API 5L Gr. B/X42 /X52 /X60 /X65 Psl2 Cov Yeeb Nkab Hlau Carbon Steel
| Cov Qib | API 5L Qib B, X42, X52, X56, X60, X65, X70, X80 |
| Qib Kev Qhia Tshwj Xeeb | PSL1, PSL2 |
| Sab nraud txoj kab uas hla | 1/2" txog 2", 3", 4", 6", 8", 10", 12", 16", 18", 20", 24" txog 40". |
| Tuab Teem Caij | SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, txog SCH 160 |
| Hom Kev Tsim Khoom | Seamless (Kub Dov thiab Txias Dov), Welded ERW (Hluav Taws Xob Tiv Thaiv Welded), SAW (Submerged Arc Welded) hauv LSAW, DSAW, SSAW, HSAW |
| Xaus Hom | Cov xaus beveled, Cov xaus tiaj tus |
| Qhov Ntev Ntau | SRL (Ib Leeg Random Ntev), DRL (Ob Chav Random Ntev), 20 FT (6 meters), 40FT (12 meters) lossis, kho kom haum |
| Cov kaus mom tiv thaiv | yas los yog hlau |
| Kev Kho Mob Nto | Ntuj, Varnished, Dub Pleev Xim, FBE, 3PE (3LPE), 3PP, CWC (Concrete Weight Coated) CRA Clad lossis Lined |
Cov yeeb nkab API 5L yog cov yeeb nkab hlau carbon uas siv rau hauv cov roj thiab cov roj xa mus. Nws kuj tseem siv los thauj lwm yam kua xws li pa dej, dej, thiab av nkos.
Cov lus qhia API 5L suav nrog ob hom kev tsim khoom welded thiab seamless.
Hom Welded: ERW, SAW, DSAW, LSAW, SSAW, HSAW Yeeb Nkab
Cov hom API 5L welded yeeb nkab feem ntau yog raws li hauv qab no:
ERW: Kev vuam hluav taws xob tsis kam siv rau cov yeeb nkab uas muaj txoj kab uas hla tsawg dua 24 nti.
DSAW/ SAWKev vuam ob sab submerged arc/submerged arc welding yog lwm txoj kev vuam uas siv tau hloov ERW rau cov yeeb nkab loj.
LSAWKev Siv Txoj Kev Vuam Uas Siv Txoj Kev Vuam Ntev Uas Muaj Qhov Dej Nyob Hauv Qab Ntev (Longitudinal Submerged Arc Vuam) siv rau cov yeeb nkab uas muaj txoj kab uas hla txog li 48 nti. Hu ua cov txheej txheem tsim JCOE.
SSAW/HSAW: Kev vuam siv txoj hlua khi uas muab kauv rau hauv qab nthab/kev vuam siv txoj hlua khi uas muab kauv rau hauv qab nthab txog li 100 nti.
Cov Yeeb Nkab Tsis Muaj Qhov Txuas: Cov Yeeb Nkab Tsis Muaj Qhov Txuas Kub thiab Cov Yeeb Nkab Tsis Muaj Qhov Txuas Txias
Cov yeeb nkab tsis muaj qhov txuas feem ntau yog siv rau cov yeeb nkab me me (feem ntau tsawg dua 24 nti).
(Cov yeeb nkab hlau tsis muaj qhov sib txuas feem ntau siv dua li cov yeeb nkab vuam rau cov yeeb nkab uas muaj txoj kab uas hla tsawg dua 150 hli (6 nti).
Peb kuj muaj cov yeeb nkab loj uas tsis muaj qhov txuas. Siv cov txheej txheem tsim khoom kub-kub, peb tuaj yeem tsim cov yeeb nkab tsis muaj qhov txuas txog li 20 nti (508 mm) hauv txoj kab uas hla. Yog tias koj xav tau cov yeeb nkab tsis muaj qhov txuas loj dua 20 nti hauv txoj kab uas hla, peb tuaj yeem tsim nws siv cov txheej txheem kub-nthuav dav txog li 40 nti (1016 mm) hauv txoj kab uas hla.
API 5L qhia txog cov qib hauv qab no: Qib B, X42, X46, X52, X56, X60, X65, X70, thiab X80.
Muaj ntau qib sib txawv ntawm cov hlau rau API 5L cov yeeb nkab hlau xws li Qib B, X42, X46, X52, X56, X60, X65, X70, thiab X80. Nrog rau kev nce qib ntawm cov hlau, kev tswj hwm cov pa roj carbon sib npaug yog qhov nruj dua, lub zog kho tshuab yog siab dua.
