API 5L X65 (L450)yog API 5L nruab nrab rau qib siab carbon steel yeeb nkab, muaj npe rau nws qhov tsawg kawg nkaus yLub zog ntawm 65,300 psi (450 MPa).
Feem ntau tsim los tiv thaiv kev kub ntxhov thiab qhov chaw hnyav, X65 steel yeeb nkab yog qhov tsim nyog rau cov roj thiab cov kav dej uas yuav tsum tau ua kom muaj zog thiab kev ntseeg siab.Tsis tas li ntawd, nws cov khoom siv zoo heev thiab kev tiv thaiv corrosion ua rau nws zoo tagnrho rau siv hauv cov kav dej hauv qab hiav txwv thiab cov chaw muaj corrosive heev.
Botop Steelyog ib lub chaw tsim khoom ntawm tuab-walled loj-inch ob-sided submerged arc LSAW steel yeeb nkab nyob rau hauv Suav teb.
Qhov chaw: Cangzhou City, Hebei Province, Suav teb;
Kev nqis peev tag nrho: 500 lab RMB;
Factory cheeb tsam: 60,000 square meters;
Muaj peev xwm tsim tau txhua xyoo: 200,000 tons ntawm JCOE LSAW steel kav;
Khoom siv: Advanced ntau lawm thiab cov khoom siv kuaj;
Tshwj xeeb: LSAW steel yeeb nkab ntau lawm;
Daim ntawv pov thawj: API 5L tau ntawv pov thawj.
API 5L X65 Classification
Nyob ntawm qib PSL thiab kev xa khoom, X65 tuaj yeem faib raws li hauv qab no:
PSL1: X65 (L450);
PSL2: X65Q (L450Q) thiab X65M (L450M);
Txhawm rau tiv thaiv cov xwm txheej hnyav ntawm ntug dej hiav txwv (O) thiab qhov chaw ua haujlwm qaub (S), API 5L PSL2 tus qauv muaj cov cai tshwj xeeb rau ob qho tib si ib puag ncig.Cov kev cai no tau qhia los ntawm kev ntxiv ib tsab ntawv tshwj xeeb rau qib yeeb nkab.
Offshore Services PSL2 yeeb nkab:X65QO (L450QO) or X65MO (L450MO);
Sour service PSL2 yeeb nkab:X65QS (L450QS) or X65MS (L450MS).
Kev Xa Khoom
Lub ntsiab lus ntawm Q thiab M
RauSAW(Submerged Arc Welded) los yogCOV(Combination Welded Pipe), Q thiab M hauv kev xa khoom ntawm API 5L PSL2 sib haum rau cov txheej txheem tsim khoom hauv qab no.
API 5L X65 Manufacturing Txheej txheem
X 65cov kav dej tuaj yeem tsim los ntawm ntau cov txheej txheem tsim khoom kom haum rau ntau yam kev siv engineering.
SAWL(LSAW) yog qhov zoo tagnrho rau kev tsim cov kab loj loj, tuab-walled hlab nrog diameters tshaj 660 mm, tshwj xeeb tshaj yog nyob rau ntawm tus nqi taw tes uas nws muaj tus nqi kom zoo dua cov hlab seamless.
LSAWkuj feem ntau hu uaDSAWvim yog cov txheej txheem vuam ob sab siv hauv cov txheej txheem vuam.Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias DSAW hais txog cov txheej txheem vuam thiab tsis hais tshwj xeeb rau cov duab lossis cov kev taw qhia ntawm vuam.Nws tuaj yeem yog ib qho ncaj seam lossis kauv seam.
Pipe End Hom rau API 5L X65
PSL1 Hlau Yeeb Nkab Kawg: Tswb kawg lossis Plain kawg;
PSL2 Hlau Yeeb Nkab Kawg: Plain kawg;
Rau cov yeeb nkab ncaj kawgcov cai hauv qab no yuav tsum tau ua raws li:
Lub ntsej muag kawg ntawm t ≤ 3.2 hli (0.125 hauv) cov yeeb nkab kawg yuav tsum yog square txiav.
