API 5L PSL1 Qib B yog qhov feem ntau thiab dav tsim tshwj xeeb rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[siv: 1, citation: 4, citation: 6, citation: 10]. Qhov kev sib xyaw ua ke no sawv cev rau cov khoom ua haujlwm rau cov khoom loj - txoj kab uas hla kab siv thoob ntiaj teb, muab qhov sib npaug zoo ntawm lub zog, weldability, thiab tus nqi-effectiveness [citation:4, citation:10].
Lub npe "API 5L PSL1 Qib B Kauv Submerged Arc Yeeb Nkab" sib txuas cov khoom siv feem ntau siv qib (Qib B) nrog tus qauv PSL1 qib zoo, tsim los siv cov txheej txheem kev lag luam spiral vuam rau loj - txoj kab uas hla [citation: 4, citation: 8].
📋 Cov ntsiab lus tseem ceeb rau API 5L PSL1 Qib B 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 [citation: 1, citation: 2, citation: 3, citation: 4, citation: 5, citation: 7, citation: 8, citation: 10].
| Yam ntxwv | Kev piav qhia |
|---|---|
| Txuj | API 5L: "Specification for Line Pipe" (46th Edition, aligned with ISO 3183) [citation:4, citation:8]. |
| Khoom Specification Level | PSL1: Cov txheej txheem zoo rau cov kab yeeb nkab, nrog rau cov kev cai yooj yim (tsis muaj qhov yuav tsum tau kuaj xyuas, cov qauv chemistry txwv, lub zog tsawg kawg nkaus nkaus xwb) [citation: 4, citation: 8, citation: 10]. |
| Qib Steel | Qib B (L245): Covqib feem ntaunyob rau hauv API 5L specification, nrog yam tsawg kawg nkaus yield zog ntawm 35,000 psi (241 MPa) [citation: 3, citation: 4, citation: 8]. |
| ISO npe | L245[qhia: 3, citation: 4, citation: 5, citation: 8]. |
| Kev tsim khoom | Spiral (Helical) Submerged Arc Vuam (SSAW / HSAW): 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 [citation: 1, citation: 6, citation: 8, citation: 10]. |
| Chemical Composition (max %) [citation: 3, citation: 5, citation: 7, citation: 8, citation: 10] | Cov pa roj carbon (C):0.26-0.28% max Manganese (Mn):1.20% max Phosphorus (P):0.030% max Sulfur (S):0.030% max |
| Mechanical Properties (min) [citation: 3, citation: 4, citation: 5, citation: 7, citation: 8, citation: 9, citation: 10] | Yield zog:241-245 MPa (35,000-35,500 psi) Tensile zog:414-415 MPa (60,000-60,200 psi) |
| Hom Loj Ntau Yam [citation: 1, citation: 6, citation: 8, citation: 10] | Sab nraud txoj kab uas hla:219mm txog 4064mm (kwv yees . 8" rau 160") Phab ntsa Thickness:3.2mm txog 40mm (ntau ntau 5-26mm) Ntev:3 m rau 18 m txheem; mus txog 50 m muaj rau cov ntawv thov tshwj xeeb |
| Cov Kev Ntsuas Tseem Ceeb [citation: 2, citation: 7, citation: 10] | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj; hydrostatic test (txhua lub yeeb nkab); tsis yog- kuaj kev puas tsuaj (ultrasonic lossis X-ray ntawm vuam seam - qauv xyaum). Kev ntsuam xyuas cuam tshuam yogtsis xav taurau PSL1 . |
| Cov ntawv thov dav [citation: 1, citation: 4, citation: 6, citation: 8, citation: 10] | General roj thiab roj xa mus kav; kev xa dej mains; natural gas faib network; sib sau ua ke kab; kev siv cov txheej txheem (piling, kev txhawb nqa hauv paus); irrigation systems; industrial txheej txheem kav; qis mus rau nruab nrab - kev pabcuam kua dej. |
| 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 [citation: 1, citation: 6, citation: 8]. |
📊 API 5L PSL1 Qib B: Cov Khoom thiab Cov Lus Qhia