Tsis tas li ntawd, cov tshuaj lom neeg sib xyaw ntawm API 5L cov kav dej seamless thiab welded rau ib qib tshwj xeeb tsis zoo ib yam, cov kav dej welded muaj kev thov ntau dua thiab muaj cov pa roj carbon thiab sulfur tsawg dua.
Cov Tshuaj Lom Zem rau PSL 1 yeeb nkab nrog t ≤ 0.984” | |||||||
| Qib Hlau | Feem pua ntawm pawg,% raws li kev tshuaj xyuas cua sov thiab khoom a, g | ||||||
| C | Mn | P | S | V | Nb | Ti | |
| siab tshaj plaws b | siab tshaj plaws b | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | |
| Cov Yeeb Nkab Seamless | |||||||
| A | 0.22 | 0.9 | 0.03 | 0.03 | – | – | – |
| B | 0.28 | 1.2 | 0.03 | 0.03 | c, d | c, d | d |
| X42 | 0.28 | 1.3 | 0.03 | 0.03 | d | d | d |
| X46 | 0.28 | 1.4 | 0.03 | 0.03 | d | d | d |
| X52 | 0.28 | 1.4 | 0.03 | 0.03 | d | d | d |
| X56 | 0.28 | 1.4 | 0.03 | 0.03 | d | d | d |
| X60 | 0.28 e | 1.40 e | 0.03 | 0.03 | f | f | f |
| X65 | 0.28 e | 1.40 e | 0.03 | 0.03 | f | f | f |
| X70 | 0.28 e | 1.40 e | 0.03 | 0.03 | f | f | f |
| Cov Yeeb Nkab Welded | |||||||
| A | 0.22 | 0.9 | 0.03 | 0.03 | – | – | – |
| B | 0.26 | 1.2 | 0.03 | 0.03 | c, d | c, d | d |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | d | d | d |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | d | d | d |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | d | d | d |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | d | d | d |
| X60 | 0.26 e | 1.40 e | 0.03 | 0.03 | f | f | f |
| X65 | 0.26 e | 1.45 e | 0.03 | 0.03 | f | f | f |
| X70 | 0.26e | 1.65 e | 0.03 | 0.03 | f | f | f |
| ib. 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 < L485 lossis X70; thiab txog li ntawm 2.00% rau qib L485 lossis X70., | |||||||
| c. Tshwj tsis yog tias pom zoo lwm yam NB + V ≤ 0.06%, | |||||||
| d. Nb + V + TI ≤ 0.15%, | |||||||
| e. Tshwj tsis yog tias tau pom zoo lwm yam., | |||||||
| f. Tshwj tsis yog tias pom zoo lwm yam, NB + V = Ti ≤ 0.15%, | |||||||
| g. Tsis pub ntxiv B ntxiv thiab B seem ≤ 0.001% | |||||||
| Cov Tshuaj Lom Zem rau PSL 2 yeeb nkab nrog t ≤ 0.984” | |||||||||||||||||||||
| Qib Hlau | Feem pua ntawm pawg,% raws li kev tshuaj xyuas cua sov thiab khoom | Carbon Equiv a | |||||||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Lwm yam | CE IIW | CE Pcm | |||||||||||
| siab tshaj plaws b | siab tshaj plaws | siab tshaj plaws b | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | ||||||||||||
| Cov Yeeb Nkab Seamless thiab Welded | |||||||||||||||||||||
| BR | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | c | c | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X42R | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| BN | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | c | c | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X42N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X46N | 0.24 | 0.4 | 1.4 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 | ||||||||||
| X52N | 0.24 | 0.45 | 1.4 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 | ||||||||||
| X56N | 0.24 | 0.45 | 1.4 | 0.025 | 0.015 | 0.10f | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 | ||||||||||
| X60N | 0.24f | 0.45f | 1.40f | 0.025 | 0.015 | 0.10f | 0.05f | 0.04f | g, h, l | Raws li tau pom zoo | |||||||||||
| BQ | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X42Q | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X46Q | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X52Q | 0.18 | 0.45 | 1.5 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X56Q | 0.18 | 0.45f | 1.5 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X60Q | 0.18f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X65Q | 0.18f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X70Q | 0.18f | 0.45f | 1.80f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X80Q | 0.18f | 0.45f | 1.90f | 0.025 | 0.015 | g | g | g | kuv,j | Raws li tau pom zoo | |||||||||||
