Dab tsi yog qhov txawv ntawm API5L PSL1 thiab PSL2 steel yeeb nkab
API 5L yog tus qauv specification rau kab yeeb nkab siv rau kev thauj mus los ntawm cov roj, roj thiab lwm yam kua. Nws suav nrog ob yam khoom tshwj xeeb: PSL1 thiab PSL2. Muaj qhov sib txawv ntawm API 5L PSL1 thiabAPI5L PSL2. Feem ntau hais lus, PSL2 muaj cov cai nruj dua li PSL1.LEFIN STEELtuaj yeem tsim API5L PSL1 thiab API5L PSL2 steel yeeb nkab.
Hu rau: Nina Wang: 008618892236531(whtsapp)or nina@lefinsteel.com(Email)
Dab tsi ntawm cov yeeb nkab steel yog API5L STEEL PIPE
Qhov txawv
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Ntau
PSL1:Kev ua tau zoo thiab daim ntawv thov PSL1 yog tus qauv siv ntau tshaj plaws thiab yog tus qauv zoo rau kab yeeb nkab. Nws tsis yog nruj li PSL2 hais txog qhov zoo thiab cov khoom siv kho tshuab.
PSL2:PSL2 muaj qib siab dua thiab cov kev cai nruj dua. Nws yog siv rau hauv kev thov ntau dua uas xav tau kev ua haujlwm siab dua. Xyuas kom cov khoom siv kho tshuab zoo dua qub thiab kev ntsuas nruj dua.
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Tshuaj muaj pes tsawg leeg
PSL1:PSL1 muaj ntau yam tshuaj muaj pes tsawg leeg.
PSL2:Muaj cov txheej txheem tshuaj lom neeg nruj heev. Txwv cov ntsiab lus carbon thiab nruj me ntsis tswj qhov sib ntxiv ntawm lwm cov ntsiab lus. Xws li cov kev txwv siab tshaj plaws ntawm phosphorus thiab sulfur cov ntsiab lus los txhim kho weldability thiab txo qhov kev pheej hmoo ntawm sulfide kev nyuaj siab corrosion cracking.
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Kev xeem yuav tsum tau
PSL1:Cov kev ntsuas tseem ceeb, suav nrog cov qauv ntsuas tensile thiab ntsuas hydrostatic.
PSL2:
1. Charpy V-notch impact test,
2. Fracture toughness kuaj,
3. Kev kuaj tsis yog kev puas tsuaj (NDT): kev kuaj ultrasonic thiab kuaj hluav taws xob
4. Hydrostatictest
5. Kev txheeb xyuas cov tshuaj muaj pes tsawg leeg
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Traceability thiab Certification
PSL1:Basic traceability xav tau. Daim ntawv pov thawj tej zaum yuav tsawg dua.
PSL2:Txhim kho traceability los ntawm raw khoom mus rau cov khoom tiav. Cov ntaub ntawv pov thawj ntxaws ntxiv, suav nrog cov ntaub ntawv kho cua sov thiab cov txiaj ntsig kev sim
Qhov zoo rau PSL1
PSL1 cov kav dej muaj tsawg dua kev sim thiab cov kev xav tau zoo thiab feem ntau pheej yig dua.
PSL1 pipeline yog qhov tsim nyog rau kev siv ib puag ncig tsis yooj yim
Rau ntau daim ntawv thov txheej txheem, xws li kev thauj mus los hauv dej lossis kev thauj mus los ntawm cov roj thiab roj, PSL1 cov kav dej muab kev ua haujlwm txaus
Cov txheej txheem tsim khoom ntawm cov kav dej PSL1 yog qhov nyuaj thiab siv sijhawm ntev
PSL1 cov kav dej muaj tsawg dua qhov yuav tsum tau ua, xws li kev sim toughness, kev sim tsis muaj kev puas tsuaj thiab tshuaj lom neeg muaj pes tsawg leeg, txo tag nrho cov khoom tsim tawm thiab cov nqi tswj kom zoo.
Qhov zoo rau PSL2
PSL2 cov kav dej tau dhau los ua qhov kev sim nruj dua thiab kev tshuaj xyuas zoo
PSL2 cov kav dej feem ntau muaj zog tensile ntau dua thiab muaj zog tawm los.