Tshuaj muaj pes tsawg leeg [citation: 3, citation: 5, citation: 7, citation: 8, citation: 10]
| Lub ntsiab | Specification | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.26-0.28% | Muab lub zog thaum tuav weldability |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.20% | Txhim khu lub zog thiab toughness |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.030% | Tightly tswj rau weldability |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030% | Tswj rau toughness thiab weld kev ncaj ncees |
Mechanical Properties [citation: 3, citation: 4, citation: 5, citation: 7, citation: 8, citation: 9, citation: 10]
| Khoom | Yam tsawg kawg nkaus |
|---|---|
| Yield zog | 241-245 MPa (35,000-35,500 psi) |
| Tensile zog | 414-415 MPa (60,000-60,200 psi) |
| Elongation | Nws txawv ntawm phab ntsa thickness (feem ntau ntau dua los yog sib npaug li 20%) |
📏 Dimensional Specifications
API 5L qhia txog cov kev kam rau siab hauv qab no rau cov kav dej SSAW [citation: 7, citation: 8, citation: 10]:
| 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 | Tsawg dua los yog sib npaug li 5 mm | ± 0.5 hli |
| 5mm mus rau 15mm | ±0.1t | |
| Loj dua los yog sib npaug li 15 mm | ± 1.5 hli | |
| Kev ncaj | Txhua qhov ntau thiab tsawg | Tsawg dua lossis sib npaug li 0.1% ntawm tag nrho qhov ntev |
| Ntev | Txuj | 6m, 9m, 12m (customizable) |
Standard Diameter Range:219mm txog 3620mm (8 "mus rau 142") [citation: 1, citation: 10]
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "PSL1 Qib B" txhais tau tias: Qhov kev qhia tshwj xeeb no suav nrog qib siab tshaj plaws (Qib B / L245) nrog rau qib PSL1 tus qauv zoo. Qhov tshwm sim yog ib lub yeeb nkab nrog241 MPa yam tsawg kawg nkaus tawm lub zoguas ua tau raws li qhov yuav tsum tau ua ntawm API 5L rau cov kev pabcuam dav dav dav dav [citation: 4, citation: 8].
Vim li cas Qib B thiaj li muaj ntau: Qib B muaj qhov sib npaug zoo ntawm cov khoom:
Muaj zog txaus(35 ksi tawm los) rau feem ntau nruab nrab - kev siv siab
Weldability zoo heevvim tswj chemistry
Muaj davlos ntawm manufacturers thoob ntiaj teb
Tus nqi -kev ua tau zoopiv rau qib siab dua - zog X- qib
Dual{0}} ntawv pov thawjFeem ntau muaj nrog ASTM A53 Gr B thiab ASTM A106 Gr B
PSL1 Cov yam ntxwv zoo[siv: 4, citation: 8, citation: 10]:
Chemistry: Txheem txwv raws li qhia saum toj no
Lub zog: Tsuas yog qhov tsawg kawg nkaus tawm los thiab lub zog tensile tau teev tseg
Kev ntsuam xyuas cuam tshuam: Tsis xav tau los ntawm tus qauv
Kev siv yam: Tsim nyog rau cov kev pabcuam dav dav hauv qhov chaw uas txhim kho toughness thiab kev tswj nruj dua tsis tsim nyog
SSAW Qhov Zoo rau Qib B: Cov txheej txheem welding yog qhov tshwj xeeb tshaj yog zoo - haum rau loj - txoj kab uas hla Qib B kav vim [citation:1, citation:6, citation:8, citation:10]:
Loj Loj Muaj peev xwm: Muaj peev xwm tsim cov kav dej mus txog 160 "inch
Nqi Efficiency: 20-30% tus nqi qis dua LSAW lossis seamless rau cov kab uas loj heev
Ntev ntev: Txog li 50m ntev txo cov kev xav tau ntawm kev vuam
Txoj kab uas hla Flexibility: Tib steel kauj tuaj yeem tsim ntau txoj kab uas hla los ntawm kev kho lub kaum sab xis
🏭 Daim Ntawv Thov thiab Kev Xaiv Qhov Tseeb