| X90Q | 0.16f | 0.45f | 1.9 | 0.02 | 0.01 | g | g | g | j,k | Raws li tau pom zoo | |||||||||||
| X100Q | 0.16f | 0.45f | 1.9 | 0.02 | 0.01 | g | g | g | j,k | Raws li tau pom zoo | |||||||||||
| Cov Yeeb Nkab Welded | |||||||||||||||||||||
| BM | 0.22 | 0.45 | 1.2 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X42M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X46M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 | ||||||||||
| X52M | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | d | d | d | e,l | 0.43 | 0.25 | ||||||||||
| X56M | 0.22 | 0.45f | 1.4 | 0.025 | 0.015 | d | d | d | e,l | 0.43 | 0.25 | ||||||||||
| X60M | 0.12f | 0.45f | 1.60f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X65M | 0.12f | 0.45f | 1.60f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X70M | 0.12f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 | ||||||||||
| X80M | 0.12f | 0.45f | 1.85f | 0.025 | 0.015 | g | g | g | kuv,j | .043f | 0.25 | ||||||||||
| X90M | 0.1 | 0.55f | 2.10f | 0.02 | 0.01 | g | g | g | kuv,j | – | 0.25 | ||||||||||
| X100M | 0.1 | 0.55f | 2.10f | 0.02 | 0.01 | g | g | g | kuv,j | – | 0.25 | ||||||||||
| a. SMLS t>0.787”, CE cov kev txwv yuav tsum yog raws li tau pom zoo. Cov kev txwv CEIIW siv rau fi C> 0.12% thiab cov kev txwv CEPcm siv rau yog tias C ≤ 0.12%, | |||||||||||||||||||||
| b. Rau txhua qhov kev txo qis ntawm 0.01% qis dua qhov siab tshaj plaws rau C, kev nce ntawm 0.05% siab dua qhov siab tshaj plaws rau Mn yog 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 < L485 lossis X70; txog li ntawm 2.00% rau qib ≥ L485 lossis X70, tab sis ≤ L555 lossis X80; thiab txog li ntawm 2.20% rau qib > L555 lossis X80., | |||||||||||||||||||||
| c. Tshwj tsis yog tias tau pom zoo lwm yam Nb = V ≤ 0.06%, | |||||||||||||||||||||
| d. Nb = V = Ti ≤ 0.15%, | |||||||||||||||||||||
| e. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50%; Ni ≤ 0.30% Cr ≤ 0.30% thiab Mo ≤ 0.15%, | |||||||||||||||||||||
| f. Tshwj tsis yog tias tau pom zoo lwm yam, | |||||||||||||||||||||
| g. Tshwj tsis yog tias tau pom zoo lwm yam, Nb + V + Ti ≤ 0.15%, | |||||||||||||||||||||
| h. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% thiab MO ≤ 0.50%, | |||||||||||||||||||||
| i. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% thiab MO ≤ 0.50%, | |||||||||||||||||||||
| j. B ≤ 0.004%, | |||||||||||||||||||||
| k. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% thiab MO ≤ 0.80%, | |||||||||||||||||||||
| l. Rau txhua qib yeeb nkab PSL 2 tshwj tsis yog cov qib uas muaj cov lus hauv qab j sau tseg, cov hauv qab no siv tau. Tshwj tsis yog tias pom zoo lwm yam tsis pub ntxiv B thiab seem B ≤ 0.001%. | |||||||||||||||||||||
| PSL | Kev Xa Khoom | Qib yeeb nkab |
| PSL1 | Raws li dov, normalized, normalizing tsim | A |
| Raws li dov, normalizing dov, thermomechanical dov, thermo-mechanical tsim, normalizing tsim, normalized, normalized thiab tempered lossis yog tias pom zoo Q&T SMLS xwb | B | |
| Raws li dov, normalizing dov, thermomechanical dov, thermo-mechanical tsim, normalizing tsim, normalized, normalized thiab tempered | X42, X46, X52, X56, X60, X65, X70 | |
| PSL 2 | Raws li dov | BR, X42R |
| Normalizing dov, normalizing tsim, normalized lossis normalized thiab tempered | BN, X42N, X46N, X52N, X56N, X60N | |
| Txias thiab tempered | BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q | |
| Thermomechanical dov los yog thermomechanical tsim | BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M | |
| Thermomechanical dov | X90M, X100M, X120M | |
| Qhov txaus (R, N, Q lossis M) rau PSL2 qib, yog rau qib hlau |
PSL1 thiab PSL2 txawv ntawm qhov kev sim thiab lawv cov khoom siv tshuaj lom neeg thiab cov khoom siv kho tshuab.
