LubAPI 5Ltus qauv hu cov raj raws li lawv lub zog tsawg kawg nkaus. Yog li ntawd,X52 (L360) muaj lub zog tsawg kawg nkaus ntawm 52,200 psi (360 MPa).
X52=L360, yog ob txoj hauv kev los qhia tib qib yeeb nkab hauv API 5L tus qauv.
X52yog qib nruab nrab hauv API 5L, ua ke lub zog siab nrog kev lag luam. Siv dav hauv kev thauj mus los roj thiab roj av, cov haujlwm tsim kho, cov kav dej hauv qab dej, thiab lwm yam.
Botop Hlauyog ib lub chaw tsim khoom ntawm cov yeeb nkab steel LSAW uas muaj phab ntsa tuab thiab loj uas muaj ob sab uas nyob hauv dej nyob hauv Suav teb.
1. Qhov chaw: Cangzhou City, Hebei Province, Suav teb;
2. Tag Nrho Cov Nyiaj Txiag: 500 lab RMB;
3. Thaj chaw Hoobkas: 60,000 square meters;
4. Muaj peev xwm tsim khoom txhua xyoo: 200,000 tons ntawm JCOE LSAW cov kav hlau;
5. Khoom Siv: Cov khoom siv tsim khoom thiab kuaj siab heev;
6. Kev Tshwj Xeeb: LSAW cov yeeb nkab hlau tsim tawm;
7. Daim Ntawv Pov Thawj: API 5L tau ntawv pov thawj.
API 5L X52 Kev Faib Tawm
Nyob ntawm PSL theem thiab kev xa khoom, X52 tuaj yeem muab faib ua pawg raws li hauv qab no:
PSL1: X52;
PSL2:X52N los yog L360N;X52Q los yog L360Q;X52M los yog L360M.
Hauv PSL2, tsab ntawv tom qab yog hais txog hom kev kho cua sov uas cov khoom yuav tsum tau ua ua ntej xa khoom zaum kawg. Koj tuaj yeem pomcov xwm txheej xa khoomhauv qab no kom paub meej ntxiv.
Cov Cai Xa Khoom
Cov Khoom Pib
Cov ingots, blooms, billets, coils, los yog plates.
Rau cov yeeb nkab PSL 2, cov hlau yuav tsum raug tua thiab ua raws li kev coj ua zoo.
Lub kauj lossis phaj siv rau kev tsim cov yeeb nkab PSL 2 yuav tsum tsis muaj cov khoom siv kho.
API 5L X52 Kev Tsim Khoom Txheej Txheem
Cov raj X52 tuaj yeem tsim tau los ntawm kev siv ntau yam txheej txheem tsim cov raj kom tau raws li qhov xav tau sib txawv ntawm kev tsim kho.
Yog xav paub ntxiv txog lub ntsiab lus ntawm lo lus Manufacturing Process,nyem qhov no.
SAWLyog qhov kev daws teeb meem zoo tshaj plaws rauloj-txoj kab uas hla, tuab-phab ntsacov kav hlau.
Cov lus "SAWL" thiab "LSAW"ob qho tib si hais txog Longitudinal Submerged Arc Welded, tab sis raug xa mus rau txawv thaj chaw. Qhov sib txawv, lo lus "LSAW" yog siv dav dua hauv kev lag luam.
Cov yeeb nkab LSAW yuav raug vuam ob zaug vim muaj cov khoom siv txwv hauv kev tsim cov yeeb nkab loj, thiab cov vuam yuav tsum kwv yees li 180 ° sib nrug.
Cov Hom Yeeb Nkab Kawg rau API 5L X52
PSL1 Cov Yeeb Nkab Hlau Kawg: Qhov kawg belled lossis qhov kawg tiaj tus;
PSL2 Cov Yeeb Nkab Hlau Kawg: Qhov kawg tiaj tus;
Rau cov yeeb nkab kawg yooj yimyuav tsum ua raws li cov cai hauv qab no:
Cov ntsej muag kawg ntawm t ≤ 3.2 hli (0.125 hauv) cov yeeb nkab kawg yuav tsum tau txiav plaub fab.
Cov raj xa dej tiaj tiaj uas muaj t > 3.2 hli (0.125 nti) yuav tsum tau muab txiav kom nkhaus rau kev vuam. Lub kaum sab xis yuav tsum yog 30-35° thiab qhov dav ntawm lub hauv paus ntawm lub kaum sab xis yuav tsum yog 0.8 - 2.4 hli (0.031 - 0.093 nti).
API 5L X52 Cov Tshuaj Lom Zem
Cov tshuaj lom neeg sib xyaw ntawm PSL1 thiab PSL2 cov yeeb nkab hlau t > 25.0 hli (0.984 hauv) yuav tsum txiav txim siab los ntawm kev pom zoo.
Cov Tshuaj Lom Zem rau PSL 1 Yeeb Nkab nrog t ≤ 25.0 hli (0.984 nti.)
