja shi, N (Newton);Don haka - asalin ɓangaren giciye na samfurin, mm2.
Matsayin Haɓakawa (σs)
Tare da abin da ya faru na yawan amfanin ƙasa na kayan ƙarfe, samfurin a cikin tsarin shimfidawa na ƙarfin ba ya karuwa (raguwar ci gaba) na iya ci gaba da haɓaka damuwa, wanda ake kira ma'anar yawan amfanin ƙasa.Idan faɗuwar ƙarfi ta faru, ya kamata a bambanta tsakanin manyan abubuwan da ake samu na sama da na ƙasa.Nau'in ma'aunin yawan amfanin ƙasa shine N/mm2 (MPa).
Matsakaicin yawan amfanin ƙasa (σsu): matsakaicin matsananciyar damuwa kafin samfurin ya haifar da faɗuwa da ƙarfi;Ƙarƙashin yawan amfanin ƙasa (σsl): ƙananan damuwa a cikin lokacin samar da kayayyaki lokacin da ba a la'akari da tasirin wucin gadi na farko ba.
Ƙididdigar ƙididdige ma'anar yawan amfanin ƙasa ita ce: dabara: Fs - ƙarfin yawan amfanin ƙasa (m) yayin aiwatar da jujjuyawar samfurin, N (Newton) Don haka - ainihin ɓangaren giciye na samfurin, mm2.
③ Tsawaitawa bayan hutu (σ)
A cikin gwaji mai ƙarfi, adadin karuwa a tsawon tsawon samfurin bayan an cire shi daga alamarsa zuwa tsawon alamar asali ana kiransa elongation.An bayyana shi azaman σ a cikin%.Ƙididdigar kamar: dabara: L1 - tsawon samfurin bayan cire alamarsa, mm;L0 – tsawon alamar asalin samfurin, mm.
④ Ƙimar raguwar juzu'i (ψ)
A cikin gwajin ƙwanƙwasa, matsakaicin raguwar yanki na yanki na samfurin a raguwar sa bayan an cire shi azaman kashi na asali na ɓangaren ɓangaren yanki ana kiransa ƙimar raguwar juzu'i.An bayyana shi azaman ψ a cikin %.Tsarin lissafin shine kamar haka
Inda: S0 - asalin yanki na yanki na samfurin, mm2;S1 – ƙaramin yanki na yanki a raguwa bayan an cire samfurin, mm2.
⑤ Hardness index
Ƙarfin kayan ƙarfe don tsayayya da shigar da abu mai wuya a cikin wani wuri, wanda ake kira hardness.Dangane da hanyar gwaji da iyakar aikace-aikacen, za a iya raba taurin zuwa Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, microhardness da babban zafin jiki.Don bututu ana amfani da su don samun Brinell, Rockwell, taurin Vickers uku.
Shandong Xinjie Metal Materials Co., Ltd. ne a karfe bututu kamfanin hadawa samar, aiki da kuma aiki, yafi tsunduma a: sumul karfe bututu (kauri-walled sumul karfe bututu, low da matsakaici matsa lamba tukunyar jirgi tube, gami karfe bututu, square lokacin bututu. , Babban matsa lamba tukunyar jirgi tube, mai fatattaka bututu, sinadaran taki bututu, musamman karfe bututu), bakin karfe (bakin karfe sumul bututu, bakin karfe welded bututu, bakin karfe farantin, shigo da bakin karfe bututu / farantin karfe, bakin karfe zagaye mashaya, bakin karfe square lokacin bututu), bakin karfe Profile (I-beam, kwana karfe, tashar karfe) da sauran kayayyakin.
Lokacin aikawa: Juni-01-2023