APISPEC5L-2012 Cov Yeeb Nkab Hlau Carbon Seamless Hlau 46th tsab
| Tus Qauv:API 5L | Cov hlau los yog tsis yog: Tsis yog hlau, Carbon |
| Qib Pawg: Gr.B X42 X52 X60 X65 X70 thiab lwm yam | Daim Ntawv Thov: Kab Yeeb Nkab |
| Thickness: 1 - 100 hli | Kev Kho Mob Nto: Raws li tus neeg yuav tsum tau ua |
| Sab Nraud Txoj Kab uas hla (Puag ncig): 10 - 1000 hli | Txheej Txheem: Kub Dov |
| Ntev: Ntev ntev lossis ntev random | Kev kho cua sov: Normalizing |
| Tshooj Puab: Puag ncig | Cov Yeeb Nkab Tshwj Xeeb: PSL2 lossis Cov Yeeb Nkab Qib Siab |
| Qhov chaw ntawm keeb kwm: Tuam Tshoj | Siv: Kev Tsim Kho, Cov kav dej kua |
| Daim Ntawv Pov Thawj: ISO9001: 2008 | Kev Ntsuas: NDT / CNV |
Cov kav dej siv los thauj cov roj, cov pa dej thiab cov dej rub los ntawm hauv av mus rau cov lag luam roj thiab roj av los ntawm cov kav dej
Qib rauAPI 5Lkab yeeb nkab hlau: Gr.B X42 X52 X60 X65 X70
| Qib Hlau (Lub Npe Hlau) | Feem Pua, Raws Li Kev Tshawb Fawb Kub Thiab Khoomib,g% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| siab tshaj plaws b | siab tshaj plaws b | feeb | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | |
| Cov Yeeb Nkab Seamless | ||||||||
| L175 los yog A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P los yog A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 los yog A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 los yog B | 0.28 | 1.20 | — | 0.030 | 0.030 | c, d | c, d | d |
| L290 los yog X42 | 0.28 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 los yog X46 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 los yog X52 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 los yog X56 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 los yog X60 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 los yog X65 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L485 los yog X70 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| Cov Yeeb Nkab Welded | ||||||||
| L175 los yog A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P los yog A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 los yog A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 los yog B | 0.26 | 1.20 | — | 0.030 | 0.030 | c, d | c, d | d |
| L290 los yog X42 | 0.26 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 los yog X46 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 los yog X52 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 los yog X56 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 los yog X60 | 0.26 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 los yog X65 | 0.26 e | 1.45 e | — | 0.030 | 0.030 | f | f | f |
| L485 los yog X70 | 0.26 e | 1.65 e | — | 0.030 | 0.030 | f | f | f |
| Cu ≤ 0.50%; Ni ≤ 0.50%; Cr ≤ 0.50% thiab Mo ≤ 0.15%. b Rau txhua qhov kev txo qis ntawm 0.01% qis dua qhov siab tshaj plaws uas tau teev tseg rau cov pa roj carbon, kev nce ntawm 0.05% siab dua qhov siab tshaj plaws uas tau teev tseg rau Mn yog qhov tso cai, txog li ntawm 1.65% rau qib ≥ L245 lossis B, tab sis ≤ L360 lossis X52; txog li ntawm 1.75% rau qib > L360 lossis X52, tab sis c Tshwj tsis yog tias tau pom zoo lwm yam, Nb + V ≤ 0.06%. d Nb + V + Ti ≤ 0.15%. Tshwj tsis yog tias tau pom zoo lwm yam. f Tshwj tsis yog tias tau pom zoo lwm yam, Nb + V + Ti ≤ 0.15%. g Tsis pub ntxiv B ntxiv thiab B seem ≤ 0.001%. | ||||||||
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Qib Yeeb Nkab | Lub cev yeeb nkab ntawm Seamless thiab Welded yeeb nkab | Qhov Txuas Ntawm EW, LW, SAW, thiab COWYeeb Nkab | ||
| Lub Zog Tawma Rt0.5 | Lub zog tensilea Rm | Kev ntev(ntawm 50 hli los yog 2 nti.)Af | Lub zog tensileb Rm | |