API 5L PSL1 Qib B SSAW kav yog qhov kev xaiv ua ntej rau ntau yam kev siv [citation: 1, citation: 4, citation: 6, citation: 8, citation: 10]:
| Daim ntawv thov | Vim li cas Qib B thiaj nyiam |
|---|---|
| Roj thiab roj kis tau tus mob | Muaj zog txaus rau nruab nrab - cov kab siab; zoo heev weldability |
| Kev xa dej Mains | Tus nqi - zoo rau loj - txoj kab uas hla hauv nroog cov dej num |
| Natural Gas Distribution | Ua tau raws li cov cai yuav tsum tau ua rau feem ntau cov tshuab xa tawm |
| Sib sau kab | Txhim khu kev ua tau zoo hauv kev ua haujlwm ntawm cov roj thiab roj |
| Kev siv tus qauv | Tsim nyog lub zog tawm los rau piling, choj kev txhawb nqa, hauv paus |
| Muaj Txheej Txheem Piping | Tau tshaj cov txheej txheem vuam txheej txheem; dav muaj |
| Irrigation Systems | Kev daws teeb meem kev lag luam rau loj -txoj kev thauj dej ua liaj ua teb |
🔧 Kev Tsim Kho Txheej Txheem rau API 5L PSL1 Qib B SSAW Yeeb Nkab
Cov txheej txheem tsim khoom ua raws li cov txheej txheem SSAW ntau lawm [citation: 1, citation: 8, citation: 10]:
Kev npaj raw khoom: Kub-rolled steel coils lub rooj sib tham API 5L Qib B chemistry yuav tsum tau leveled, tshuaj xyuas, thiab ntug-milled .
Kauv txoj kev: Cov hlau sawb txuas ntxiv tsim rau hauv cov duab cylindrical ntawm lub kaum ntse ntse tshwj xeeb ntawm chav tsev kub.
Submerged Arc Vuam: Ob chav -sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam nrog kev nkag mus rau tag nrho .
Tsis yog -Kev kuaj kev puas tsuaj: 100% ultrasonic lossis X-ray tshuaj xyuas ntawm cov vuam seam yog cov qauv kev coj ua.
Kev Ntsuas Hydrostatic: Txhua cov yeeb nkab ib leeg raug kuaj xyuas kom ntseeg tau tias muaj kev ntseeg siab.
Mechanical Testing: Kev ntsuam xyuas tensile, kev ntsuam xyuas flattening, thiab khoov kev ntsuam xyuas los xyuas cov khoom.
Xaus Xaus: Xaus npaj (dawb los yog beveled) rau welding [citation:2, citation:9].
Txheej: Xaiv cov txheej txheem sab nraud (FBE, 3LPE) thiab cov hlua sab hauv raws li xav tau [citation:8, citation:10].
📊 PSL1 Qib B vs. PSL2 Qib B Sib piv
Cov lus hauv qab no qhia txog qhov sib txawv tseem ceeb ntawm PSL1 thiab PSL2 rau Qib B, pab koj txiav txim siab seb qib twg tsim nyog rau koj qhov project [citation: 3, citation: 4, citation: 5, citation: 8, citation: 10]:
| Feature | API 5L PSL1 Qib B | API 5L PSL2 Qib B |
|---|---|---|
| Cov pa roj carbon (C) max | 0.26-0.28% | 0.22-0.24% |
| Sulfur (S) max | 0.030% | 0.015%(50% txo) |
| Phosphorus (P) max | 0.030% | 0.025% |
| Yield zog | 245 MPa min xwb | 245-450 MPa ntau |
| Tensile zog | 415 MPa min xwb | 415-655 MPa ntau |
| Yield ratio (Y/T) | Tsis tau teev tseg | Tsawg dua lossis sib npaug li 0.93 |
| Kev ntsuam xyuas cuam tshuam | Tsis xav tau | Yuav tsum tau(Ntau dua lossis sib npaug rau 27J @ 0 degree) |
| Carbon sib npaug | Tsis xav tau | Muab xam thiab tswj |
| Zoo tshaj rau | Kev pabcuam dav dav, kab dej, tsis yog - tseem ceeb | Kev pabcuam tseem ceeb, qis-kub, tswj kav kav dej |
| Tus nqi txheeb ze | Lub hauv paus | 10-20% siab dua |
📝 Cov ntsiab lus tseem ceeb
Tus nqi -Kev ua tau zoo: PSL1 Qib B muaj covtus nqi zoo tshajrau feem ntau daim ntawv thov pipeline. Tus nqi qis dua piv rau PSL2 yog qhov tsim nyog thaum txhim kho toughness thiab kev tswj nruj dua tsis tas yuav tsum tau ua.
