TheAPI 5Ldaidaitattun sunaye bututu bisa mafi ƙarancin ƙarfin yawan amfanin ƙasa.Don haka,X52 (L360) yana da ƙaramin ƙarfin amfanin gona na 52,200 psi (360 MPa).
X52=L360, hanyoyi biyu ne na bayyana ma'aunin bututu iri ɗaya a daidaitattun API 5L.
X52matsakaici ne a cikin API 5L, yana haɗa babban ƙarfi tare da tattalin arziki.Ana amfani da shi sosai wajen jigilar mai da iskar gas, ayyukan gine-gine, bututun da ke karkashin ruwa, da dai sauransu.
Botop Karfeƙwararriyar ƙwararrun masana'anta ne na bututun ƙarfe mai kauri mai kauri mai kauri mai fuska biyu na arc LSAW bututun ƙarfe da ke cikin Sin.
1. Wuri: Birnin Cangzhou, lardin Hebei, kasar Sin;
2. Jimlar Zuba Jari: RMB miliyan 500;
3. Yankin masana'anta: murabba'in murabba'in 60,000;
4. Yawan samarwa na shekara: 200,000 ton na JCOE LSAW karfe bututu;
5. Kayan aiki: Ƙirar kayan aiki da kayan gwaji;
6. Musamman: LSAW samar da bututun ƙarfe;
7. Takaddun shaida: API 5L bokan.
API 5L X52 Rarraba
Dangane da matakin PSL da yanayin bayarwa, ana iya rarraba X52 kamar haka:
PSL1: X52;
PSL2:X52N ko L360N;X52Q ya da L360Q;X52M ya da L360M.
A cikin PSL2, wasiƙar suffix tana nufin nau'in maganin zafi da kayan da za'a yi kafin bayarwa na ƙarshe.Kuna iya ganinyanayin bayarwakasa don ƙarin bayani.
Yanayin Bayarwa
Kayan farawa
Ingots, blooms, billlets, coils, ko faranti.
Don bututun PSL 2, za a kashe karfe kuma a yi shi bisa ga kyakkyawan aikin hatsi.
Nada ko farantin da aka yi amfani da shi don kera bututun PSL 2 ba zai ƙunshi kowane walda na gyara ba.
API 5L X52 Tsarin Kera
Za a iya samar da bututun X52 ta amfani da hanyoyin samar da bututu iri-iri don saduwa da buƙatun injiniya daban-daban.
Don neman ƙarin bayani game da ma'anar gajarta Tsarin Ƙirƙira,danna nan.
SAWshine mafi kyawun mafita gababban diamita, kauri-bangonbututun karfe.
Sharuddan"SAW"kuma"LSAW"Dukansu biyu suna magana ne ga Dogon Jirgin Ruwa na Arc Welded, amma ana magana da su daban-daban a yankuna daban-daban. Sabanin haka, kalmar "LSAW" an fi amfani dashi a cikin masana'antar.
Ana iya walda bututun LSAW sau biyu saboda gazawar kayan aiki wajen samar da bututu mai girman diamita, kuma welds yakamata su kasance kusan 180° nesa.
Nau'in Ƙarshen Bututu don API 5L X52
PSL1 Karfe Ƙarfe: Ƙarshen Ƙarfe ko Ƙarshen Ƙarshe;
PSL2 Karfe Ƙarfe: Ƙarshen Ƙarfe;
Don ƙarewar bututu na filiya kamata a bi wadannan bukatu:
Ƙarshen fuskokin t ≤ 3.2 mm (0.125 in) bututun ƙarshen ƙarshen za a yanke murabba'i.
Za a yi amfani da bututun-ƙarshen ƙarshen da t> 3.2 mm (0.125 in) don waldawa.Matsakaicin kusurwa ya kamata ya zama 30-35 ° kuma nisa na tushen fuskar bevel ya zama 0.8 - 2.4 mm (0.031 - 0.093 in).
API 5L X52 Haɗin Sinadari
Abubuwan sinadaran PSL1 da PSL2 karfe bututu t> 25.0 mm (0.984 in) za a ƙaddara ta yarjejeniya.