| MPa (psi) | MPa (psi) | % | MPa (psi) | |
| feeb | feeb | feeb | feeb | |
| L175 los yog A25 | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L175P los yog A25P | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L210 los yog A | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| L245 los yog B | 245 (35,500) | 415 (60,200) | c | 415 (60,200) |
| L290 los yog X42 | 290 (42,100) | 415 (60,200) | c | 415 (60,200) |
| L320 los yog X46 | 320 (46,400) | 435 (63,100) | c | 435 (63,100) |
| L360 los yog X52 | 360 (52,200) | 460 (66,700) | c | 460 (66,700) |
| L390 los yog X56 | 390 (56,600) | 490 (71,100) | c | 490 (71,100) |
| L415 los yog X60 | 415 (60,200) | 520 (75,400) | c | 520 (75,400) |
| L450 los yog X65 | 450 (65,300) | 535 (77,600) | c | 535 (77,600) |
| L485 los yog X70 | 485 (70,300) | 570 (82,700) | c | 570 (82,700) |
| a Rau cov qib nruab nrab, qhov sib txawv ntawm qhov tsawg kawg nkaus tensile zog thiab qhov tsawg kawg nkaus yield zog rau lub cev yeeb nkab yuav tsum yog raws li tau muab rau hauv lub rooj rau qib siab dua tom ntej.b Rau cov qib nruab nrab, qhov tsawg kawg nkaus tensile zog rau qhov weld seam yuav tsum yog tib tus nqi raws li tau txiav txim siab rau lub cev yeeb nkab siv cov lus hauv qab a).c Qhov tsawg kawg nkaus elongation,Af, qhia ua feem pua thiab puag ncig mus rau feem pua ze tshaj plaws, yuav tsum tau txiav txim siab siv cov qauv hauv qab no:
qhov twg C yog 1940 rau kev suav siv cov chav SI thiab 625,000 rau kev suav siv cov chav USC; Axc yog thaj tsam ntawm qhov kev sim tensile uas siv tau, qhia hauv square millimeters (square inches), raws li nram no: 1) rau cov khoom sim uas muaj qhov seem ncig, 130 mm2 (0.20 nti) rau cov khoom sim uas muaj qhov loj 12.7 mm (0.500 nti) thiab 8.9 mm (0.350 nti); 65 mm2 (0.10 nti) rau cov khoom sim uas muaj qhov loj 6.4 mm (0.250 nti); 2) rau cov khoom sim uas muaj tag nrho cov seem, qhov tsawg dua ntawm a) 485 mm2 (0.75 in.2) thiab b) thaj tsam ntawm cov khoom sim, uas tau los ntawm kev siv txoj kab uas hla sab nraud thiab qhov tuab ntawm phab ntsa ntawm cov yeeb nkab, yuav tsum tau muab sib npaug rau 10 mm2 (0.01 in.2); 3) rau cov khoom sim strip, qhov tsawg dua ntawm a) 485 mm2 (0.75 in.2) thiab b) thaj tsam hla ntawm daim khoom sim, tau los ntawm kev siv qhov dav tshwj xeeb ntawm daim khoom sim thiab qhov tuab ntawm phab ntsa tshwj xeeb ntawm cov yeeb nkab, puag ncig mus rau qhov ze tshaj plaws 10 mm2 (0.01 in.2); U yog lub zog tensile tsawg kawg nkaus uas tau teev tseg, qhia hauv megapascals (pounds ib square inch). | ||||
Sab nraud txoj kab uas hla, tawm ntawm qhov puag ncig thiab phab ntsa tuab
| Qhov Taub Sab Nraud D (hauv) | Kev kam rau siab, nti d | Kev kam rau sab nraud ntawm qhov sib npaug hauv | ||||
| Cov yeeb nkab tshwj tsis yog qhov kawg a | Qhov kawg ntawm cov yeeb nkab a, b, c | Cov yeeb nkab tshwj tsis yog qhov kawg a | Qhov Kawg ntawm Yeeb Nkab a, b, c | |||
| SMLS Yeeb Nkab | Cov Yeeb Nkab Welded | SMLS Yeeb Nkab | Cov Yeeb Nkab Welded | |||
| < 2.375 | -0.031 txog + 0.016 | – 0.031 txog + 0.016 | 0.048 | 0.036 | ||
| ≥2.375 txog 6.625 | 0.020D rau | 0.015D rau | ||||
| +/- 0.0075D | – 0.016 txog + 0.063 | D/t≤75 | D/t≤75 | |||
| Los ntawm kev pom zoo rau | Los ntawm kev pom zoo rau | |||||
| >6.625 txog 24.000 | +/- 0.0075D | +/- 0.0075D, tab sis siab tshaj plaws ntawm 0.125 | +/- 0.005D, tab sis siab tshaj plaws ntawm 0.063 | 0.020D | 0.015D | |