Cov Tshuaj Lom Zem rau PSL 2 Yeeb Nkab nrog t ≤ 25.0 hli (0.984 nti.)
Rau cov khoom siv yeeb nkab PSL2 uas tau soj ntsuam nrog ib qhoCov ntsiab lus carbon ntawm ≤0.12%, cov pa roj carbon sib npaug CEPCMtuaj yeem suav tau siv cov qauv hauv qab no:
CEPCM= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Rau cov khoom siv yeeb nkab PSL2 uas tau soj ntsuam nrog ib qhoCov ntsiab lus carbon > 0.12%, cov pa roj carbon sib npaug CEllwtuaj yeem suav tau los ntawm kev siv cov qauv hauv qab no:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15
API 5L X52 Cov Khoom Siv Kho Tshuab
Cov Khoom Tensile
Kev ntsuam xyuas tensile ntsuas peb qhov tseem ceeb:lub zog tawm los, lub zog tensile, thiabkev ntev.
PSL1 X52 Cov Khoom Siv Tensile
PSL2 X52 Cov Khoom Siv Tensile
Lus CimQhov tsawg kawg nkaus elongation teev tseg, Afyuav tsum tau txiav txim siab siv cov qauv hauv qab no:
Ibf= C × (Axc)0.2/U0.9)
Cyog 1940 rau kev suav siv cov chav SI thiab 625,000 rau kev suav siv cov chav USC;
Axc yog thaj tsam ntawm qhov kev sim tensile uas siv tau, qhia hauv square millimeters (square inches), raws li nram no:
1) rau cov khoom sim ncig uas muaj qhov ntev li ntawm 130 hli2(0.20 nti.2) rau cov khoom sim uas muaj txoj kab uas hla 12.7 hli (0.500 nti) thiab 8.9 hli (0.350 nti); 65 hli2(0.10 nti.2) rau cov khoom sim uas muaj txoj kab uas hla 6.4 hli (0.250 nti);
2) rau cov khoom xeem tag nrho, qhov tsawg dua ntawm a) 485 hli2(0.75 nti.2) thiab b) thaj tsam ntawm daim ntawv xeem, T tau los ntawm kev siv txoj kab uas hla sab nraud thiab phab ntsa tuab ntawm cov yeeb nkab, puag ncig mus rau qhov ze tshaj plaws 10 hli2(0.01 nti.2);
3) rau cov khoom sim strip, qhov tsawg dua ntawm a) 485 hli2(0.75 nti.2) thiab b) thaj tsam ntawm daim ntawv xeem, tau los ntawm kev siv qhov dav ntawm daim ntawv xeem thiab qhov tuab ntawm phab ntsa ntawm cov yeeb nkab, puag ncig mus rau qhov ze tshaj plaws 10 hli2(0.01 nti.2);
Uyog lub zog tensile tsawg kawg nkaus uas tau teev tseg, qhia hauv megapascals (pounds ib square inch).
Lwm Yam Kev Sim Txog Tshuab
Cov kev pab cuam xeem hauv qab no siv rauCov yeeb nkab SAW homRau lwm hom yeeb nkab, saib Cov Lus Qhia 17 thiab 18 ntawm API 5L.
Kev sim khoov ntawm qhov vuam qhia;
Kev kuaj xyuas qhov nyuaj ntawm cov yeeb nkab uas tau vuam txias;
Kev tshuaj xyuas macro ntawm cov xov hlau;
thiab tsuas yog rau PSL2 steel yeeb nkab: CVN kev cuam tshuam kev xeem thiab DWT kev xeem.
Kev Ntsuas Hydrostatic
Lub Sijhawm Xeem
Txhua qhov loj ntawm cov kav hlau tsis muaj qhov thiab cov kav hlau txuas nrog D ≤ 457 hli (18 nti):lub sijhawm xeem ≥ 5s;
Cov yeeb nkab hlau vuam D > 457 mm (18 nti):lub sijhawm xeem ≥ 10s.
Kev Sim Zaus
Txhua lub yeeb nkab hlau.
Kev sim siab
Lub zog kuaj hydrostatic P ntawm ayeeb nkab hlau tiaj tiajtuaj yeem suav los ntawm kev siv cov mis.
P = 2St/D
Syog qhov kev ntxhov siab ntawm lub hoop. tus nqi yog sib npaug rau qhov tsawg kawg nkaus ntawm lub zog ntawm cov yeeb nkab hlau xa feem pua, hauv MPa (psi);
tyog qhov tuab ntawm phab ntsa uas tau teev tseg, qhia hauv millimeters (nti);
Dyog qhov txoj kab uas hla sab nraud uas tau teev tseg, qhia hauv millimeters (nti).
Kev Tshuaj Xyuas Tsis Muaj Kev puas tsuaj
Rau cov kav dej SAW, ob txoj kev,UT(kev kuaj mob ultrasound) los yogRT(kev kuaj mob radiograph), feem ntau yog siv.
ET(kev sim electromagnetic) tsis siv tau rau SAW raj.