Haɗin Kemikal don PSL 1 Bututu tare da t ≤ 25.0 mm (0.984 in.)
Haɗin Kemikal don PSL 2 Bututu tare da t ≤ 25.0 mm (0.984 in.)
Don samfuran bututun ƙarfe na PSL2 an bincika tare da aCarbon abun ciki na ≤0.12%, carbon daidai CEpcmza a iya lissafta ta amfani da dabara mai zuwa:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Don samfuran bututun ƙarfe na PSL2 an bincika tare da aabun ciki na carbon> 0.12%, carbon daidai CElwza a iya lissafta ta amfani da dabarar da ke ƙasa:
CElw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L X52 Kayayyakin Injini
Tensile Properties
Gwajin tensile yana auna ma'auni masu mahimmanci guda uku:samar da ƙarfi, karfin jurewa, kumaelongation.
PSL1 X52 Tensile Properties
PSL2 X52 Tensile Properties
Lura: ƙayyadadden ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun haɓakawa, Afza a ƙayyade ta amfani da ma'auni mai zuwa:
Af= C × (Axc0.2/U0.9)
Cshine 1940 don lissafin amfani da raka'a SI da 625,000 don ƙididdigewa ta amfani da raka'a USC;
Axc shine yanki na yanki na jujjuyawar juzu'i mai ƙarfi, wanda aka bayyana a cikin murabba'in milimita (inci murabba'in), kamar haka:
1) don madauwari na gwajin yanki, 130 mm2(0.20 in.2) don 12.7 mm (0.500 in.) da 8.9 mm (0.350 in.) ƙananan gwajin diamita;mm 652(0.10 in.2) don 6.4 mm (0.250 in.) gwajin gwajin diamita;
2) don cikakkun sassan gwaji guda, ƙananan a) 485 mm2(0.75 in.2) da b) yanki na yanki na yanki na gwajin, T da aka samo ta amfani da ƙayyadaddun diamita na waje da ƙayyadadden kauri na bango na bututu, wanda aka zagaye zuwa 10 mm mafi kusa.2(0.01 in.2);
3) don guntun gwajin tsiri, ƙaramin a) 485 mm2(0.75 in.2) da b) yanki na giciye na yanki na gwajin, wanda aka samo ta amfani da ƙayyadaddun nisa na yanki na gwajin da ƙayyadadden kauri na bango na bututu, wanda aka zagaye zuwa 10 mm mafi kusa.2(0.01 in.2);
Ushine ƙayyadadden ƙayyadaddun ƙarfin ƙarfi, wanda aka bayyana a cikin megapascals (fam a kowace inci murabba'i).
Sauran Gwajin Injini
Shirin gwaji mai zuwa ya shafiSAW bututu iri.Don sauran nau'ikan bututu, duba Tables 17 da 18 na API 5L.
Weld jagorar lankwasawa gwajin;
Gwajin taurin bututun da aka yi sanyi;
Macro dubawa na welded dinki;
kuma kawai don PSL2 karfe bututu: CVN tasiri gwajin da DWT gwajin.
Gwajin Hydrostatic
Lokacin Gwaji
Duk masu girma dabam na bututun ƙarfe marasa ƙarfi da welded tare da D ≤ 457 mm (18 in.):lokacin gwaji ≥ 5s;
Welded karfe bututu D> 457 mm (18 in.):lokacin gwaji ≥ 10s.
Yawan Gwaji
Kowane karfe bututu.
Gwajin gwaji
Matsin gwajin hydrostatic P na abututun ƙarfe na ƙarsheza a iya lissafta ta amfani da dabara.
P = 2St/D
Sshine damuwa na hoop.ƙimar ta yi daidai da ƙayyadadden ƙayyadadden ƙarfin yawan amfanin ƙasa na bututun ƙarfe xa kashi, a MPa (psi);
tshine ƙayyadadden kauri na bango, wanda aka bayyana a cikin millimeters (inci);
Dshine ƙayyadadden diamita na waje, wanda aka bayyana a cikin millimeters (inci).
Binciken mara lalacewa
Don tubes SAW, Hanyoyi biyu,UT(gwajin ultrasonic) koRT(gwajin rediyo), yawanci ana amfani da su.