| >24 txog 56 | +/- 0.01D | +/- 0.005D tab sis siab tshaj plaws ntawm 0.160 | +/- 0.079 | +/- 0.063 | 0.015D rau tab sis siab tshaj plaws ntawm 0.060 | 0.01D rau tab sis siab tshaj plaws ntawm 0.500 |
| Rau | Rau | |||||
| D/t≤75 | D/t≤75 | |||||
| Los ntawm kev pom zoo | Los ntawm kev pom zoo | |||||
| rau | rau | |||||
| D/t≤75 | D/t≤75 | |||||
| >56 | Raws li tau pom zoo | |||||
| a. Qhov kawg ntawm cov yeeb nkab muaj qhov ntev li 4 nti ntawm txhua qhov kawg ntawm cov yeeb nkab. | ||||||
| b. Rau cov yeeb nkab SMLS, qhov kam rau ua siv rau t≤0.984in thiab qhov kam rau ua rau cov yeeb nkab tuab dua yuav tsum yog raws li tau pom zoo. | ||||||
| c. Rau cov yeeb nkab uas nthuav dav nrog D≥8.625in thiab rau cov yeeb nkab uas tsis nthuav dav, qhov kev kam rau siab ntawm txoj kab uas hla thiab qhov kev kam rau siab ntawm qhov sib txawv yuav raug txiav txim siab siv qhov kev xam sab hauv txoj kab uas hla lossis ntsuas sab hauv txoj kab uas hla es tsis yog OD uas tau teev tseg. | ||||||
| d. Txhawm rau txiav txim siab ua raws li qhov kam rau siab ntawm txoj kab uas hla, txoj kab uas hla ntawm cov yeeb nkab yog txhais tias yog qhov ncig ntawm cov yeeb nkab hauv txhua lub dav hlau ncig faib los ntawm Pi. | ||||||
| Phab ntsa tuab | Kev kam rau siab a |
| t nti | nti |
| SMLS yeeb nkab b | |
| ≤ 0.157 | -1.2 |
| > 0.157 txog < 0.948 | + 0.150t / – 0.125t |
| ≥ 0.984 | + 0.146 los yog + 0.1t, seb qhov twg loj dua |
| – 0.120 los yog – 0.1t, seb qhov twg loj dua | |
| Cov yeeb nkab vuam c, d | |
| ≤ 0.197 | +/- 0.020 |
| > 0.197 txog < 0.591 | +/- 0.1t |
| ≥ 0.591 | +/- 0.060 |
| a. Yog tias daim ntawv xaj yuav khoom qhia txog qhov kev kam rau siab rau phab ntsa tuab me dua li tus nqi siv tau uas tau muab rau hauv lub rooj no, qhov kev kam rau siab ntxiv rau phab ntsa tuab yuav tsum tau nce ntxiv los ntawm qhov ntau txaus kom tswj tau qhov kev kam rau siab siv tau. | |
| b. Rau cov yeeb nkab nrog D≥ 14.000 hauv thiab t≥0.984in, qhov kev kam rau siab ntawm phab ntsa hauv zos yuav tshaj qhov kev kam rau siab ntxiv rau qhov tuab ntawm phab ntsa los ntawm ntxiv 0.05t muab tias qhov kev kam rau siab ntxiv rau qhov hnyav tsis dhau. | |
| c. Qhov kev kam rau siab ntxiv rau phab ntsa tuab tsis siv rau thaj chaw vuam | |
| d. Saib tag nrho API5L spec kom paub meej ntxiv | |
Kev sim hydrostatic
Cov yeeb nkab yuav tsum tiv taus qhov kev sim hydrostatic yam tsis muaj kev xau los ntawm cov xov hlau lossis lub cev yeeb nkab. Cov khoom sib koom ua ke tsis tas yuav tsum tau sim hydrostatic yog tias cov ntu yeeb nkab siv tau sim tiav.
Kev sim khoov
Yuav tsum tsis muaj kab nrib pleb rau hauv ib feem ntawm daim ntawv xeem thiab yuav tsum tsis txhob muaj qhov qhib ntawm qhov vuam.
Kev sim ua kom tiaj tus
Cov qauv lees txais rau kev sim ua kom tiaj tus yuav tsum yog:
- Cov kav dej EW D<12.750 hauv:
- X60 nrog T 500in. Yuav tsum tsis txhob muaj qhov qhib ntawm qhov vuam ua ntej qhov kev ncua deb ntawm cov phaj tsawg dua 66% ntawm lub cheeb sab nraud thawj. Rau txhua qib thiab phab ntsa, 50%.
- Rau cov yeeb nkab uas muaj D/t > 10, yuav tsum tsis txhob muaj qhov qhib ntawm qhov vuam ua ntej qhov kev ncua deb ntawm cov phaj tsawg dua 30% ntawm lub cheeb sab nraud thawj.
- Rau lwm qhov ntau thiab tsawg saib tag nrhoAPI 5Lkev qhia tshwj xeeb.
Kev ntsuam xyuas CVN rau PSL2
Ntau qhov loj thiab qib ntawm cov yeeb nkab PSL2 xav tau CVN. Cov yeeb nkab tsis muaj qhov sib txuas yuav tsum tau kuaj hauv lub cev. Cov yeeb nkab vuam yuav tsum tau kuaj hauv lub cev, cov yeeb nkab vuam thiab thaj chaw kub. Saib tag nrhoAPI 5Lcov lus qhia tshwj xeeb rau daim ntawv qhia ntawm qhov loj me thiab qib thiab cov nqi zog uas yuav tsum tau nqus.
