ASTM A513 ƙarfebututu ne da bututun ƙarfe na carbon da gami da aka yi da ƙarfe mai zafi ko na sanyi a matsayin kayan aiki ta hanyar aikin walda mai juriya (ERW), wanda ake amfani da shi sosai a cikin kowane nau'in tsarin injiniya.
Nau'i na 5a cikin ma'aunin ASTM A513 yana nufinAn zana a kan Mandrel (DOM)bututun ruwa.
Ana samar da bututun DOM ta hanyar ƙirƙirar bututun walda da farko sannan a sanyaya shi ta cikin mayafi da kuma saman mandrels don kammalawa zuwa ga daidaiton girma da kuma kammala saman da ya fi kyau idan aka kwatanta da sauran nau'ikan bututun walda.
Tsarin aiwatarwa: ASTM A513
Kayan Aiki: Karfe Mai Zafi ko Na'urar Sanyi
Nau'i:Nau'i na 1 (1a ko 1b), Nau'i na 2, Nau'i na 3, Nau'i na 4, Nau'i na 5, Nau'i na 6.
Daraja: MT 1010, MT 1015, 1006, 1008, 1009 da sauransu.
Maganin zafi: NA, SRA, N.
Girma da kauri na bango
Siffar sashe mai rami: Zagaye, murabba'i, ko wasu siffofi
Tsawon
Jimillar Adadi
An bambanta nau'ikan ASTM A513 bisa ga yanayi ko matakai daban-daban na bututun ƙarfe.
Nau'in bututun ASTM A513 mai zagaye nau'i 5 na gama gari sune:
1008, 1009, 1010, 1015, 1020, 1021, 1025, 1026, 1030, 1035, 1040, 1340, 1524, 4130, 4140.
Zagaye
Murabba'i ko murabba'i mai siffar murabba'i
Wasu siffofi
kamar su sassauƙa, hexagonal, octagonal, zagaye a ciki da hexagonal ko octagonal a waje, an yi su a ciki ko waje, siffofi masu siffar murabba'i, zagaye, da siffofi D.
Karfe mai zafi ko mai sanyi
Ana iya ƙera kayan da ake amfani da su wajen samar da ƙarfe mai zafi ko mai sanyi ta kowace hanya.
Karfe Mai Zafi: A tsarin samarwa, ana fara dumama ƙarfe mai zafi a yanayin zafi mai yawa, wanda ke ba da damar naɗe ƙarfen a cikin yanayin filastik, wanda ke sauƙaƙa canza siffar da girman ƙarfen. A ƙarshen aikin naɗewa mai zafi, kayan yawanci ana ƙara girman su kuma suna nakasa.
Karfe Mai Sanyi: Ana ƙara birgima ƙarfe mai sanyi bayan kayan sun huce don cimma girman da siffar da ake so. Wannan tsari yawanci ana yin sa ne a zafin ɗaki kuma yana haifar da ƙarfe mai inganci da daidaiton girma.
Za a yi bututun ta hanyar amfani damai juriya ga lantarki (ERW)tsari.
Bututun ERW tsari ne na ƙirƙirar walda ta hanyar naɗa wani abu na ƙarfe cikin silinda da kuma sanya juriya da matsin lamba a tsawonsa.
Karfe zai yi daidai da buƙatun sinadaran da aka ƙayyade a cikin Tebur 1 ko Tebur 2.
| Matsayi | Ƙarfin Yi ksi[MPa],min | Ƙarfin Ƙarshe ksi[MPa],min | Ƙarawa a cikin inci 2 (50 mm), minti, | RB minti | RB matsakaicin |
| DOM Bututun Ruwa | |||||
| 1008 | 50 [345] | 60 [415] | 5 | 73 | — |
| 1009 | 50 [345] | 60 [415] | 5 | 73 | — |
| 1010 | 50 [345] | 60 [415] | 5 | 73 | — |
| 1015 | 55 [380] | 65 [450] | 5 | 77 | — |
| 1020 | 60 [415] | 70 [480] | 5 | 80 | — |
| 1021 | 62 [425] | 72 [495] | 5 | 80 | — |
| 1025 | 65 [450] | 75 [515] | 5 | 82 | — |
| 1026 | 70 [480] | 80 [550] | 5 | 85 | — |
| 1030 | 75 [515] | 85 [585] | 5 | 87 | — |
| 1035 | 80 [550] | 90 [620] | 5 | 90 | — |
| 1040 | 80 [550] | 90 [620] | 5 | 90 | — |
| 1340 | 85 [585] | 95 [655] | 5 | 90 | — |
| 1524 | 80 [550] | 90 [620] | 5 | 90 | — |
| 4130 | 85 [585] | 95 [655] | 5 | 90 | — |
| 4140 | 100 [690] | 110[760] | 5 | 90 | — |
| Tubule Mai Sauƙin Damuwa na DOM | |||||
| 1008 | 45 [310] | 55 [380] | 12 | 68 | — |
| 1009 | 45 [310] | 55 [380] | 12 | 68 | — |
| 1010 | 45 [310] | 55 [380] | 12 | 68 | — |
| 1015 | 50 [345] | 60 [415] | 12 | 72 | — |
Lura na 1: Waɗannan ƙimar sun dogara ne akan yanayin zafi na yau da kullun na injin niƙa mai rage damuwa. Don takamaiman aikace-aikace, ana iya daidaita kadarorin ta hanyar tattaunawa tsakanin mai siye da mai samarwa.
Bayani na 2: Don gwaje-gwajen tsiri mai tsayi, faɗin sashin ma'aunin zai kasance bisa ga A370 Annex A2, Steel Tubelar Products, kuma za a rage maki 0.5 daga mafi ƙarancin tsawaitawa na asali ga kowane1/32raguwa a cikin [0.8 mm] a cikin kauri na bango a ƙasa5/16za a yarda da kauri na bango a cikin [7.9 mm].