ET(gwajin lantarki) baya amfani da bututun SAW.
Welded seams a kan welded bututu na maki ≥ L210 / A da diamita ≥ 60.3 mm (2.375 in) za a nondestructively duba ga cikakken kauri da tsawon (100%) kamar yadda kayyade.
Jarabawar UT mara lalacewa
RT gwajin mara lalacewa
Girman Sanyi da Fadada Sanyi
Girman sanyi da faɗaɗa sanyi dabaru ne guda biyu na sarrafawa da ake amfani da su wajen kera bututun LSAW don tabbatar da cewa bututun sun cimma madaidaicin girma da kaddarorin inji.Dukansu matakai guda biyu suna aiki ne masu sanyi, inda aka daidaita siffar da girman bututu a cikin zafin jiki.
Matsakaicin girman girmansanyi fadadatubes ba za su zama ƙasa da 0.003 ba kuma ba za su fi 0.015 ba.
Adadin girman girmansanyi-girmabututun ƙarfe ba zai fi 0.015 ba, sai dai a cikin waɗannan lokuta:
a) Bututun daga baya ya zama al'ada ko kuma an kashe shi kuma yana fushi;
b) Dukan bututun ƙarfe mai girman sanyi daga baya an kawar da damuwa.
Ƙayyade Diamita na Waje da Kaurin bango
Madaidaitan ƙididdiga don ƙayyadaddun diamita na waje da ƙayyadadden kauri na bangon bututun ƙarfe an ba da su a cikiISO 4200kumaSaukewa: ASME B36.10M.
Hakuri Mai Girma
Da fatan za a danna maɓallin shuɗi na dama don duba juriyar juzu'i, an jera abubuwan buƙatun a cikiAPI 5L Daraja Bdon cikakkun bayanai.
API 5L X52 Aikace-aikace
API 5L X52 bututun ƙarfe ana amfani dashi sosai a cikin aikace-aikace masu mahimmanci da yawa saboda kyawawan kaddarorin injin sa da ikon daidaitawa zuwa mahalli masu rikitarwa.
sufurin mai da iskar gas: Wannan shine ɗayan aikace-aikacen gama gari don API 5L X52.Ana amfani da shi ne don bututun jigilar mai da iskar gas mai nisa, musamman idan akwai matsanancin matsin lamba na ciki.
Gina da ababen more rayuwa: Ana iya amfani dashi don gina gine-ginen tallafi don gadoji da gine-gine.Hakanan za'a iya amfani dashi wajen kera takalmin gyaran kafa ko wasu sifofi masu ɗaukar kaya, musamman ma inda ake buƙatar dogon tsayi ko ƙarfin ɗaukar nauyi.
Bututun da ke karkashin teku: Ayyukan bututun da ke cikin teku suna da buƙatu na musamman na bututu masu jure lalata da ƙarfi, kuma API 5L X52 ta yi fice a wannan batun.Yana tsayayya da ruwan teku kuma yana kiyaye mutunci da aiki na bututun, yana mai da shi manufa don haɗawa da albarkatun mai da iskar gas.
Rage Kayanmu
Daidaitaccen: API 5L;
PSL1: X52 ko L360;
PSL2: X52N, X52Q, X52M ko L360N, L360Q, L360M;
Nau'in Bututu: Welded Carbon Karfe Bututu;
Tsarin Samfura: LSAW, SAHL ko DSAW;
Diamita na waje: 350 - 1500;
Kaurin bango: 8 - 80mm;
Tsawon: Kimanin tsayi ko tsayin bazuwar;
Jadawalin bututu: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 da SCH160.
Shaida: STD, XS, XXS;
Rufi: Paint, varnish, 3LPE, FBE, 3LPP, HDPE, galvanized, epoxy tutiya-arziƙi, ciminti nauyi, da dai sauransu
Shiryawa: Tufafi mai hana ruwa, akwati katako, bel na karfe ko bundling na karfe, filastik ko madaidaicin bututun ƙarfe, da dai sauransu na musamman.
Kayayyakin da suka dace: Lanƙwasawa, flanges, kayan aikin bututu, da sauran samfuran da suka dace suna samuwa.