Cov kab txuas uas vuam rau ntawm cov kav dej vuam ntawm qib ≥ L210 / A thiab txoj kab uas hla ≥ 60.3 hli (2.375 hauv) yuav tsum raug tshuaj xyuas tsis muaj kev puas tsuaj rau tag nrho cov tuab thiab ntev (100%) raws li tau teev tseg.
Kev kuaj mob UT uas tsis ua puas tsuaj
Kev kuaj mob RT uas tsis ua puas tsuaj
Kev Ntsuas Qhov Txias thiab Kev Nthuav Dav Txias
Kev ntsuas qhov loj me txias thiab kev nthuav dav txias yog ob txoj kev ua haujlwm uas siv rau hauv kev tsim cov raj LSAW kom ntseeg tau tias cov raj ua tiav qhov loj me thiab cov khoom siv kho tshuab. Ob qho txheej txheem yog cov txheej txheem ua haujlwm txias, qhov twg cov duab thiab qhov loj ntawm lub raj raug kho ntawm qhov kub thiab txias.
Qhov piv ntawm qhov loj ntawmkev nthuav dav txiascov raj yuav tsum tsis pub tsawg dua 0.003 thiab yuav tsum tsis pub ntau dua 0.015.
Tus nqi ntawm qhov loj me ntawmtxias me mecov yeeb nkab hlau yuav tsum tsis pub ntau tshaj 0.015, tsuas yog hauv cov xwm txheej hauv qab no:
a) Cov yeeb nkab tom qab ntawd normalized lossis quenched thiab tempered;
b) Tag nrho cov raj hlau txias me me tom qab ntawd raug txo kev ntxhov siab.
Qhia kom meej sab nraud txoj kab uas hla thiab phab ntsa tuab
Cov nqi txheem rau cov kab uas hla sab nraud thiab cov phab ntsa tuab ntawm cov yeeb nkab hlau tau muab rau hauvISO 4200thiabASME B36.10M.
Kev kam rau siab ntawm qhov ntev
Thov nias rau ntawm daim ntawv xiav ntawm sab xis kom pom qhov kev kam rau siab, qhov yuav tsum tau ua tau teev nyob rau hauvAPI 5L Qib Brau cov ntsiab lus.
API 5L X52 Daim Ntawv Thov
API 5L X52 cov yeeb nkab steel yog siv dav hauv ntau daim ntawv thov tseem ceeb vim nws cov khoom siv zoo heev thiab muaj peev xwm hloov kho rau cov chaw nyuaj.
Kev thauj mus los roj thiab roj avQhov no yog ib qho ntawm cov ntawv thov feem ntau rau API 5L X52. Feem ntau siv rau cov kav dej roj thiab roj av ntev, tshwj xeeb tshaj yog thaum muaj lub siab sab hauv siab.
Kev tsim kho thiab kev tsim kho vaj tseSiv tau los tsim cov qauv txhawb nqa rau cov choj thiab cov tsev. Nws kuj tseem siv tau rau hauv kev tsim cov braces lossis lwm yam qauv thauj khoom, tshwj xeeb tshaj yog qhov twg xav tau qhov ntev lossis muaj peev xwm thauj khoom siab.
Cov kav dej hauv qab dej hiav txwvCov phiaj xwm kav dej hauv qab dej hiav txwv muaj qhov xav tau tshwj xeeb rau cov kav dej uas tiv taus xeb thiab muaj zog siab, thiab API 5L X52 ua tau zoo heev hauv qhov no. Nws tiv taus dej hiav txwv thiab tswj hwm kev ncaj ncees thiab kev ua haujlwm ntawm cov kav dej, ua rau nws zoo tagnrho rau kev txuas mus rau cov roj thiab cov roj av hauv hiav txwv.
Peb Cov Khoom Siv
Tus Qauv: API 5L;
PSL1: X52 lossis L360;
PSL2: X52N, X52Q, X52M lossis L360N, L360Q, L360M;
Hom Yeeb Nkab: Cov Yeeb Nkab Hlau Welded;
Cov Txheej Txheem Tsim Khoom: LSAW, SAWL lossis DSAW;
Txoj kab uas hla sab nraud: 350 - 1500;
Phab ntsa tuab: 8 - 80 hli;
Ntev: Kwv yees li ntawm qhov ntev lossis ntev random;
Cov Teem Caij Yeeb Nkab: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 thiab SCH160.
Kev Txheeb Xyuas: STD, XS, XXS;
Txheej: Xim, kua roj vanish, 3LPE, FBE, 3LPP, HDPE, galvanized, epoxy zinc-nplua nuj, cement weighted, thiab lwm yam.
Kev Ntim Khoom: Daim ntaub tsis muaj dej, lub thawv ntoo, siv hlau los yog hlau xaim, yas los yog hlau yeeb nkab kawg tiv thaiv, thiab lwm yam. Kho kom haum.
Cov Khoom Sib Xws: Cov khoov, flanges, cov yeeb nkab fittings, thiab lwm yam khoom sib xws muaj.
