API 5L PSL1 Qib X80 yog tus qauv thiab cov khoom lag luam muaj nyob rau hauv kev tsim Kauv Submerged Arc Welded (SSAW) steel kav. Qhov kev sib xyaw ua ke no yog muab los ntawm ntau lub tuam txhab thoob ntiaj teb rau qhov xav tau tshaj plaws, ultra- siab- siab ntev - cov kav xa hluav taws xob thiab roj av thiab lwm cov phiaj xwm tseem ceeb uas yuav tsum muaj lub zog ua lag luam siab tshaj plaws.
Lub npe "API 5L PSL1 Qib X80 Kauv Submerged Arc Yeeb Nkab" muab cov khoom lag luam siab tshaj plaws hauv cov kav dej steel qib (X80) nrog tus qauv PSL1 qib zoo, tsim los siv cov txheej txheem kev lag luam spiral vuam rau loj - txoj kab uas siv qhov siab tshaj plaws - rau - qhov hnyav piv yog qhov tseem ceeb.
📋 Cov ntsiab lus tseem ceeb rau API 5L PSL1 Qib X80 SSAW Yeeb Nkab
Cov lus hauv qab no qhia txog cov ntsiab lus tseem ceeb rau cov khoom no, raws li cov ntaub ntawv kev lag luam dav dav.
| Yam ntxwv | Kev piav qhia |
|---|---|
| Txuj | API 5L: "Specification for Line Pipe" (raws li ISO 3183). |
| Khoom Specification Level | PSL1: Cov txheej txheem zoo rau cov kab yeeb nkab, nrog cov kev cai yooj yim (txheej txheem chemistry txwv, qhov tsawg kawg nkaus lub zog tsuas yog teev, tsis muaj qhov yuav tsum tau kuaj xyuas). |
| Qib Steel | X80 (L555): Cov qib khoom lag luam siab tshaj plaws hauv API 5L specification. Qhov kev xaiv "X80" qhia qhov tsawg kawg nkaus tawm lub zog ntawm80,000 psi (552 MPa) . |
| ISO npe | L555 . |
| Kev tsim khoom | Spiral (Helical) Submerged Arc Vuam (SSAW/HSAW/SAWH): Ua los ntawm kub- dov steel coil, nrog cov vuam seam khiav tsis tu ncua nyob rau hauv ib tug kauv raws cov yeeb nkab ntev. Welded siv ob -sided tsis siv neeg submerged arc vuam . |
| ** Tshuaj muaj pes tsawg leeg (max %) ** | Cov pa roj carbon (C):0.26% max (rau PSL1 welded) Silicon (Si):0.45% max (tus qauv) Manganese (Mn):1.85% max Phosphorus (P):0.030% max Sulfur (S):0.030% max Nb+V+Ti:Tsawg dua lossis sib npaug li 0.15% tag nrho (thaum micro-alloyed) |
| ** Mechanical Properties (min) ** | Yield zog: 552-625 MPa (80,000-90,600 psi) Tensile zog: 621-758 MPa (90,000-110,000 psi) |
| ** Hom Loj Ntau ** | Sab nraud txoj kab uas hla:219mm txog 4064mm (kwv yees . 8" rau 160") Phab ntsa Thickness:3.2mm txog 40mm (hom ntau rau X80: 5-25.4mm) Ntev:3 m txog 18 m txheem; mus txog 50 m muaj rau cov ntawv thov tshwj xeeb |
| ** Cov Kev Ntsuas Tseem Ceeb ** | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj;100% hydrostatic kuaj(txhua lub raj); tsis yog-kev kuaj kev puas tsuaj ntawm vuam seam (ultrasonic lossis X-ray - qauv xyaum). Kev ntsuam xyuas cuam tshuam yogtsis yuamrau PSL1 . |
| **Cov ntawv thov siv ntau** | Ultra- siab- roj thiab roj xa mus kav; ntev - kab hauv kab uas yuav tsum tau muaj zog tshaj plaws; sib sau ua ke hauv kev xav tau ib puag ncig; pipeline chaw nres tsheb; siab -kev xa dej siab; kev siv qhov twg X70 lub zog tsis txaus. |
| Daim ntawv pov thawj | Mill Test Certificate feem ntau rauEN 10204 Hom 3.1los yog sib npaug, nrog API monogram muaj los ntawm cov ntawv tso cai mills. |
📊 API 5L PSL1 Qib X80: Tshuaj thiab Mechanical Properties
Tshuaj muaj pes tsawg leeg
| Lub ntsiab | PSL1 Specification (Welded) | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.26% | Muab lub zog thaum tuav weldability |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.85% | Siab manganese rau kev txhim kho lub zog |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.030% | Tswj rau weldability |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030% | Tswj rau toughness thiab weld kev ncaj ncees |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.45% (tus qauv) | Deoxidizer |
