Thawj qhov sib txawv ntawmAPI 5L Qib X60thiabQib X 65dag hauv lawvmechanical zog. Tshwj xeeb, X65 muaj cov txiaj ntsig siab dua thiab lub zog tensile tshaj X60.
Ob qib poob raws li API 5L specification rau kab yeeb nkab siv hauv kev thauj mus los ntawm roj av, roj av, thiab dej.
Tag nrho X60/X65 steel kav yog muab nrog ua tiav MTC (Quality Control Certificate) thiab txhawb nqa thib peb - tog xeem.Thov saib peb cov ntaub ntawv pov thawj zoo.
Mechanical Properties (Qhov txawv ntawm Core)
Cov lej "60" thiab "65" sawv cev rau qhov tsawg kawg nkaus lub zog ntawm cov yeeb nkab hauv kilopounds ib square inch (ksi).
| Khoom | API 5L X60 (L415) | API 5L X65 (L450) |
| Min. Yield zog | 60,200 psi (415 MPa) | 65,300 psi (450 MPa) |
| Max. Yield zog (PSL2) | 75,400 psi (520 MPa) | 79,800 psi (550 MPa) |
| Min. Tensile zog | 75,400 psi (520 MPa) | 77,500 psi (535 MPa) |
| Max. Tensile zog (PSL2) | 110,200 psi (760 MPa) | 110,200 psi (760 MPa) |
Lus Cim: PSL2 (Product Specification Level 2) muaj cov kev cai nruj dua rau qhov siab tshaj plaws yield / tensile lub zog thiab tawg toughness piv rau PSL1.
Tshuaj muaj pes tsawg leeg
Txhawm rau ua tiav lub zog siab dua hauv X65, cov tuam ntxhab feem ntau hloov kho cov tshuaj "daim ntawv qhia". Thaum API tus qauv teeb tsa qhov siab tshaj plaws, X65 feem ntau muaj me ntsis ntxiv alloying cov ntsiab lus los yog kev kho cua sov ntau dua.
Manganese (Mn):X65 feem ntau muaj me ntsis manganese cov ntsiab lus ntau dua li X60 kom muaj zog thiab hardenability.
Micro{0}} alloying:Cov ntsiab lus zoo liNiobium (Nb), Vanadium (V), thiab Titanium (Ti)Feem ntau siv ntau dua hauv X65 los kho cov qauv nplej thiab txhawb lub zog yam tsis poob weldability.
Cov pa roj carbon sib npaug (CE):Vim tias X65 muaj zog dua, Carbon Equivalent tau saib xyuas kom ntseeg tau tias cov yeeb nkab tseem yooj yim rau vuam hauv daim teb.
Phab ntsa Thickness thiab Nyhav
Vim tias X65 muaj zog dua X60, nws tuaj yeem tiv taus siab dua sab hauv nrog cov phab ntsa nyias.
Tsim Advantage:Yog hais tias ib tug engineer tab tom tsim lub siab - lub raj xa dej siab, xaiv X65 tshaj X60 tuaj yeem tso cai rautxo cov phab ntsa thickness.
Tus nqi cuam tshuam:Cov phab ntsa nyias txhais tau tias siv cov hlau tsawg dua, uas txo qhov hnyav tag nrho ntawm cov raj xa dej, txo cov nqi tsheb thauj mus los thiab vuam cov nqi.
Daim ntawv thov thiab kev siv
X60 (L415):suav hais tias yog qib "workhorse". Nws yog dav siv rau nruab nrab - mus rau - siab siab onshore pipelines thiab muaj ntau heev nyob rau hauv cov roj thiab roj sib sau ua ke systems.
X65 (L450):Nyiam rausiab -siab, ntev- kis kab mobthiabntug hiav txwvdaim ntawv thov. Nws feem ntau yog "qhov chaw qab zib" rau cov kav dej niaj hnub no vim tias nws muaj lub zog siab - rau - qhov hnyav piv thaum tuav cov weldability zoo heev.
Khoom Specification Levels (PSL1 vs. PSL2)
Thaum sib piv ob, nws yog ib qho tseem ceeb kom paub yog tias koj tab tom saib PSL1 lossis PSL2:
PSL1:Standard zoo rau kev siv. Kev ntsuam xyuas tshuaj lom neeg thiab tshuab yog qhov yooj yim.
PSL2:Yuav tsum muaj rau qhov chaw hnyav dua (kev pabcuam qaub, huab cua txias). Nws muaj qhov yuav tsum tau uaImpact Testing (Charpy V-notch), stricter chemical txwv, thiab traceability yuav tsum.
X65 PSL2 yeeb nkab tau kuaj ntau dua thiab txhim khu kev qha dua li X60 PSL1 yeeb nkab.
Qhov twg xaiv?
| Feature | Xaiv X60 (L415) yog ... | Xaiv X65 (L450) yog tias ... |
| Qhov project siab | Txuj kev kub siab. | Siab siab heev los yog nyob deb. |
| Nyiaj txiag | Cov khoom siv qis dua tus nqi ib tuj yog qhov tseem ceeb. | Txuag tag nrho qhov hnyav / tons yog qhov tseem ceeb. |
| Muaj | Ntau heev thiab yooj yim rau qhov chaw. | Feem ntau, tab sis tej zaum yuav xav tau ib lub zeb khiav rau cov haujlwm loj. |
| Weldability | Me ntsis yooj yim rau weld vim qis alloys. | Yuav tsum muaj cov txheej txheem vuam me ntsis. |
API 5L Pipeline Hoobkas
API 5L roj thiab roj pipeline test equipments
API 5L pipelines rau combustible fluids daim ntawv pov thawj
FAQ
Puas yog API 5L X65 carbon steel?
Yog lawm,API 5L X65 yog carbon steel, tab sis qhov tseeb dua, nws raug cais raws li aSiab-Lub zog qis-Alloy (HSLA) steel.
API 5L qib X60 sib npaug rau ASTM yog dab tsi?
Tsis muajmeej 1-rau-1 "pipe-to-pipe" sib npaugrau API 5L X60 hauv cov qauv ASTM cov yeeb nkab feem ntau (xws li A106 lossis A53), vim tias cov qauv ASTM rau cov yeeb nkab feem ntau sab saum toj ntawm qis zog.
| Daim ntawv khoom | API 5L Qib | ASTM sib npaug | Min. Yield zog |
| Kab Yeeb | X60 (L415) | N/A (Siv API 5L) | 60,200 psi (415 MPa) |
| Fittings | X60 | ASTM A 860 WPHY 60 | 60,000 psi |
| Flanges | X60 | ASTM A694 F60 | 60,000 psi |
| Phaj | X60 | ASTM A572 Gr 1. | 60,000 psi |
