Bututun ƙarfe mara ƙarfi don tsari (GB/T8162-2008) ana amfani dashi don tsarin gabaɗaya da tsarin injiniya na bututun ƙarfe mara nauyi.

Ana amfani da shi don kera bututun ƙarfe maras nauyi don bututu, tasoshin, kayan aiki, kayan aiki da tsarin injina

Gina: tsarin zauren, trestle na teku, tsarin filin jirgin sama, tashar jirgin ruwa, firam ɗin ƙofar aminci, ƙofar gareji, ƙarfafa rufin ƙarfe da windows, bangon bangare na cikin gida, tsarin gada na USB da masu gadin babbar hanya, dogo, ado, wurin zama, bututun ado

Sassan motoci: kera motoci da bas, kayan aikin sufuri

Noma: Kayan aikin noma

Masana'antu: Injiniya, Tallafin hasken rana, filin mai na teku, Kayan aikin hakar ma'adinai, kayan aikin injiniya da lantarki, Injiniya, hakar ma'adinai, nauyi da albarkatu, Injiniya tsari, sarrafa kayan, sassa na inji

Sufuri: dogo masu tafiya a ƙasa, titin gadi, tsarin murabba'i, sigina, kayan aikin hanya, shinge

Ma'ajiyar kayan aiki: manyan kantunan kanti, kayan daki, kayan makaranta

Babban darajar bututun ƙarfe

Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B

Girman bututun ƙarfe mara ƙarfi da karkatacciyar yarda

Carbon karfe tube (GB/8162-2008)

Irin wannan tsarin bututun ƙarfe gabaɗaya ana narke shi ta hanyar juyawa ko buɗaɗɗen murhu, babban kayansa shine narkakkar ƙarfe da ƙura, abun ciki na sulfur da phosphorus a cikin ƙarfe ya fi na bututun tsarin ƙarfe mai inganci, gabaɗaya sulfur ≤0.050 %, phosphorus ≤0.045%. Abubuwan da ke cikin sauran abubuwan haɗin gwiwa, irin su chromium, nickel da jan ƙarfe, waɗanda aka kawo cikin ƙarfe ta albarkatun ƙasa gabaɗaya baya wuce 0.30%. Bisa ga abun da ke ciki da kuma yi bukatun, sa na irin wannan tsarin karfe bututu aka nuna da karfe sa Q195, Q215A, B, Q235A, B, C, D, Q255A, B, Q275 da sauransu.

Lura: “Q” shine haruffan sautin wayar Sinanci na yawan amfanin ƙasa “qu”, sannan mafi ƙarancin ƙimar ƙimar (σ S) na maki, sannan alamar ta dogara da abubuwan ƙazanta (sulfur, phosphorus) abun ciki daga babba zuwa ƙasa. tare da canje-canje a cikin abubuwan carbon da manganese, an rarraba su zuwa maki huɗu A, B, C, D.

Irin wannan tsarin karfe bututu fitarwa ne mafi girma, da amfani ne sosai m, mafi birgima a cikin farantin, profile (zagaye, square, lebur, aiki, tsagi, Angle, da dai sauransu) da kuma profile da kuma masana'antu waldi karfe bututu. An fi amfani dashi a cikin bita, gada, jirgin ruwa da sauran gine-gine da bututun jigilar ruwa gabaɗaya. Ana amfani da irin wannan ƙarfe gabaɗaya kai tsaye ba tare da maganin zafi ba.

Low gami high ƙarfi tsarin karfe bututu (GB/T8162-2008)

Baya ga wani adadi na siliki ko manganese, bututun ƙarfe na kunshe da wasu abubuwan da suka dace da albarkatun kasar Sin. Kamar su vanadium (V), niobium (Nb), titanium (Ti), aluminum (Al), molybdenum (Mo), nitrogen (N), da rare earth (RE) abubuwan ganowa. Dangane da abun 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 karfe maki, da ma'anar shi ne iri daya da carbon tsarin karfe bututu.

Baya ga karfe A da B, daraja C, GRADE D da Grade E karfe yakamata ya ƙunshi aƙalla ɗaya daga cikin ingantaccen abubuwan gano hatsi kamar V, Nb, Ti da Al. Domin inganta aikin karfe, ana iya ƙara ƙarfe mai daraja A, B a ɗayansu. Bugu da kari, abubuwan da suka rage na Cr, Ni da Cu bai wuce 0.30% ba. Q345A, B, C, D, E sune wakilan maki na irin wannan nau'in karfe, daga cikinsu akwai A, B grade karfe 16Mn; Ya kamata a ƙara nau'in alama fiye da ɗaya zuwa matakin C da sama da bututun ƙarfe, kuma kadarorin tasirin ƙarancin zafin jiki ya kamata a ƙara zuwa kayan injin sa.

Rabo na irin wannan tsarin karfe bututu zuwa carbon tsarin karfe. Yana da abũbuwan amfãni daga babban ƙarfi, mai kyau m yi, dogon sabis rayuwa, fadi da aikace-aikace kewayon da kwatancen tattalin arziki. Ana amfani da shi sosai a cikin Gada, jiragen ruwa, tukunyar jirgi, motoci da mahimman gine-ginen gini.