| Nb+V+Ti | Tsawg dua lossis sib npaug li 0.15% (tag nrho) | Micro-Alloying cov ntsiab lus rau kev ua kom zoo ntawm cov nplej |
Mechanical Properties
| Khoom | Yam tsawg kawg nkaus | Sau ntawv |
|---|---|---|
| Yield zog | 552 MPa (80,000 psi) | Yam tsawg kawg nkaus nkaus xwb (tsis muaj qhov txwv siab tshaj plaws rau PSL1) |
| Tensile zog | 621 MPa (90,000 psi) | Yam tsawg kawg nkaus nkaus xwb (tsis muaj qhov txwv siab tshaj plaws rau PSL1) |
| Elongation | Nws txawv ntawm phab ntsa thickness | Raws li API 5L cov cai (feem ntau ntau dua lossis sib npaug li 16%) |
📏 Dimensional Specifications
API 5L qhia txog cov kev kam rau ua hauv qab no rau SSAW kav:
| Parameter | Qhov Loj | Ua siab ntev |
|---|---|---|
| Sab nraud txoj kab uas hla | < 60.3 mm | -0.8 rau +0.4 mm |
| 60.3 hli mus rau 168.3 hli | ±0.0075D | |
| 168.3mm txog 610mm | ± 0.0075D (max ± 3.2 hli) | |
| 610mm txog 1422mm | ± 0.005D (max ± 4.0 hli) | |
| Phab ntsa Thickness | Txhua qhov ntau thiab tsawg | +15.0%, -12.5% |
| Kev ncaj | Txhua qhov ntau thiab tsawg | Tsawg dua lossis sib npaug li 0.1% ntawm tag nrho qhov ntev |
Standard Diameter Range:219mm txog 4064mm (8 "mus rau 160"). Rau X80 PSL1 SSAW, ib txwm loj - txoj kab uas hla siv cov kav dej los ntawm 508mm (20 ") mus txog 1422mm (56").
📊 Qhov twg X80 haum ntawm API 5L PSL1 Qib
X80 yog qhov zoo tshaj plaws kev lag luam muaj zog xaiv rau cov kev xav tau tshaj plaws hauv cov kav dej, muab qhov zoo tshaj plaws lub zog zoo tshaj cov qib qis:
| Qib | Tawm tswv yim (min, MPa) | Tensile (min, MPa) | Tus txheeb ze zog vs. X80 | Daim ntawv thov |
|---|---|---|---|---|
| B | 245 | 415 | -56% | Tsawg-kev sib sau ua ke, kev siv hluav taws xob |
| X42 | 290 | 415 | -47% | Sib sau ua ke, faib |
| X52 | 360 | 460 | -35% | General kis tau tus mob |
| X60 | 415 | 520 | -25% | High -siab kis |
| X65 | 450 | 535 | -18% | Siab -siab, offshore |
| X70 | 485 | 570 | -12% | Ntev -qhov deb siab -siab |
| X80 | 552 | 621 | Lub hauv paus | Ultra-siab- cov kab hauv siab, feem ntau xav tau daim ntawv thov |
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "PSL1 Qib X80" txhais tau tias: Qhov kev qhia tshwj xeeb no muab cov ultra- siab- lub zog X80 qib (552 MPa yam tsawg kawg nkaus tawm los) nrog tus qauv PSL1 qib zoo. Qhov tshwm sim yog ib lub yeeb nkab nrog552 MPa yam tsawg kawg nkaus yield zog- qhov khoom lag luam siab tshaj plaws - uas ua tau raws li qhov yuav tsum tau ua ntawm API 5L rau qhov kev xav tau tshaj plaws hauv cov kav dej.
Vim li cas thiaj xaiv PSL1 Qib X80?PSL1 Qib X80 tau teev tseg thaum:
Lub zog siab tshaj plaws - rau - qhov hnyav piv yog xav tau rau ultra- siab ua haujlwm siab
Ntev - kis tau tus mob yuav tsum optimized phab ntsa thickness thiab siab tshaj plaws cov ntaub ntawv txuag
Cov phiaj xwm yuav tsum muaj lub zog ua lag luam siab tshaj plaws (X80 yog qhov saum toj kawg nkaus ntawm tus qauv API 5L qib ntaiv)
Cov ntawv thov qhov twg X70 lub zog tsis txaus thiab X80 muab cov kev tsim qauv zoo tshaj plaws
General ultra-siab- kev pabcuam siab qhov kev ntsuas cuam tshuam tsis raug cai los ntawm cov cai
X80 vs. Qib qis: X80 muab kwv yees li14% siab tshaj tawm lub zog tshaj X70(552 MPa vs . 485 MPa),33% siab dua X60(552 MPa vs . 415 MPa), thiab125% siab dua Qib B(552 MPa vs . 245 MPa), ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ultra- siab- cov kab sib txuas uas cov qib qis yuav xav tau cov phab ntsa tuab heev.