Plain-kawg raj nrog t> 3.2 hli (0.125 nyob rau hauv) yuav tsum tau beveled rau vuam.Lub kaum sab xis yuav tsum yog 30-35 ° thiab qhov dav ntawm lub hauv paus ntsej muag ntawm bevel yuav tsum yog 0.8 - 2.4 hli (0.031 - 0.093 nyob rau hauv).
API 5L X65 Chemical Composition
Cov tshuaj muaj pes tsawg leeg ntawm PSL1 thiab PSL2 steel yeeb nkab t> 25.0 hli (0.984 hauv) yuav tsum txiav txim siab los ntawm kev pom zoo.
Chemical Composition rau PSL 1 Pipe nrog t ≤ 25.0 mm (0.984 in.)
Chemical Composition rau PSL 2 Pipe nrog t ≤ 25.0 mm (0.984 in.)
Rau PSL2 steel yeeb nkab khoom soj ntsuam nrog acarbon cov ntsiab lus ≤0.12%, carbon sib npaug CEpcm uatuaj yeem suav nrog cov qauv hauv qab no:
CEpcm ua= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Rau PSL2 steel yeeb nkab khoom soj ntsuam nrog aCov ntsiab lus carbon> 0.12%, carbon sib npaug CElwjtuaj yeem suav nrog cov qauv hauv qab no:
CElwj= C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15
API 5L X65 Mechanical Properties
Tensile Properties
Kev ntsuas tensile tso cai rau kev txiav txim siab ntawm cov khoom tseem ceeb ntawm X65 cov ntaub ntawv, suav nrogyield zog, tensile zog, thiabelongation.
PSL1 X65 Tensile Properties
PSL2 X65 Tensile Properties
Nco tseg: Cov kev xav tau nthuav dav hauvAPI 5L X52, uas tuaj yeem pom yog tias xav tau.
Lwm yam Mechanical Experiments
Cov kev xeem hauv qab no siv rauSAW yeeb nkab hom.Rau lwm hom yeeb nkab, saib Tables 17 thiab 18 ntawm API 5L.
Weld qhia dabtsi yog khoov kuaj;
Cold-formed welded yeeb nkab hardness kuaj;
Macro soj ntsuam ntawm welded seam;
thiab tsuas yog rau PSL2 steel yeeb nkab: CVN cuam tshuam kuaj thiab DWT xeem.
Hydrostatic Test
Lub Sijhawm Xeem
Txhua qhov ntau thiab tsawg ntawm seamless thiab welded steel hlab nrog D ≤ 457 mm (18 in.):xeem lub sij hawm ≥ 5s;
Welded steel yeeb nkab D> 457 mm (18 nyob rau hauv.):xeem lub sij hawm ≥ 10s.
Kev sim ntau zaus
Txhua cov yeeb nkab steel.
Kev sim siab
Kev ntsuas hydrostatic siab P ntawm aplain-end steel yeeb nkabtuaj yeem suav tau los ntawm kev siv cov mis.
P = 2st/D
Syog lub hoop stress.tus nqi yog sib npaug rau qhov tsawg kawg nkaus tawm lub zog ntawm cov yeeb nkab steel xa feem pua, hauv MPa (psi);
tyog lub thickness ntawm phab ntsa, qhia nyob rau hauv millimeters (inch);
Dyog qhov teev sab nraud txoj kab uas hla, qhia hauv millimeters (inch).
Kev tshuaj xyuas tsis zoo
Rau SAW tubes, ob txoj kev,UT(ultrasonic testing) los yogRT(radiographic kuaj), feem ntau yog siv.
ET(electromagnetic testing) tsis siv rau SAW raj.
Welded seams ntawm welded kav ntawm qib ≥ L210 / A thiab txoj kab uas hla ≥ 60.3 mm (2.375 hauv) yuav tsum tsis txhob raug tshuaj xyuas kom tag nrho tuab thiab ntev (100%) raws li tau teev tseg.
