Matsi na Jirgin Ruwa Faranti Karfe da ake amfani da su wajen kera tukunyar jirgi mai tururi, tasoshin matsa lamba da sauran sassan tsarin tasoshin matsin lamba.Domin irin wannan nau'in farantin karfe yana ɗauke da wasu matsa lamba na iska da ruwa, da kuma yanayin amfani da yanayin zafi daban-daban, irin su high, matsakaici da ƙananan zafin jiki, da dai sauransu, abubuwan da ake bukata na irin wannan farantin karfe suna da tsauri.
Gabatarwar samfur gyara watsa shirye-shirye
(1) Ma'anar: Baya ga buƙatar wani ƙarfi da ƙarfi, kayan kuma ana buƙatar su zama iri ɗaya, kuma lahani masu cutarwa suna da iyaka.
(2) Nau'o'i: Dangane da rabe-raben abubuwan da aka gyara, ana iya raba shi zuwa nau'i biyu: farantin karfe na carbon da faranti na gami;bisa ga rarrabuwa na ƙarfi, ana iya raba shi zuwa manyan faranti na ƙarfe, matsakaici da ƙananan matsa lamba;Karfe farantin karfe.
Matsakaicin farantin jirgin ruwa gabaɗaya yana cikin kewayon 5 zuwa 200mm, kuma an raba lokacin zuwa ƙayyadaddun kauri da yawa.Ƙididdiga na ƙasa suna lissafin shawarar girman takarda da sabawa da aka yarda.Ingantattun bayyanar (1) Siffar farantin karfe: kamar camber, flatness, dama kusurwa, da dai sauransu. guguwar baƙin ƙarfe oxide sikelin, da dai sauransu Domin aminci dalilai, matsa lamba jirgin ruwa faranti karfe faranti suna da tsananin bukatu a kan surface da ciki lahani.Ba a yarda da lahani na sama gabaɗaya.Koyaya, ana ba da izinin cire hanyoyin da suka dace, kuma wurin cirewa ya kamata ya zama lebur.Kaurinsa kada ya wuce bambancin da aka halatta a cikin kauri na farantin karfe.Har ila yau, ba a ba da izinin shiga tsakani ba.Fihirisar abun da ke tattare da sinadaran:
① Carbon karfe farantin: yafi gane abun ciki na carbon, silicon, manganese, phosphorus da sulfur.Wasu karafa na carbon kuma sun ƙunshi takamaiman adadin jan ƙarfe, chromium, nickel, molybdenum, vanadium da sauran abubuwa.Daga cikin su, carbon shine babban mahimmanci don ƙayyade ƙarfin ƙarfe na ƙarfe, wato, ƙarfin ƙarfe na ƙarfe yana ƙaruwa tare da karuwar abun ciki na carbon.Abubuwan da ke cikin carbon na farantin karfe yana tsakanin 0.16 da 0.33%.Manganese da silicon kuma suna da tasirin inganta kayan aiki da haɓaka ƙarfi.Siliki: 0.10 ~ 0.55%, Manganese: 0.4 ~ 1.6%.Wasu ka'idoji ba sa buƙatar silicon da manganese don faranti na tukunyar jirgi na yau da kullun, kuma jan ƙarfe yana ƙasa da 0.30%.Sauran matakan kamar Japan da Rasha ba su da buƙatun abun ciki na tagulla.Wasu karafa masu inganci sun ƙunshi chromium (a ƙasa 0.25%), nickel (ƙasa da 0.30%), molybdenum (ƙasa da 0.10%), da vanadium (a ƙasa 0.03%).Abubuwan da ke tattare da sinadarai na farantin karfe na tukunyar jirgi na maki daban-daban an nuna su a cikin ka'idodin samfurin da aka bayar a cikin Tebura 6-7-3.
② Low alloy karfe farantin: Baya ga abubuwan da ke cikin carbon karfe, akwai kuma wani adadin molybdenum, chromium, nickel, vanadium, da dai sauransu. Akwai da yawa karfe maki na low alloy karfe, daga cikin abin da aka fi amfani da matsayin. kamar haka: 1/2 Mo, 1/2Mo-B karfe: ASTM A204, JIS G3107;Mn-1/2Mo1/2Mo, Mn-1/2Mo-V, Mn -1/2Mo-1/4Ni, Mn1/2Mo-1/2N da karfe: ASTM A302, A533, JIS G3119, G3120;1Cr-1/2Mo, 11/4Cr-1/2Mo, 21/2Cr-1Mo, 3C r-1Mo, 5Cr-1/2Mo, 7Cr-1/2Mo, 9Cr-1Mo: JISG4109, ASTM A387, A533, DIN1715
③ Ƙarfe mai ƙarfi mai ƙarfi da zafin jiki: duba ASTM A517, A537, A724, A734, JISG3115.
④ Low zafin jiki karfe: ciki har da carbon karfe da gami karfe.Chemical abun da ke ciki da inji Properties za a iya samu a ASTMA612, A 662, A735, A736, A738, A203, A645, JIS G3126.
⑤ Bakin Karfe: koma zuwa JIS G4304, ASTM A240, AISI13, ΓOCT5632.
Lokacin aikawa: Agusta-15-2022