Kashi 1% na dukkan bututun da ke cikin kowace rami kuma ba kasa da bututu 5 ba.
Bututun zagaye da bututun da ke samar da wasu siffofi idan suna zagaye suna aiki.
Za a yi wa dukkan bututun gwajin hydrostatic.
A kiyaye mafi ƙarancin matsin lamba na gwajin ruwa na tsawon mintuna 5 ba tare da ƙasa da haka ba.
Ana ƙididdige matsin lamba kamar haka:
P=2St/D
P= mafi ƙarancin matsin lamba na gwajin hydrostatic, psi ko MPa,
S= matsin lamba na zare da aka yarda da shi na 14,000 psi ko 96.5 MPa,
t= kauri na bango da aka ƙayyade, in. ko mm,
D= diamita na waje da aka ƙayyade, in. ko mm.
Manufar wannan gwajin ita ce a ƙi bututun da ke ɗauke da lahani masu illa.
Za a gwada kowace bututu da gwajin lantarki mara lalatawa bisa ga Dokar E213, Dokar E273, Dokar E309, ko Dokar E570.
Diamita na waje
Tebur 5Juriyar Diamita ga Nau'i na 3, 4, 5, da 6 (SDHR, SDCR, DOM, da SSID) Zagaye
Kauri a Bango
Tebur 8Juriyar Kauri a Bango Nau'i na 5 da 6 (DOM da SSID) Bututun Zagaye (Raka'o'in Inci)
TEBUR 9Juriyar Kauri a Bango Nau'i na 5 da 6 (DOM da SSID) Bututun Zagaye (Rukunin SI)
Tsawon
Tebur 13Juriyar Tsawon Layi don Bututun Zagaye na Lathe-Cut
Tebur 14Juriyar Tsawon Hanya Don Bututun Zagaye Na Punch, Saw-, ko Disc-Cut
Muraba'i
Tebur 16Juriya, Girman Waje, Bututun Murabba'i da Mai Kusurwa
Yi alama a cikin bayanan da ke ƙasa ta hanyar da ta dace ga kowace sanda ko fakiti.
Sunan masana'anta ko alamar, girman da aka ƙayyade, nau'in, lambar odar mai siye, da wannan lambar takamaiman bayani.
Ana karɓar Barcode a matsayin hanyar ƙarin gano bayanai.
A shafa bututun mai a fuska kafin a aika shi domin ya rage tsatsa.
Idan umarnin ya bayyana cewa za a aika bututun ba tare damai hana tsatsa, fim ɗin mai da aka ƙera zai ci gaba da kasancewa a saman.
Zai iya hana saman bututun amsawa da danshi da iskar oxygen a cikin iska yadda ya kamata, don haka yana guje wa tsatsa da tsatsa.
Hakika, yayin da man shafawa na asali ko fim ɗin mai mai sauƙi zai iya samar da wani matakin kariya na ɗan lokaci, don aikace-aikacen da ke buƙatar babban matakin kariya, ya kamata a zaɓi maganin kariyar tsatsa da ya dace bisa ga kowane hali.
Misali, ga bututun da aka binne, a3PE(rufin polyethylene mai layuka uku) za a iya amfani da shi don samar da kariya ta dogon lokaci daga tsatsa; ga bututun ruwa,FBEAna iya amfani da murfin (fusion-bonded epoxy powder), yayin dagalvanizedmagunguna na iya zama zaɓi mai tasiri a cikin muhallin da ake buƙatar kariya daga tsatsa ta zinc.
Tare da waɗannan fasahohin kariya daga tsatsa, ana iya tsawaita tsawon rayuwar bututun sosai kuma a kiyaye aikinsa.
Babban daidaito: Ƙananan jurewar girma fiye da sauran bututun da aka haɗa.
Ingancin saman: Fuskokin da suka yi laushi sun dace da aikace-aikacen da ke buƙatar kyawun gani da ƙarancin lahani a saman.
Ƙarfi da juriya: Tsarin zane-zanen sanyi yana haɓaka halayen injiniya, yana mai da shi dacewa don aikace-aikacen da ke da matuƙar damuwa.
Ingancin aiki: Ya fi sauƙi a yi amfani da injin saboda tsarinsa iri ɗaya da kuma daidaiton halayensa a cikin kayan.
Masana'antar motoci: don ƙera muhimman abubuwan da suka haɗa da sandunan tuƙi, bututun ɗaukar kaya, ginshiƙan sitiyari, da tsarin dakatarwa.
Sassan sararin samaniya: don ƙera bushings da kayan gini marasa mahimmanci ga jiragen sama.
Injinan masana'antu: Ana amfani da shi sosai wajen ƙera shafts, gears, da sauransu, saboda sauƙin injinansu da dorewarsu.
Kayayyakin wasanni: sassan gini kamar firam ɗin kekuna masu aiki da kayan motsa jiki.
Bangaren makamashi: ana amfani da shi a cikin maƙallan ƙarfe ko abubuwan naɗawa don na'urorin hasken rana.
Mu ɗaya ne daga cikin manyan masana'antun bututun ƙarfe na carbon da bututun ƙarfe marasa shinge daga China, tare da nau'ikan bututun ƙarfe masu inganci iri-iri, muna da niyyar samar muku da cikakken mafita na bututun ƙarfe.
Don ƙarin bayani game da samfurin, da fatan za a iya tuntuɓar mu, muna fatan taimaka muku nemo mafi kyawun zaɓuɓɓukan bututun ƙarfe don buƙatunku!
