API 5CT C90 Type1 Casing Rau Sour Service
C90 Hom 1 roj casing yog lub siab- lub zog casing tsim siv cov txheej txheem seamless steel yeeb nkab, feem ntau siv nyob rau hauv nruab nrab - mus rau - qhov tob ntawm cov roj thiab cov qhov dej. Nws cov txheej txheem tsim khoom tseem ceeb suav nrog kev kub dov lossis kev kos duab txias los tsim cov yeeb nkab, ua raws li kev kho cua sov thiab kev kub ntxhov los txhim kho cov khoom siv kho tshuab, thiab thaum kawg, precision threading thiab sealing nto kho kom ntseeg tau kev sib txuas. Cov txheej txheem no muaj txiaj ntsig zoo sib npaug ntawm cov khoom siv lub zog thiab kev tiv thaiv corrosion, ua raws li API 5CT tus qauv, thiab muaj peev xwm tiv taus qhov nyuaj ntawm qhov chaw ib puag ncig.
Gnee Steel (Tianjin) Co., Ltd. yog ib qho ntawm feem txhim khu kev qha manufacturers thiab lwm tus neeg ntawm api 5ct c90 type1 casing rau qaub qhov kev pab cuam nyob rau hauv Tuam Tshoj, kuj txhawb customized kev pab cuam nrog luv nqi. Txais tos rau cov lag luam wholesale luv nqi api 5ct c90 type1 casing rau qaub kev muag khoom ntawm no los ntawm peb lub hoobkas. Tiv tauj peb rau cov qauv dawb.
API 5CT C90 Hom 1 Casingyog ib qho siab -lub zog, tswj- qib steel qib tshwj xeeb tsim los rauSour Service (H2S ib puag ncig). Nws belongs rau Pawg 2 ntawm API 5CT specification. Qhov "Type 1" kev xaiv yog hais txog cov tshuaj tshwj xeeb thiab cua sov-kev kho mob (Quench & Temper) txheej txheem uas ua kom cov khoom muaj qhov zoo-grained, tag nrho martensitic qauv, muab siab tshaj plaws tiv thaivSulfide Stress Cracking (SSC).
API 5CT C90 Hom 1 Specification
| Parameter | Paub meej |
| Txuj | API Spec 5CT (ISO 11960) |
| Qib | C90 |
| Hom | Hom 1 (Cr-Mo alloy) |
| Kev Pabcuam | Sour Service (Anti-H2S) / NACE MR0175 ua raws |
| Kev tsim khoom | Seamless (SML) |
| Kev kho cua sov | Tag nrho ntev Quenched thiab Tempered (Q + T) |
| Khoom Specification Level | PSL1, PSL2, lossis PSL3 |
API 5CT C90 Hom 1 Casing Xim Code
Raws li API 5CT, cov cim xim rau C90 yogNtshav.
| Qib | Paint Band rau yeeb nkab | Xim Band ntawm Coupling |
| C90 Hom 1 | Ntshav(ib band) | Ntshav(Kuaj xim) |
API 5CT C90 Hom 1 Chemical Composition (%)
C90 yuav tsum muaj Chromium-Molybdenum (Cr-Mo) alloy puag los xyuas kom meej hardenability thiab SSC tsis kam.
| C | Mn | P (max) | S (max) | Si (max) | Cr | Mo | Nia (max) |
| 0.15 - 0.35 | 0.40 - 1.20 | 0.020 | 0.010 | 0.45 | 0.80 - 1.50 | 0.15 - 0.85 | 0.25 |
API 5CT C90 Hom 1 Mechanical Properties
Lub zog tawm los yog nruj me ntsis capped kom ntseeg tau tias cov khoom tsis nyuaj dhau, uas yuav ua rau muaj kev pheej hmoo ntawm kev tawg.
| Khoom | Tus nqi (Imperial) | Tus nqi (Metric) |
| Yield zog (min) | 90,000 psi | 621 MPa ua |
| Yield zog (max) | 105,000 psi | 724 MPa ua |
| Tensile zog (min) | 100,000 psi | 689mpa ua |
| Hardness (max) | 25.4 TSI | 255 HBW / 270 HV |
| Elongation | Kev xam raws li A=1940×A0.2/U0.9 |
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API 5CT C90 Hom 1 Casing Tolerances
| Yam khoom | Ua siab ntev |
| Sab nraud Diameter (OD) |
Tsawg dua los yog sib npaug4-1/2": ± 0.031" | >4-1/2": -0.5% rau +1% OD |
| Phab ntsa Thickness | -12.5% (Tsis muaj qhov siab tshaj plaws) |
| Qhov hnyav (Ib leeg sib koom) | -3.5% rau +6.5% |
| Kev ncaj | Max 0.2% ntawm tag nrho qhov ntev |
API 5CT C90 Hom 1 Casing Connections
C90 casing feem ntau yog muab nrog cov qauv API threads lossis siab -kev ua tau zoo tshaj plaws kev sib txuas.