PSL1 Cov yam ntxwv zoo :
Chemistry: Cov qauv txwv (C Tsawg dua lossis sib npaug rau 0.26%, Mn Tsawg dua lossis sib npaug rau 1.85%, S / P Tsawg dua lossis sib npaug li 0.030%)
Lub zog: Tsuas yog qhov tsawg kawg nkaus tawm los thiab lub zog tensile tau teev tseg (tsis muaj qhov txwv siab tshaj)
Kev ntsuam xyuas cuam tshuam: Tsis xav tau los ntawm tus qauv -qhov no yog qhov tseem ceeb tshaj qhov txawv ntawm PSL2
Kev siv yam: Haum rau kev dav dav ultra- siab- kev pabcuam xa hluav taws xob qhov chaw uas txhim kho toughness thiab kev tswj nruj dua tsis tsim nyog
PSL2 Lus Cim rau X80: Thaum PSL1 X80 muaj, ntau qhov loj X80 pipeline tej yaam num qhiaPSL2vim tias ultra-siab- lub zog steels feem ntau yuav tsum tau lav qhov tawv thiab nruj dua kev tswj cov tshuaj. PSL2 X80 muajcarbon Tsawg dua los yog sib npaug rau 0.12%, sulfur Tsawg dua los yog sib npaug rau 0.015%, thiab yuav tsum tau kuaj Charpy. Tus nqi them rau PSL2 feem ntau yog tsim nyog rau cov ntawv thov X80 tseem ceeb.
SSAW Qhov Zoo rau X80: Cov txheej txheem kauv vuam muaj cov txiaj ntsig tshwj xeeb rau cov kav loj - txoj kab uas hla, ultra- siab - cov kav dej muaj zog:
Loj Loj Muaj peev xwm: Kev lag luam tuaj yeem tsim cov kav dej mus txog 160 "txoj kab uas hla - SSAW yog tib txoj kev uas tuaj yeem tsim cov kab ntau dua 56" rau X80
Nqi Efficiency: 20-30% tus nqi qis dua LSAW rau cov kab loj loj
Ntev ntev: Txog li 50m ntev txo qhov kev xav tau ntawm kev vuam mus txog 40%
Kev Nyuaj Siab: 50-70℃kauv weld seam lub kaum sab xis tsim ua rau muaj kev ntxhov siab 30% qis dua cov yeeb nkab ncaj seam, ua rau nws tsim nyog rau kev sib kis siab
📝 PSL1 vs. PSL2 Sib piv rau X80 SSAW Pipe
Cov lus hauv qab no qhia txog qhov sib txawv tseem ceeb ntawm PSL1 thiab PSL2 rau X80, qhia tias vim li cas PSL2 feem ntau tau teev tseg rau cov phiaj xwm loj X80 cov kav dej:
| Feature | PSL1 Qib X80 | PSL2 Qib X80 | Qhov tseem ceeb |
|---|---|---|---|
| Cov pa roj carbon (C) max | 0.26% | 0.12% | 54% txo- zoo dua weldability, qis HAZ hardness |
| Sulfur (S) max | 0.030% | 0.015% | 50% txo- tseem ceeb rau toughness thiab HIC kuj |
| Phosphorus (P) max | 0.030% | 0.025% | Txhim kho toughness thiab weldability |
| Manganese (Mn) max | 1.85% | 1.85% | Zoo sib xws |
| Yield zog | 552 MPa min xwb | 552-690 MPa ntau | Tiv thaiv tshaj - cov ntaub ntawv muaj zog uas tuaj yeem ua rau muaj teeb meem vuam |
| Tensile zog | 621 MPa min xwb | 621-827 MPa ntau | Xyuas kom zoo ib yam mechanical zog |
| Yield ratio (Y/T) | Tsis tau teev tseg | Tsawg dua lossis sib npaug li 0.93 | Xyuas kom txaus ductility |
| Kev ntsuam xyuas cuam tshuam | Tsis xav tau | Yuav tsum tau(27-100J @ teev temp) | Guarantee qis -kub toughness rau cov ntawv thov tseem ceeb |
| Zoo tshaj rau | General ultra-siab- kev pabcuam siab uas tsis tas yuav tsum muaj kev kuaj xyuas | Cov kev pabcuam tseemceeb, ntev-kab kab hauv qhov deb, qis-kev siv kub, tswj kav kav dej |
🏭 Daim ntawv thov
API 5L PSL1 Qib X80 SSAW cov kav dej yog siv rau hauv cov kav dej uas xav tau tshaj plaws uas yuav tsum muaj lub zog siab tshaj plaws:
| Daim ntawv thov | Kev piav qhia | Vim li cas X80 thiaj xaiv |
|---|---|---|
| Ultra-High-Hloov Gas Transmission | Cov kab loj hauv lub cev yuav tsum tau ua haujlwm siab tshaj plaws (piv txwv li, 12 MPa thiab siab dua) | 14% siab zog tshaj X70 tso cai rau optimized phab ntsa thickness thiab siab tshaj plaws cov ntaub ntawv txuag |
| Ntev -Nkaus Kab Kab | Hla - lub teb chaws cov kav dej yuav tsum muaj zog tshaj plaws - rau - qhov hnyav piv | Ua kom cov phab ntsa nyias nyias rau kev muab siab, txo cov khoom siv thiab cov nqi tsheb thauj mus los |
| Sib sau Systems | Kev sib sau ua ke tseem ceeb hauv cov cheeb tsam xav tau | Hwm lub zog rau cov ntawv thov nyuaj tshaj plaws |
| Chaw nres tsheb thiab Header Piping | Saum - hauv av piping ntawm compressor / twj tso kua mis rau ultra-siab- kev pabcuam siab | Lub zog siab tshaj plaws rau cov txheej txheem tseem ceeb |
| Pipeline Chaw Piping | Cov khoom tseem ceeb ntawm cov twj tso kua mis thiab compressor chaw nres tsheb | Txhim khu kev qha txhua yam khoom rau kev pabcuam siab tshaj plaws |
📝 Cov ntsiab lus tseem ceeb
Thaum xaiv PSL1 Qib X80 :
General ultra-siab- kev pabcuam xa hluav taws xob uas X70 lub zog tsis txaus
Ntev - kis tau tus mob nyob deb yuav tsum tau lub zog siab tshaj plaws -rau - qhov hnyav piv
Cov ntawv thov nyob rau hauv huab cua sov uas qhov kev ntsuam xyuas cuam tshuam tsis raug cai los ntawm cov cai
Tus nqi - cov haujlwm tseem ceeb uas tus nqi PSL2 yuav tsis raug cai
Thaum xaiv PSL2 Qib X80 :
Tsawg- qhov kub thiab txias qhov kev pab cuam yuav tsum tau lav qhov cuam tshuam (arctic, huab cua txias ntawm -20℃txog -45 degree)
Sour kev pabcuam (H₂S ib puag ncig xav tau NACE MR0175 / ISO 15156 nrog S Tsawg dua lossis sib npaug li 0.002%)
Tseem ceeb heev - kab siab nyob rau hauv ib puag ncig rhiab heev
Kev ua raws cai (FERC, DOT, FEMSA kab, EU PED)
Offshore thiab deepwater daim ntaub ntawv yuav tsum tau guaranteed toughness
Tej yaam num uas yuav tsum tau toughness (DWTT, CTOD)
Cov kab hauv lub cev loj uas cov raj xa dej ncaj ncees yog qhov tseem ceeb
Daim ntawv ntsuam xyuas cuam tshuam: PSL1 uatsis yogxav tau Charpy qhov kev ntsuam xyuas los ntawm tus qauv. Txawm li cas los xij, rau daim ntawv thov X80, ntau qhov haujlwm qhia txog kev ntsuas qhov cuam tshuam raws li qhov yuav tsum tau ua ntxiv txawm tias cov khoom siv PSL1. Nco ntsoov xyuas qhov project specifications.
Sour Service Considerations: Rau H₂S- muaj ib puag ncig, X80 PSL2 yuav tsum muaj kev tswj hwm ntxiv, suav nrog sulfur Tsawg dua lossis sib npaug li 0.002%, kev ntsuas qhov tawv (tsawg dua lossis sib npaug li 248 HV10), thiab HIC/SSC kuaj ib NACE MR0175/ISO {{7}0 nrog sulfur% X8. feem ntautsis yoghaum rau kev pabcuam qaub.
Kev kho cua sov: Rau cov qib siab dua X42, API 5L xav kom cov vuam seam thiab tag nrho cov tshav kub cuam tshuam yuav tsum tau kho cua sov kom simulate ib qho kev kho cua sov. Qhov no ua kom cov khoom siv vuam zoo rau ultra- siab- lub zog X80 yeeb nkab.
