API 5L Qib X52 kavmuaj zog mechanical zog nrog qhov tsawg kawg nkaus lub zog ntawm txog 360 MPA. Cov kav dej qib no zoo tshaj rau API 5L Qib B, API 5L Qib X42 thiab API 5L Qib X46 yeeb nkab hais txog cov khoom siv tshuaj thiab cov khoom siv kho tshuab.
Qhov sib txawv tseem ceeb ntawm API 5L qib B thiab X52 qib yog raws li hauv qab no:
Lub zog tawm los yog txawv. Lub zog tawm los ntawm API 5L qib B yog 241MPa; Lub zog tawm los ntawm qib X52 yog 360MPa.
Cov kev siv sib txawv. API 5L B-qib steel kav feem ntau yog siv hauv cov kav dej rau kev thauj cov roj, roj thiab lwm yam dej; X52-qib steel kav yog siv dav hauv cov kav dej tshuaj, dej thiab cov kav dej, kev xa hluav taws xob, kev tsim kho kev lag luam thiab lwm yam kev lag luam.
Tshuaj muaj pes tsawg leeg ntawm API 5L X52 PSL1 Pipes nrog t Tsawg dua los yog sib npaug rau 0.984"
| Qib Steel | Pawg feem ntau, % raws li qhov kub thiab cov khoom txheeb xyuas a, g | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | V | Nb | Ti | |
| mas b | mas b | max | max | max | max | max | |
|
Seamless Yeeb Nkab |
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| X52 | 0.28 | 1.4 | 0.3 | 0.3 | d | d | d |
|
Welded yeeb nkab |
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| X52 | 0.26 | 1.4 | 0.3 | 0.3 | d | d | d |
| a. Cu Less dua los yog sib npaug rau {{0}}.50% Ni; Tsawg dua lossis sib npaug rau 0.50%; Cr Tsawg dua lossis sib npaug li 0.50%; thiab Mo Tsawg dua lossis sib npaug li 0.15%, b. Rau txhua qhov kev txo qis ntawm {{0}}.01% qis dua qhov ntsuas siab tshaj plaws rau cov pa roj carbon, qhov nce ntawm 0.05% saum toj no qhov siab tshaj plaws concentration rau Mn tso cai, mus txog qhov siab tshaj plaws ntawm 1.65% rau qib siab dua los yog sib npaug L245 lossis B, tab sis Tsawg dua lossis sib npaug L360 lossis X52; mus txog qhov siab tshaj plaws ntawm 1.75% rau qib> L360 lossis X52, tab sis c. Tshwj tsis yog tias pom zoo NB + V Tsawg dua lossis sib npaug rau 0.06%, d. Nb + V + TI Tsawg dua lossis sib npaug rau 0.15%, e. Yog tsis pom zoo., f. Tshwj tsis yog tias pom zoo, NB + V=Ti Tsawg dua lossis sib npaug rau 0.15%, g. Tsis txhob txhob txwm tshaj tawm B raug tso cai thiab qhov seem B Tsawg dua lossis sib npaug rau 0.001% |
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