| Hom kev sib txuas | Cov ntawv luv | Kev piav qhia |
| Luv Round Xov | STC | API Standard |
| Ntev Round Xov | LTC | API Standard (Feem ntau rau C90) |
| Buttress Xov | BTC | Siab nruj zog |
| Kev sib txuas hwm hwm | VAM, Tenaris, thiab lwm yam. | Gas-tight hlau-rau-hlau seals |
API 5CT C90 Type 1 Casing Size Chart (Common Size)
| OD (Inches) | Qhov hnyav (lb / ft) | Phab ntsa Thickness (hauv) | Drift Diameter (hli) |
| 4-1/2" | 11.60 / 13.50 | 0.250 / 0.290 | 3.875 / 3.795 |
| 5-1/2" | 17.00 / 20.00 | 0.304 / 0.361 | 4.767 / 4.653 |
| 7" | 26.00 / 29.00 | 0.362 / 0.408 | 6.151 / 6.059 |
| 9-5/8" | 47.00 / 53.50 | 0.472 / 0.545 | 8.525 / 8.379 |
Qib C90 Hom 1 Drilling Tube Dimensions (Metric - MM)
| OD (mm) | Phab ntsa Thickness (mm) | Internal txoj kab uas hla (mm) | Txoj kab uas hla (mm) |
| 114.30 | 6.35 / 7.37 | 101.60 / 99.56 | 98.42 / 96.39 |
| 139.70 | 7.72 / 9.17 | 124.26 / 121.36 | 121.08 / 118.19 |
| 177.80 | 9.19 / 10.36 | 159.42 / 157.08 | 156.24 / 153.90 |
| 244.48 | 11.99 / 13.84 | 220.50 / 216.80 | 216.53 / 212.83 |
Kev Ntsuas & Kev Ntsuam Xyuas ntawm API 5CT C90 Hom 1 Casing
Txhawm rau kom ntseeg tau tias muaj kev tiv thaiv rau H2S, C90 tau txais kev tswj xyuas zoo.
| Xeem lub npe | Kev xav tau | Ntau zaus |
| Hydrostatic Test | Yuav tsum tau (100% kav) | Txhua qhov sib koom |
| Tensile Test | Txheeb xyuas Yield / Tensile zog | Ib zaug rau ntau / cua sov |
| Hardness Test | Crucial (Max 25.4 HRC) | 100% los yog raws li PSL |
| Flattening Test | Tshawb xyuas ductility | Txhua ntau |
| NDT (Tsis yog -Kev puas tsuaj) | UT (Ultrasonic) los yog Sib Nqus Particle | Yuav tsum tau rau PSL2/PSL3 |
| SSC Test | NACE TM0177 (Yuav tsum tau rau hom 1) | Periodic / per cua sov |
GNEEAPI 5CT Gr. C90 Casing PipesHoobkas
API 5CT Qib C90 Roj Zoo Drilling Tube Test thiab Tshuaj Xyuas
FAQ
Yuav ua li cas loj casing yeeb nkab?
Sab hauv txoj kab uas hla ntawm casing yeeb nkab yuav tsum yog:yam tsawg kawg yog 4-nti ntau dua li sab nraud txoj kab uas hla ntawm cov cab kuj cov yeeb nkab sib txuas los yog couplings rau cov yeeb nkab cab kuj tsawg dua 6- -inch inch; thiab yam tsawg kawg yog 6-nti ntau dua li sab nraud txoj kab uas hla ntawm cov cab kuj cov yeeb nkab txuas los yog txuas rau cov yeeb nkab 6-nti
API casing loj npaum li cas?
Feem ntau API steel qib rau steel casing:
Qhov ntau thiab tsawg ntawm casing muaj xws li:4½", 5", 5½", 6⅝", 7", 7⅝", 8⅝", 9⅝", 10¾", 11¾", 13⅜", 16", 18⅝", 20", thiab lwm yam. Cov phab ntsa thickness series: xws li 5.21 hli, 6.35 hli, 7.72 hli, 9.17 hli, 10.36 hli, thiab lwm yam.
Tus qauv ntev ntawm casing yeeb nkab yog dab tsi?
Ua raws li IS: 12818 tus qauv, cov khoom siv phab ntsa dawb casing yeeb nkab thiab ribbed screen yeeb nkab yog muaj nyob rau hauv tus qauv ntev ntawm3 mts.
Cim npe nrov: api 5ct c90 type1 casing rau qaub pab, Tuam Tshoj api 5ct c90 type1 casing rau qaub pab manufacturers, lwm tus neeg, Hoobkas
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