API 5L X60 (L415) bututun layi netare da ƙaramin ƙarfin amfanin gona na 60,200 (415 MPa) don amfani da tsarin sufuri na bututu a masana'antar mai da iskar gas.
X60na iya zama marar sumul ko nau'ikan bututun ƙarfe masu walda, galibi LSAW (SAWL), SSAW (SAWH), da ERW.
Saboda tsayin daka da ƙarfinsa, ana amfani da bututun na X60 don bututun yanki mai nisa mai nisa ko ayyukan sufuri ta wurare masu rikitarwa da sauran wurare masu buƙata.
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.
·Wuri: Birnin Cangzhou, lardin Hebei, kasar Sin;
·Jimlar Zuba Jari: RMB miliyan 500;
·Yankin masana'anta: murabba'in murabba'in 60,000;
·Yawan samarwa na shekara: 200,000 ton na bututun ƙarfe na JCOE LSAW;
·Kayan aiki: Ƙimar haɓakawa da kayan gwaji;
·Musamman: LSAW samar da bututun ƙarfe;
·Takaddun shaida: API 5L bokan.
Yanayin Bayarwa
Dangane da yanayin bayarwa da matakin PSL, ana iya rarraba X60 kamar haka:
PSL1: x60 ko L415;
PSL2: X60N, X60Q, X60M ko L415N, L415Q, L415M.
N: Yana nuna daidaitaccen abu.Ta dumama karfe zuwa wani zafin jiki sannan kuma sanyaya iska.Don inganta microstructure da kayan aikin injiniya na karfe da kuma ƙara ƙarfinsa da daidaito.
Q: Yana tsaye ga Quenching da Tempering.Yin zafi da karfe ta hanyar dumama shi zuwa wani yanayi mai zafi, sanyaya shi cikin sauri, sannan sake dumama shi zuwa ƙananan zafin jiki.Don samun ma'auni na ƙayyadaddun kayan aikin injiniya, kamar ƙarfin ƙarfi da ƙarfi.
M: Yana nuna maganin thermo-mechanical.Haɗin maganin zafi da machining don haɓaka microstructure da kaddarorin ƙarfe.Yana yiwuwa a ƙara ƙarfin da ƙarfin ƙarfe yayin da yake riƙe da kyawawan kayan walda.
API 5L X60 Tsarin Kera
Karɓar tsarin masana'antar bututun ƙarfe don X60
Idan ka ga waɗannan gajarta suna da wahalar fahimta, duba tarin labaran mu akanna kowa abbreviations ga karfe bututu.
Amfanin ANNABI (SAW)
Idan kana buƙatar babban diamita lokacin farin ciki bangon bututun ƙarfe, zaɓi na farko shineSAW (LSAW) bututun karfe.LSAW bututun karfe za'a iya samar da girma har zuwa 1500mm a diamita da 80mm a kaurin bango, wanda ke da cikakkiyar damar biyan bukatun bututun mai nisa don manyan ayyuka.
Bugu da kari, a lokacin samar da tsari, LSAW karfe bututu rungumi dabi'ar submerged baka waldi (biyu)DSAW) tsari, wanda ke tabbatar da ingancin suturar weld.
API 5L X60 Haɗin Sinadarin
PSL1 yafi sauki fiye da PSL2 dangane da abun da ke tattare da sinadaran, kaddarorin inji, da sauran bukatu.
Wannan sabodaPSL1wakiltar daidaitaccen matakin ingancin bututun ƙarfe na bututun ƙarfe, yayin daPSL2za a iya gani a matsayin ingantaccen sigar PSL1, wanda ke ba da ƙarin ƙayyadaddun ƙayyadaddun bayanai da tsauraran ingancin kulawa.
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
Haɗin sinadarai tare da t ： 25.0 mm (0.984 in.)
Za a ƙayyade ta hanyar shawarwari kuma a gyara shi zuwa ƙayyadaddun abun da ya dace dangane da buƙatun abubuwan sinadaran da ke sama.
API 5L X60 Kayayyakin Injini
Tensile Properties
Gwajin juzu'i babban shirin gwaji ne don kimanta kayan aikin injin bututun ƙarfe.Wannan gwajin yana ba da damar ƙayyade mahimman sigogi na kayan, ciki har dasamar da ƙarfi, karfin jurewa, kuma edogon buri.
PSL1 X60 Tensile Properties
PSL2 X60 Tensile Properties
Lura: Abubuwan da ake buƙata suna daki-daki a cikin sashin kayan aikin injiniya naAPI 5L X52, wanda za a iya dubawa ta danna kan blue font idan kuna sha'awar.
Sauran Gwajin Injini
Shirin gwaji mai zuwaya shafi nau'ikan bututun ƙarfe na SAW kawai.
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.
Ana iya samun abubuwan gwaji da mitocin gwaji don wasu nau'ikan bututu a cikin Tables 17 da 18 na ma'aunin API 5L.
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 bututukuma ba za a sami ɗigogi daga jikin walda ko bututu yayin gwajin ba.
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
Jadawalin Jadawalin Bututu API 5L
Don sauƙin dubawa da amfani, mun tsara fayilolin PDF masu dacewa.Kuna iya koyaushe zazzagewa da duba waɗannan takaddun idan an buƙata.
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
Abubuwan buƙatun API 5L don juriyar juzu'i an yi dalla-dalla a cikiAPI 5L Daraja B.Don guje wa maimaitawa, zaku iya danna kan shuɗin rubutun don duba cikakkun bayanai masu dacewa.
Menene X60 Karfe Yayi Daidai da?
Menene Bambanci Tsakanin API 5L X60 da X65?
