Piv txwv li,api 5ct qib l80 hom 1 Casing thiab Tubingyuav tsum tsis txhob tempered ntawm kub hauv qab 1150 degree F kom tsis txhob ua nkig. Ntxiv mus, qib L80 kav tsis pom zoo kom ua haujlwm txias tom qab kev kho cua sov. Rau ibAPI 5CT Casingraj uas tau roj quenched, ib qho kev hloov kho yuav ua tau hais txog kev nce cov ntsiab lus ntawm carbon. Ib qho txiaj ntsig tseem ceeb ntawm kev siv lubAPI 5CT Casing thiab Tubingrau kev lag luam roj av yog vim cov hlau alloy siv tau tuaj yeem tiv thaiv corrosion los ntawm cov khoom siv bi-xws li carbon dioxide ntxiv rau hydrogen sulfide. Hydrogen sulfide ua rau muaj kev ntxhov siab heev ntawm cov kav dej, tshwj xeeb tshaj yog tias lawv tau welded. Txawm li cas los xij, kev siv seamless steelAPI 5CT QIB L80 PipesNws yog qhov muaj zog ntau dua thiab tuaj yeem nyob ntev dua vim tias lawv tsis cuam tshuam rau kev tawg. Nyob rau hauv no specification, tus qauvAPI 5CT L-80 Casing Pipetsis muaj leej faj thiab yog cov khoom tsis muaj corrosive.
| API 5CT Casing Pipe Standard | API 5CT Casing Pipe Hom | API 5CT Casing Pipe Tensile Strength MPa |
API 5CT Casing Pipe Yield Strength MPa |
API 5CT Casing Pipe Hardness Max. |
|---|---|---|---|---|
| API SPEC 5CT UAS | J55 | Ntau dua lossis sib npaug li 517 | 379 ~ 552 | ---- |
| K55 | Ntau dua lossis sib npaug li 517 | Ntau dua lossis sib npaug rau 655 | --- | |
| N80 | Ntau dua lossis sib npaug rau 689 | 552 ~ 758 | --- | |
| L80 (13Cr) | Ntau dua lossis sib npaug rau 655 | 552 ~ 655 | Tsawg dua lossis sib npaug rau 241HB | |
| P110 | Ntau dua lossis sib npaug rau 862 | 758 ~ 965 | ---- |
Cov Qauv Txheej Txheem ntawm API -5CT L80 Casing Pipe
Stockist ntawm Jindal API 5CT OCTG Casing Tubing hauv Is Nrias teb, API 5CT Qib L80 Cov kav dej hauv ntau qhov ntau thiab tsawg
| Qib | C Tsawg dua los yog sib npaug | Si Less than los sib npaug | Mn Tsawg dua lossis sib npaug | P Tsawg dua lossis sib npaug | S Tsawg dua los yog sib npaug | Cr Tsawg dua lossis sib npaug | Ni tsawg dua los yog sib npaug | Cu Less tshaj los yog sib npaug | Als Tsawg dua lossis sib npaug |
| API 5CT L80 | 0.15-0.22 | 1.00 | 0.25-1.00 | 0.020 | 0.010 | 12.0-14.0 | 0.20 | 0.20 | 0.020 |
Carbon Steel API 5CT GR. L80 Pipes Mechanical Analysis
| Qib Steel | Yield zog (Mpa) | Tensile zog (Mpa) |
| API 5CT L80 | 552-655 | Ntau dua lossis sib npaug rau 655 |
Kev tshuaj xyuas txoj kev API 5CT GR.L80 Pipe
Qhov loj thiab qhov chaw soj ntsuam
NDT thiab kev ntsuas siab thiab daim ntawv pov thawj thib peb
Hydrostatic
Drifting xeem
Kev tshuaj xyuas lub cev thiab tshuaj lom neeg
Hardness thiab siab xeem
Electromagnetic
Sib nqus particle
Ultrasonic
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