PSL2 nruj dua li PSL1 hauv kev sib xyaw ua ke ntawm cov tshuaj lom neeg, cov khoom tensile, kev sim cuam tshuam, kev sim tsis puas tsuaj thiab lwm yam.
Kev Ntsuas Kev Cuam Tshuam
Tsuas yog PSL2 xwb thiaj li yuav tsum tau kuaj xyuas qhov cuam tshuam: tshwj tsis yog X80.
NDT: Kev Ntsuas Tsis Ua Rau Puas Tsuaj. PSL1 tsis tas yuav tsum tau kuaj tsis ua rau puas tsuaj yog tias txo qhov kev ntsuas tsis ua rau puas tsuaj. PSL2 ua li ntawd.
(Kev sim tsis puas tsuaj: Kev sim tsis puas tsuaj thiab kev sim hauv tus qauv API 5L siv cov duab xoo hluav taws xob, ultrasonic, lossis lwm txoj kev (tsis rhuav tshem cov khoom) los nrhiav cov qhov tsis zoo thiab qhov tsis zoo hauv cov kav dej.)
Kev ntim khoom yogfeem ntau liab qab, hlau xaim khi, heevmuaj zog.
Yog tias koj muaj cov kev xav tau tshwj xeeb, koj tuaj yeem sivkev ntim khoom tsis xeb, thiab zoo nkauj dua.
Cov kev ceev faj rau kev ntim khoom thiab kev thauj mus los ntawm cov kav hlau carbon
1.API 5L Cov Yeeb Nkab Hlauyuav tsum tau tiv thaiv los ntawm kev puas tsuaj los ntawm kev sib tsoo, extrusion thiab txiav thaum lub sijhawm thauj mus los, khaws cia thiab siv.
2. Thaum tuav cov kav hlau carbon Koj yuav tsum tau ua tib zoo saib xyuas qhov tawg, hluav taws, lom thiab lwm yam xwm txheej, thiab ua raws li cov txheej txheem kev nyab xeeb.
3. Thaum siv,Cov hlau carbon API 5L Yeeb Nkabyuav tsum tsis txhob kov cov khoom kub thiab txias, cov khoom siv corrosive, thiab lwm yam. Yog tias siv rau hauv cov chaw ib puag ncig no, cov kav hlau carbon ua los ntawm cov khoom siv tshwj xeeb xws li kev tiv taus kub thiab kev tiv taus corrosion yuav tsum tau xaiv.
4. Kev xaiv cov yeeb nkab carbon steel yuav tsum yog cov khoom siv thiab cov lus qhia tshwj xeeb raws li cov yam ntxwv dav dav suav nrog kev siv ib puag ncig, qhov nruab nrab, siab, kub thiab lwm yam.
5. Yuav tsum tau kuaj xyuas thiab sim ua ntej siv cov yeeb nkab carbon steel los ua pov thawj tias nws zoo raws li tus qauv.
Kev Thauj Mus Los:Kev Xa Khoom Sai (Xa Khoom Qauv), Huab Cua, Tsheb Ciav Hlau, Av, Kev Thauj Khoom Hiav Txwv (FCL los yog LCL los yog ntau)
Q: Puas yog lub chaw tsim khoom ua?
A: Yog, peb yog cov chaw tsim khoom siv raj hlau uas nyob hauv lub zos Daqiuzhuang, lub nroog Tianjin, Suav teb.
Q: Kuv puas tuaj yeem muaj kev txiav txim sim tsuas yog ob peb tons xwb?
A: Tau kawg. Peb tuaj yeem xa cov khoom thauj rau koj nrog LCL servivece. (Tsawg dua lub thawv thauj khoom)
Q: Yog tias cov qauv dawb?
A: Qauv pub dawb, tab sis tus neeg yuav khoom them rau cov khoom thauj.
Q: Koj puas yog tus neeg muag khoom kub thiab ua kev lag luam lav?
A: Peb muaj 13 xyoos kev muag khoom kub thiab lees txais kev lees paub kev lag luam.











