Qhov txawv ntawm API 5L X60 thiab X52 yog dab tsi?

Hauv kev lag luam kev lag luam ntawm kev thauj mus los roj thiab roj, muaj qhov sib txawv tseem ceeb ntawm X52 thiab X60 cov kav dej raws li API 5L tus qauv.
Hais txog cov tshuaj muaj pes tsawg leeg, API 5L X52: cov ntsiab lus carbon tsawg dua lossis sib npaug rau 0.28%, cov ntsiab lus silicon Tsawg dua lossis sib npaug rau 0.45%, manganese cov ntsiab lus tsawg dua lossis sib npaug rau 1.4 0%, phosphorus cov ntsiab lus Tsawg dua lossis sib npaug rau 0.030%, cov ntsiab lus sulfur Tsawg dua lossis sib npaug rau 0.030%.
API 5L X60: Cov ntsiab lus carbon tsawg dua lossis sib npaug rau 0.26%, cov ntsiab lus silicon Tsawg dua lossis sib npaug rau 0.40%, manganese cov ntsiab lus Tsawg dua los yog sib npaug rau 1.40%, phosphorus cov ntsiab lus Tsawg dua los yog sib npaug rau 0.030%, cov ntsiab lus sulfur Tsawg dua los yog sib npaug rau 0.030%
Nyob rau hauv cov nqe lus ntawm txhua yam khoom, X52 muaj qhov tsawg kawg nkaus yield zog ntawm 360 MPa thiab qhov tsawg kawg nkaus tensile zog ntawm 460 MPa; X60 muaj qhov tsawg kawg nkaus lub zog ntawm 415 MPa thiab lub zog tensile yam tsawg kawg nkaus ntawm 520 MPa.
Nyob rau hauv daim ntawv thov scenarios, ob qho tib si yog siv rau cov roj thiab roj pipeline tsheb thauj mus los. X60 feem ntau yog siv rau kev thauj mus los ntev-siab siab lossis tej yaam num nyob rau hauv complex geological tej yam kev mob nrog ntau zog yuav tsum tau; X52 yog dav siv nyob rau hauv nruab nrab thiab high-pressure roj thiab roj tsheb thauj mus los.
Nyob rau hauv cov nqe lus ntawm weldability, ob qho tib si ua tau zoo raws li tsim nyog welding tshuab thiab tsis, tab sis X60 muaj zog dua thiab yuav tsum tau ntau yam txheej txheem tswj thaum vuam.
Los ntawm tus nqi saib, X60 feem ntau kim dua X52 vim nws lub zog kom zoo dua.
Hais txog kev cuam tshuam tsis zoo, X60 muaj kev cuam tshuam ntau dua li X52, thiab X60 ua tau zoo dua nyob rau hauv qhov kub thiab txias los yog cuam tshuam rau ib puag ncig. Thaum xaiv cov ntawv thov pipeline, nws yuav tsum ua tib zoo xav txog cov kev xav tau ntawm qhov project, ib puag ncig, kev xav tau ntawm lub zog, thiab cov nqi tsim nyog los xaiv cov qib pipeline uas phim cov yam ntxwv ntawm qhov project.

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