International sib npaug: X80 muaj ntau qhov sib npaug thoob ntiaj teb:
TS EN ISO 3183 L555
GB/T 9711 L555 PSL1
CSA Z245.1 Qib 550
Ua kom tiav Specification: Thaum xaj, qhia meej:
API 5L PSL1, Qib X80, SSAW (spiral welded), Loj (OD x WT), Ntev, Xaus Xaus
Cov txheej txheem txheej: [piv txwv li, liab qab, 3LPE, FBE] nrog thickness specifications
Ib qho kev xav tau ntxiv (kev sim cuam tshuam yog tias xav tau, NDT ntxiv)
Daim ntawv pov thawj: EN 10204 Hom 3.1 lossis 3.2 raws li xav tau
🛡️ Txheej Options rau Corrosion Protection
API 5L PSL1 X80 kauv kav yuav muab tau nrog ntau yam txheej nyob ntawm daim ntawv thov ib puag ncig:
| Txheej hom | Zoo tshaj rau | Cov yam ntxwv tseem ceeb | Hom Thickness |
|---|---|---|---|
| 3LPE (3-txheej polyethylene) | Underground pipelines | Kev tiv thaiv corrosion zoo heev, muaj kev cuam tshuam zoo, adhesion zoo | 2.5-3.7 hli |
| FBE (Fusion Bonded Epoxy) | Roj & roj pipelines | Muaj zog adhesion, tshuaj tiv thaiv, du nto | 300-600 μm |
| 3LPP (3-txheej polypropylene) | Offshore pipelines | Kub kub tsis kam (txog 140 degree), zoo heev mechanical zog | 2.5-3.7 hli |
| Coal Tar Epoxy | Marine ib puag ncig | Tus nqi -zoo, siab noo noo tsis kam | 400-600 μm |
| Internal Epoxy txheej | Corrosive media | Txo kev sib txhuam, tiv thaiv corrosion, txhim kho kev khiav hauj lwm | 250-500 μm |
📝 Cov ntsiab lus
API 5L PSL1 Qib X80 Kauv Submerged Arc Welded kavyog covkev lag luam siab tshaj plaws muaj peev xwm xaiv tau rau ultra-siab- cov ntawv thov cov kav dej. Nrog yam tsawg kawg nkaus tawm lub zog ntawm552 MPa (80,000 psi)- kwv yees li14% siab dua X70thiab125% siab dua Qib B- cov kav dej no muaj lub zog kawg nkaus - rau - qhov hnyav piv rau qhov xav tau tshaj plaws ntawm cov roj thiab cov roj xa mus, cov kab ntev - cov kab hauv qab, thiab cov txheej txheem tseem ceeb uas yuav tsum muaj kev ua haujlwm siab tshaj plaws .
Muaj nyob rau hauv diameters los ntawm219mm txog 4000mmnrog phab ntsa thicknesses rau40 mmthiab ntev mus txog50m, cov kav dej no yog tsim los siv cov txheej txheem kev lag luam SSAW thaum ua tau raws li cov kev cai nruj ntawm API 5L specification.
PSL1 Qib X80 yog tsim raudav dav ultra-siab- kev pabcuam xa hluav taws xob hauv huab cua sovqhov twg lub zog siab tshaj plaws yog qhov muaj txiaj ntsig tab sis lav qis - qhov kub thiab txias tsis tas yuav tsum tswj kom nruj dua. Tus qauv PSL1 chemistry tso cai rau cov pa roj carbon ntau txog 0.26% thiab sulfur mus txog 0.030%, muab ultra-lub zog siab rau cov ntawv thov xav tau tshaj plaws.
Rau cov ntawv thov uas yuav tsum tau ua kom muaj zog ntawm qhov kub thiab txias, nruj dua kev tswj cov tshuaj lom neeg (tshwj xeeb tshaj yog cov pa roj carbon tsawg dua lossis sib npaug rau 0.12% thiab sulfur Tsawg dua lossis sib npaug li 0.015%), lossis muaj peev xwm ua haujlwm qaub, xav txog kev kho dua tshiab rauAPI 5L PSL2 Qib X80- uas yog cov lus qhia ntau dua rau cov phiaj xwm loj X80 kav dej.
Thaum txiav txim, xyuas kom meej koj qhiaAPI 5L PSL1 Qib X80, SSAW, nrog rau qhov yuav tsum tau muaj qhov ntev, phab ntsa thickness, ntev, qhov kawg tiav, thiab cov txheej txheem txheej raws li koj daim ntawv thov tshwj xeeb.