UT cov kev xeem tsis muaj kev puas tsuaj
RT kev kuaj xyuas tsis muaj kev puas tsuaj
API 5L Pipe Schedule Chart
API 5L cov kav dej tau muab faib ua "Schedules" sib txawv raws li cov phab ntsa sib txawv, xws liTeem caij 20, Teem caij 40, Teem caij 80, thiab lwm yam. Cov phab ntsa thicknesses sib haum rau cov kev ntsuas sib txawv thiab daim ntawv thov scenarios.Cov phab ntsa thicknesses sib txawv rau cov kev ntsuas siab sib txawv thiab daim ntawv thov scenarios.
Txhawm rau kom yooj yim saib thiab siv, peb tau teeb tsa cov sijhawm teem sijhawm rau PDF cov ntaub ntawv.Koj tuaj yeem rub tawm thiab saib cov ntaub ntawv no yog tias xav tau.
Qhia tawm sab nraud thiab phab ntsa Thickness
Cov nqi tsim nyog rau kev teev sab nraud diameters thiab teev cov phab ntsa thicknesses ntawm cov yeeb nkab steel yog muab rau hauvISO 4200 UASthiabASME B36.10M.
Dimensional Tolerances
API 5L qhov yuav tsum tau ua rau qhov ntev ntev yog cov ncauj lus kom ntxaws hauvAPI 5L Qib B.Txhawm rau kom tsis txhob rov ua dua, koj tuaj yeem nyem rau ntawm daim ntawv xiav kom pom cov ntsiab lus cuam tshuam.
Daim ntawv thov
API 5L X65 steel yeeb nkab yog cov yeeb nkab uas muaj zog steel siv feem ntau hauv kev lag luam roj thiab roj, tshwj xeeb tshaj yog nyob rau hauv cov kav xa mus ntev thiab kev siv siab.
Kev thauj mus los ntev: Feem ntau siv rau kev thauj mus los ntawm cov roj thiab cov roj kav ntev, cov kav dej no yuav tsum tau tiv taus siab thiab huab cua ib puag ncig.
Hla cov kav dej: Qhov twg cov kav dej yuav tsum hla cov dej ntws, roob, lossis lwm yam teeb meem, lub zog siab ntawm API 5L X65 steel yeeb nkab ua rau nws zoo tagnrho.
Offshore platform: Nyob rau hauv offshore roj thiab roj extraction, siv los txuas ib tug drilling platform mus rau hauv av davhlau ya nyob twg los yog hloov hydrocarbons ntawm offshore chaw.
Industrial piping systems: Siv nyob rau hauv petrochemicals, refineries, thiab lwm yam kev lag luam chaw thauj mus los ntau yam xov xwm, xws li cov roj crude, natural gas, tshuaj raw khoom, thiab lwm yam.
X65 Cov khoom sib npaug
API 5L X65 sib npaug feem ntau yog xa mus rau cov khoom siv yeeb nkab steel uas muaj cov tshuaj lom neeg zoo sib xws, cov khoom siv kho tshuab, thiab kev siv, cov hauv qab no yog qee cov qauv thiab qib sib npaug:
ISO 3183: L450;
EN 10208-2: L450MB;
JIS G3454: STPG450;
DNV OS-F101: S450;
Peb Cov Khoom Muag
Txuj: API 5L lossis ISO 3183;
PSL1: X65 lossis L450;
PSL2: X65Q, X65M lossis L450Q, L450M;
Tube Hom: Welded Carbon Steel Yeeb Nkab;
Cov txheej txheem tsim khoom: LSAW, SAWL lossis DSAW;
Sab nraud txoj kab uas hla: 350 - 1500;
Phab ntsa Thickness: 8 - 80mm;
Length: Kwv yees ntev los yog random ntev;
Cov Sijhawm Pipe: 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 hnyav, thiab lwm yam.
Packing: Waterproof ntaub, rooj ntoo, steel siv los yog steel hlau bundling, yas los yog hlau yeeb nkab kawg tiv thaiv, thiab lwm yam. Customized.
Cov khoom sib txuam: khoov, flanges, yeeb nkab fittings, thiab lwm yam khoom sib txuam muaj.
