Ana yin bututun ƙarfe mara ƙarfi ba tare da walda ba ta hanyoyin aiki masu zafi kamar mirgina mai zafi.Idan ya cancanta, bututun da aka yi zafi zai iya ƙara yin aiki mai sanyi zuwa siffar da ake so, girman da aiki.A halin yanzu, bututun ƙarfe maras sumul shine bututun da aka fi amfani da shi a sassan samar da petrochemical.
(1)Carbon karfe bututu maras kyau
Material daraja: 10, 20, 09MnV, 16Mn iri 4 gaba daya
Standard: GB8163 "Bututun ƙarfe mara nauyi don jigilar ruwa"
GB/T9711 "Oil da gas masana'antu karfe bututu isar da fasaha yanayi"
GB6479"Babban matsa lamba maras ƙarfi bututu don kayan aikin taki"
GB9948"Bututun Karfe maras sumul don fasa man fetur"
GB3087"Bututun ƙarfe mara nauyi don ƙananan matsa lamba masu zafi"
GB/T5310"Bututun ƙarfe mara nauyi don manyan tukunyar jirgi"
GB/T8163:
Material daraja: 10, 20,Q345, da dai sauransu.
Iyakar aikace-aikace: tsara zafin jiki ne kasa da 350 ℃, matsa lamba ne kasa da 10MPa man fetur, mai da jama'a matsakaici
Material daraja: 10, 20G, 16Mn, da dai sauransu.
Iyakar aikace-aikace: man fetur da gas tare da zane zazzabi na -40 ~ 400 ℃ da ƙira matsa lamba na 10.0 ~ 32.0MPa
Material daraja: 10, 20, da dai sauransu.
Iyakar aikace-aikace: bai dace da GB/T8163 karfe bututu lokatai.
Material daraja: 10, 20, da dai sauransu.
Iyakar aikace-aikace: low da matsakaici matsa lamba tukunyar jirgi superheated tururi, ruwan zãfi, da dai sauransu.
Material daraja: 20G, da dai sauransu.
Iyakar aikace-aikace: superheated tururi matsakaici na babban matsin tukunyar jirgi
Dubawa: nazarin abubuwan sinadarai, gwajin tashin hankali, gwajin lallashi da gwajin matsa lamba na ruwa dole ne a gudanar da shi akan bututun ƙarfe da ake amfani da shi don jigilar ruwa gabaɗaya.
GB5310, GB6479, GB9948nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'in) bututu, wanda baya ga bututun sufuri na ruwa,amma kuma ana buƙatar aiwatar da gwajin flaring da gwajin tasiri;The masana'antu dubawa bukatun na wadannan uku irin karfe bututu ne quite m.
GB6479ma'auni kuma yana yin buƙatu na musamman don ƙarancin tasirin ƙarfin ƙarfi na kayan.
GB3087 misali karfe bututu, ban da janar gwajin bukatun ga ruwa kai karfe bututu, amma kuma na bukatar sanyi lankwasawa gwajin.
GB / T8163 misali karfe bututu, ban da janar gwajin bukatun ga ruwa kai karfe bututu, bisa ga bukatun da yarjejeniya don gudanar da wani flaring gwajin da sanyi lankwasawa test.The masana'antu bukatun na wadannan biyu irin bututu ba kamar yadda m. kamar yadda na farko iri uku.
Manufacturing: GB/T/8163 da GB3087 misali karfe bututu dauko bude makera ko Converter smelting, da ƙazantar da ciki lahani ne in mun gwada da more.
GB9948narkewar wutar lantarki.Yawancin ana ƙara su zuwa tsarin tace tanderu tare da ɗanɗano abubuwan sinadaran da lahani na ciki.
GB6479kumaGB5310Ma'auni da kansu suna ƙayyade abubuwan da ake buƙata don tsaftacewa a waje da tanderun, tare da ƙananan ƙazanta da lahani na ciki da mafi kyawun kayan abu.
An kera ma'aunin bututun ƙarfe da yawa na sama a cikin tsari na inganci daga ƙasa zuwa babba:
GB/T8163GB3087＜GB9948＜GB5310＜GB6479
Selection: a karkashin al'ada yanayi, GB / T8163 misali karfe bututu dace da zane zafin jiki ne kasa da 350 ℃, matsa lamba ne kasa da 10.0mpa mai kayayyakin, mai da gas da kuma jama'a matsakaici yanayi;
Don samfuran mai, matsakaicin mai da iskar gas, lokacin da zafin ƙirar ƙirar ya fi 350 ℃ ko matsa lamba ya fi 10.0mpa, ya dace don zaɓar.GB9948 or GB6479daidaitaccen bututun karfe;
GB9948 or GB6479Hakanan ya kamata a yi amfani da ma'auni don bututun da ake sarrafa su kusa da hydrogen ko a cikin yanayin lalatawar damuwa.
Janar low zafin jiki (kasa da -20 ℃) ta amfani da carbon karfe bututu kamata a yi amfaniGB6479daidaitattun, kawai yana ƙayyade buƙatun ƙarancin tasirin tasirin ƙarfi na kayan.
GB3087 daGB5310an saita ma'auni na musamman don ma'aunin bututun ƙarfe na tukunyar jirgi."Dokokin kula da aminci na tukunyar jirgi" ya jaddada cewa duk abin da aka haɗa tare da bututun tukunyar jirgi yana cikin iyakokin kulawa, aikace-aikacen kayan da daidaitattun ya kamata su bi ka'idodin amincin tukunyar jirgi, don haka, tukunyar jirgi, tashar wutar lantarki, dumama da samar da petrochemical. ya kamata a yi amfani da na'urar da aka yi amfani da ita a bututun tururi na jama'a (ta hanyar samar da tsarin) GB3087 ko ma'auniGB5310.
Ya kamata a lura da cewa ingancin ingancin bututun ƙarfe mai kyau, farashin bututun ƙarfe yana da inganci, kamarGB9948fiye da GB8163 farashin kayan yana kusan 1/5, sabili da haka, a cikin zaɓin ka'idodin bututun ƙarfe, yakamata a yi la'akari da yanayin amfani, duka abin dogaro da tattalin arziki.Ya kamata kuma a lura da cewa karfe shambura daidai da GB/T20801 da TSGD0001, GB3087 da GB8163 ba za a yi amfani da GC1 piping (sai dai in akayi daban-daban ultrasonic, ingancin ba kasa da L2.5, za a iya amfani da a GC1 (1) bututu zane. matsa lamba bai fi 4.0Mpa ba).
(2) Low gami karfe bututu maras sumul
A petrochemical samar da wuraren, da aka saba amfani sumul karfe bututu matsayin chromium-molybdenum karfe da chromium-molybdenum vanadium karfe ne.
GB9948"Bututun Karfe mara sumul don Fashewar Man Fetur"
GB6479"Babban matsa lamba maras ƙarfi bututu don kayan aikin taki"
GB/T5310”Bututun ƙarfe mara nauyi don manyan tukunyar jirgi"
GB9948ya ƙunshi chromium molybdenum karfe maki: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo da sauransu.
GB6479ya ƙunshi chromium molybdenum karfe sa: 12CrMo, 15CrMo, 1Cr5Mo da sauransu.
GB/T5310ya ƙunshi chromium-molybdenum karfe da chromium-molybdenum vanadium karfe abu maki maki: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, da dai sauransu.
Tsakanin su,GB9948an fi amfani da shi.
Lokacin aikawa: Mayu-19-2022
