Bututun ƙarfe mara sumul don tsari (GB/T8162-2008) ana amfani da shi don tsari na gaba ɗaya da tsarin injiniya na bututun ƙarfe mara tsari.
Ana amfani da shi don ƙera bututun ƙarfe marasa sumul don bututu, tasoshin ruwa, kayan aiki, kayan aiki da tsarin injiniya
Gine-gine: tsarin zauren, titin teku, tsarin filin jirgin sama, tashar jiragen ruwa, firam ɗin ƙofar tsaro, ƙofar gareji, ƙofofin ƙarfe da tagogi masu ƙarfi, bangon rabuwa na cikin gida, tsarin gadar kebul da masu tsaron hanya, shinge, ado, bututun gidaje, kayan ado
Sassan motoci: kera motoci da bas, kayan aikin sufuri
Noma: Kayan aikin noma
Masana'antu: Injina, Tallafin hasken rana, filin mai na teku, kayan aikin haƙar ma'adinai, kayan aikin injiniya da na lantarki, Injiniya, hakar ma'adinai, nauyi da albarkatu, tsari Injiniya, sarrafa kayan aiki, sassan injina
Sufuri: shingen masu tafiya a ƙasa, shingen tsaro, gine-gine murabba'i, alamun shafi, kayan aikin hanya, shinge
Ajiyar kayan aiki: shelves na babban kanti, kayan daki, kayan makaranta
Babban sa na bututun ƙarfe
Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B
Girman bututun ƙarfe mara sumul da karkacewar da aka yarda da ita
| Matakin karkacewa | Bambancin da aka yarda da shi na diamita na waje da aka daidaita |
| D1 | ± 1.5%, 最小±0.75 mm |
| D2 | Ƙari ko ƙasa da 1.0%. Mafi ƙarancin + / – 0.50 mm |
| D3 | Ƙari ko ƙasa da 1.0%. Mafi ƙarancin + / – 0.50 mm |
| D4 | Ƙari ko ƙasa da 0.50%. Mafi ƙarancin + / – 0.10 mm |
Bututun ƙarfe na carbon (GB/8162-2008)
Wannan nau'in bututun ƙarfe mai tsari galibi ana narkar da shi ta hanyar mai juyawa ko murhu mai buɗewa, babban kayansa shine ƙarfe mai narkewa da ƙarfe mai tarkace, yawan sinadarin sulfur da phosphorus a cikin ƙarfe ya fi na bututun ƙarfe mai inganci, gabaɗaya sulfur ≤0.050%, phosphorus ≤0.045%. Yawan abubuwan da ke cikin sauran abubuwan haɗin ƙarfe, kamar chromium, nickel da jan ƙarfe, waɗanda kayan aiki suka kawo cikin ƙarfe gabaɗaya bai wuce 0.30% ba. Dangane da buƙatun abun da ke ciki da aiki, ƙimar wannan nau'in bututun ƙarfe mai tsari yana nuna ta hanyar matakin ƙarfe na Q195, Q215A, B, Q235A, B, C, D, Q255A, B, Q275 da sauransu.
Lura: "Q" shine haruffan Sinanci na "qu" na yawan amfanin ƙasa, sai kuma ƙimar mafi ƙarancin yawan amfanin ƙasa (σ S) na matakin, sai kuma alamar bisa ga abubuwan da ke cikin ƙazanta (sulfur, phosphorus) daga sama zuwa ƙasa tare da canje-canje a cikin abubuwan carbon da manganese, waɗanda aka rarraba zuwa maki huɗu A, B, C, D.
Wannan nau'in bututun ƙarfe na tsari shine mafi girma, amfani yana da faɗi sosai, an naɗe shi cikin faranti, bayanin martaba (zagaye, murabba'i, lebur, aiki, rami, kusurwa, da sauransu) da kuma bututun ƙarfe na walda da kera su. Ana amfani da shi galibi a cikin bita, gadoji, jiragen ruwa da sauran gine-gine da bututun jigilar ruwa na gabaɗaya. Ana amfani da wannan nau'in ƙarfe kai tsaye ba tare da maganin zafi ba.
Bututun ƙarfe mai ƙarfi da ƙarancin ƙarfe mai ƙarfi (GB/T8162-2008)
Baya ga wani adadin silicon ko manganese, bututun ƙarfe suna ɗauke da wasu abubuwa da suka dace da albarkatun ƙasar Sin. Kamar vanadium (V), niobium (Nb), titanium (Ti), aluminum (Al), molybdenum (Mo), nitrogen (N), da abubuwan da ba a saba gani ba na ƙasa (RE). Dangane da abubuwan da ke cikin sinadarai da buƙatun aiki, ƙimar sa tana wakiltar Q295A, B, Q345A, B, C, D, E, Q390A, B, C, D, E, Q420A, B, C, D, E, Q460C, D, E da sauran matakan ƙarfe, kuma ma'anarsa iri ɗaya ce da bututun ƙarfe mai tsarin carbon.
Baya ga ƙarfe na aji A da B, ƙarfe na aji C, GRADE D da Grade E ya kamata su ƙunshi aƙalla ɗaya daga cikin abubuwan da aka gyara na hatsi kamar V, Nb, Ti da Al. Domin inganta aikin ƙarfe, ana iya ƙara ƙarfe na aji A da B a cikin ɗaya daga cikinsu. Bugu da ƙari, ragowar abubuwan da ke cikin Cr, Ni da Cu bai wuce 0.30% ba. Q345A, B, C, D, E sune ma'aunin wakilci na wannan nau'in ƙarfe, daga cikinsu ana kiran ƙarfe na aji A da B 16Mn; Ya kamata a ƙara abubuwa fiye da ɗaya na alama zuwa bututun ƙarfe na aji C da sama da shi, kuma a ƙara wani abu mai tasiri mai ƙarancin zafi a cikin kayan aikin injiniyansa.
Rabon wannan nau'in bututun ƙarfe mai tsari da ƙarfe mai tsarin carbon. Yana da fa'idodin ƙarfi mai girma, kyakkyawan aiki mai cikakken iko, tsawon rai na sabis, faɗin amfani da kuma tattalin arziƙin kwatantawa. Ana amfani da shi sosai a cikin gadoji, jiragen ruwa, tukunyar ruwa, ababen hawa da muhimman gine-gine.
Lokacin Saƙo: Yuni-07-2022