Muaj: PSL1 Qib B yog qhovyooj yim tshaj plawsSSAW yeeb nkab specification, nrog luv luv txhuas lub sij hawm los ntawm loj manufacturers [citation:1, citation:6, citation:10].
Daim ntawv pov thawj dual: Ntau lub mills muab cov kav dej dual - ntawv pov thawj rauAPI 5L PSL1 Qib B, ASTM A53 Gr B, thiab ASTM A106 Gr B, muab kev yooj yim rau tej yaam num nrog ntau yam kev cai.
Thaum Xaiv PSL1 Qib B[siv: 4, citation: 10]:
General roj, roj, thiab dej kis tau tus mob ntawm nruab nrab siab
Tsis yog - daim ntawv thov tseem ceeb uas tsis tas yuav muaj kev ntsuam xyuas cuam tshuam
Cov phiaj xwm nrog kev txwv nyiaj txiag
Cov ntawv thov hauv huab cua sov (tsis muaj tsawg-kev txhawj xeeb txog qhov kub thiab txias)
Standard pipeline systems tsis raug rau cov kev cai tshwj xeeb
Thaum xaiv PSL2 Qib B[siv: 4, citation: 8]:
Tsawg- qhov kub thiab txias qhov kev pab cuam yuav tsum tau guaranteed tej yam khoom
Kev tswj kav dej (FERC, DOT, FEMSA kab)
Offshore thiab marine applications
Tseem ceeb infrastructure tej yaam num
Kev pabcuam qaub (nrog cov kev xav tau ntxiv)
Ua kom tiav Specification: Thaum xaj, qhia [citation:1, citation:10]:
API 5L PSL1, Qib B, SSAW (kauv welded), Loj (OD x WT), Ntev, Xaus Xaus
Cov txheej txheem txheej: [piv txwv li, liab qab, FBE, 3LPE]
Txhua yam kev xav tau ntxiv
📝 Cov ntsiab lus
API 5L PSL1 Qib B Kauv Submerged Arc Welded kavyog covfeem ntau, muaj dav, thiab tus nqi - xaiv tau zoorau loj- txoj kab uas hla kab siv thoob ntiaj teb [citation:1, citation:4, citation:6, citation:10]. Nrog yam tsawg kawg nkaus tawm lub zog ntawm241 MPa (35,000 psi), cov kav dej no muab cov khoom siv txhim khu kev qha ntawm Qib B nrog tus qauv PSL1 qib zoo, ua rau lawv tsim nyog rau ntau yam kev siv xws li roj thiab roj xa mus, dej mains, kev txhawb nqa, thiab cov kav dej [citation: 4, citation: 8].
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 tus nqi- cov txheej txheem tsim khoom SSAW tau zoo thaum ua tau raws li cov kev cai nruj ntawm API 5L specification [citation:1, citation:8, citation:10].
PSL1 Qib B yog qhovtus neeg ua haujlwm specificationrau kev pabcuam dav dav. Rau cov ntawv thov uas xav tau kev txhim kho toughness lossis kev tswj nruj dua, xav txog kev kho dua tshiab rauAPI 5L PSL2 Qib B[qhia: 4, citation: 8]. Thaum txiav txim, xyuas kom meej tias koj qhia meej cov qauv ua tiav, qib, qhov ntev, thiab cov txheej txheem txheej txheem raws li koj daim ntawv thov tshwj xeeb [citation:1, citation:10].
