1000mm Large Diameter API 5LX70 Schedule 40 Spiral Welded Black Steel Pipe

Menene bututu mara nauyi

Karfe welded bututu: The low carbon carbon structural karfe ko low alloy structural karfe tsiri ana birgima a cikin wani bututu blank bisa ga wani helix Angle (wanda ake kira forming Angle), sa'an nan kuma bututu kabu ne welded tare, wanda zai iya samar da babban diamita karfe bututu. tare da kunkuntar tsiri.

Ana bayyana ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bango * bangon bango, kuma bututun da aka haɗa ya kamata ya tabbatar da cewa gwajin matsa lamba na ruwa, ƙarfin ƙarfi na weld da aikin lanƙwasa sanyi yakamata ya dace da buƙatun.

Tsarin dubawa na kamfaninmu

Raw abu dubawa - leveling dubawa - butt waldi dubawa - forming dubawa - ciki waldi dubawa - waje waldi dubawa - yanke bututu dubawa - Ultrasonic dubawa - tsagi dubawa - shaci girma dubawa - X-ray dubawa -- gwajin matsa lamba na ruwa -- dubawa na ƙarshe  

Tun lokacin da ake amfani da bututu mai waldadi mai karkace a cikin manyan ayyuka kamar hakar mai, kamfaninmu yana aiwatar da cikakken ka'idojin aminci a cikin gwajin ingancin samfur don samarwa abokan ciniki samfuran samfuran inganci. Don tabbatar da ingancin samfur, mun ƙirƙiri ingantaccen tsari mai inganci, hanyoyin aikin kan layi da tsare-tsaren dubawa da gwaji. 

Siffofin samfuran mu

Bambanci tsakanin karkace welded bututu da madaidaiciya welded bututu

Kwatancen fasaha:  A sauki kwatanta na fasaha halaye na karkace welded bututu da madaidaiciya welded bututu:

Metallurgical Properties na kayan

Madaidaicin kabu nutsewar baka welded bututu an yi shi da farantin karfe, yayin da karkataccen bututun da aka yi masa birgima mai zafi. Tsarin mirgina na na'urar tsiri mai zafi yana da jerin fa'idodi, kuma yana da ikon aiwatar da ƙarfe don samar da ingantaccen bututun ƙarfe. Misali, an shigar da tsarin sanyaya ruwa a kan benci mai fitarwa don hanzarta sanyaya, wanda ke ba da damar yin amfani da ƙananan kayan haɗin gwal don cimma matakan ƙarfi na musamman da ƙarancin zafin jiki, don haka inganta haɓakar ƙarfe. Amma wannan tsarin ba ya nan a masana'antar samar da farantin karfe. Abubuwan da ke cikin alloy (madaidaicin carbon) na nada galibi suna ƙasa da na nau'ikan nau'ikan ƙarfe iri ɗaya, wanda kuma yana haɓaka haɓakar bututun walda na karkace.

Ya kamata a lura da cewa saboda mirgina shugabanci na karkace welded bututu ba shugabanci na a tsaye karfe bututu axis (ta clamping dogara a karkace Angle na karfe bututu), da kuma mirgina shugabanci na karfe farantin na madaidaiciya kabu. karfe bututu ne perpendicular zuwa axis shugabanci na karfe bututu, da fatattaka juriya na karkace welded bututu abu ne mafi alhẽri daga na madaidaiciya kabu karfe bututu.

Tsarin walda

A cikin sharuddan walda tsari, karkace welded bututu da madaidaiciya kabu karfe bututu waldi hanya iri daya ne, amma madaidaiciyar kabu welded bututu ba makawa za su sami mai yawa T-weld, don haka yiwuwa na walda lahani yana karuwa sosai, da sauran walda. damuwa a T-weld yana da girma, kuma ƙarfe na walda sau da yawa yana cikin yanayin damuwa ta hanyoyi uku, yana ƙara yiwuwar fashewa.

Bugu da ƙari, bisa ga ka'idodin tsarin walda na arc, kowane waldi ya kamata ya sami wurin farawa da baka, amma kowane bututu mai walƙiya madaidaiciya ba zai iya isa ga yanayin lokacin walda haɗin zobe ba, don haka ana iya samun ƙarin lahani na walda. a kan baka quenching point.

Halin ƙarfi

Lokacin da bututu yana fuskantar matsin lamba na ciki, yawancin damuwa guda biyu ana haifar da su akan bangon bututu, wato radial stress δY da axial stress δX. Sakamakon damuwa δ= δy (l/4sin2α + cos2α) 1/2 a walda, inda α shine kusurwar helix na walda na bututu mai waldawa.

Karkace kusurwa na karkace da aka bayyana 50-75 digiri, don haka damuwar suttura a cikin babban damuwa na madaidaiciya bututun. A karkashin irin wannan matsa lamba na aiki, za a iya rage kauri na bangon bututun welded mai karkace da diamita iri ɗaya fiye da na bututun welded madaidaiciya.

Bisa ga halaye na sama, zamu iya sani:

A. Lokacin da bututun mai waldadi mai karkace ya fashe, saboda damuwa na yau da kullun da damuwa na roba na walda ba su da yawa, buɗaɗɗen fashewar gabaɗaya baya samo asali ne daga karkace walda, kuma amincinsa ya fi na bututun waldadden madaidaici.

B. Lokacin da akwai lahani masu kamanceceniya a kusa da walƙiyar karkace, haɗarin faɗaɗa na walda ɗin karkace bai kai na walda madaidaiciya ba saboda ƙaramin ƙarfinsa.

C. Tun da damuwa na radial shine matsakaicin matsananciyar damuwa da ke kan bututun ƙarfe, kabu na walda yana ɗaukar matsakaicin nauyi lokacin da yake cikin yanayin matsananciyar damuwa. Wato kabu madaidaiciya yana ɗaukar nauyi mafi girma, walda mai dawafi yana ɗaukar mafi ƙanƙanta kaya, kuma kabu mai karkace tsakanin su biyun.

Amfanin Karkaye welded bututu

1. Babbar ƙari: karkace welded bututu yana da babban ƙarfi kuma zai iya jure wa mafi girma matsa lamba da nauyi, don haka ya dace da yin nauyi goyon bayan Tsarin kamar karfe tsarin ginshiƙai.   

2. Juriya na lalata: Bayan saman jiyya kamar zafi tsoma galvanized, karkace welded bututu iya yadda ya kamata hana tsatsa da lalata da kuma tsawanta ta sabis.  

3. Sauƙi aiki: Za'a iya shigar da bututu mai walda mai karkace cikin sauƙi da kera ta ta hanyar yanke, hakowa, walda da sauran hanyoyin sarrafawa  

 4. Maras tsada: Idan aka kwatanta da sauran ci-gaba karafa, karkace welded bututu suna da ƙananan farashi kuma sun dace da samarwa da aikace-aikace masu girma.