PSL2 cov kav dej yuav tsum dhau qhov kev ntsuas nruj dua kom ua rau lawv haum rau qhov hnyav dua.
PSL2 cov kav dej yuav tsum dhau qhov kev ntsuas nruj dua kom ua rau lawv haum rau qhov hnyav dua.
PSL2 cov kav dej muaj qhov ua kom nruj dua, ua kom zoo dua thiab ua haujlwm zoo.
PSL2 suav nrog kev sim ntxiv rau cov cheeb tsam qaub, ua rau nws tiv taus ntau dua rau cov cheeb tsam corrosive.
Daim ntawv thov rau PSL1
PSL1 pipeline yog tsim rau kev thauj mus los ntawm cov roj, roj thiab dej nyob rau hauv ib puag ncig uas yuav tsum tau tsawg.
PSL1 pipelines feem ntau yog siv nyob rau hauv onshore pipeline systems nrog me me ib puag ncig tej yam kev mob thiab tsis tshua muaj kev xav tau.
PSL1 kav dej yog siv nyob rau hauv cov dej faib tshuab qhov twg siab thiab zoo raws li cov qauv.
PSL1 yeeb nkab yog qhov zoo tagnrho rau cov ntawv thov uas tsis cuam tshuam nrog kev kub siab, kub kub lossis corrosive ib puag ncig.
PSL1 yeeb nkab yog qee zaum siv rau hauv cov khoom siv uas cov yeeb nkab muaj zog thiab tawv tsis tshua muaj qhov tseem ceeb.
Daim ntawv thov rau PSL2
PSL2 pipelines yog siv nyob rau hauv qhov tseem ceeb, high-pressure roj thiab roj tsheb thauj mus los systems.
PSL2 cov raj xa dej yog qhov tseem ceeb rau cov kav dej sab nrauv, thiab cov kav dej yuav tsum tiv taus qhov hnyav hauv hiav txwv.
PSL2 cov kav dej yog siv los thauj cov roj acid lossis roj av uas muaj hydrogen sulfide (H2S) thiab yuav tsum muaj kev tiv thaiv corrosion siab.
PSL2 kav dej yog siv nyob rau hauv high-pressure thiab high-temperature systems uas yuav tsum tau txhim kho txhua yam khoom.
PSL2 cov kav dej yog tsim rau ib puag ncig uas muaj huab cua hnyav, salinity siab lossis lwm yam corrosive.
PSL2 pipelines yog siv rau cov txheej txheem uas muaj kev ntseeg siab thiab kev ua tau zoo yog qhov tseem ceeb.
PSL2 pipelines yog siv nyob rau hauv cov raj xa dej uas yuav tsum tau nruj kev nyab xeeb thiab cov qauv kev ua haujlwm.
PSL2 cov kav dej yog qhov zoo rau siv nyob rau hauv ib puag ncig uas muaj hydrogen sulfide nyob rau hauv vim lawv zoo toughness thiab tshuaj tsis kam.
Yuav xaiv li cas
API5L PSL1 los yog API5L PL2
Ntsuam xyuas Cov Kev Cai Thov
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Basic Application (PSL1):
Yog tias daim ntawv thov suav nrog cov qauv roj, roj lossis kev thauj mus los hauv dej thiab ib puag ncig thiab kev ua haujlwm tsis zoo. Piv txwv li: onshore pipelines, dej faib systems thiab lwm yam tsis tseem ceeb infrastructure.
Cov ntawv thov tseem ceeb (PSL2):
Yog tias daim ntawv thov xav tau kev ua haujlwm siab dua vim qhov hnyav ib puag ncig, kev kub ntxhov siab dua lossis cov qauv kev nyab xeeb nruj dua.
Piv txwv li: offshore pipelines, high pressure systems, qaub ib puag ncig thiab tseem ceeb infrastructure tej yaam num.
Ntsuas ib puag ncig tej yam kev mob
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Cov xwm txheej nruab nrab (PSL1):
Haum rau thaj chaw uas muaj huab cua ruaj khov, huab cua tsis zoo thiab tsis tshua muaj kev pheej hmoo corrosion.
Piv txwv li: thaj chaw uas muaj kev nyab xeeb me me, ib puag ncig tsis muaj corrosion thiab ruaj khov.
Cov xwm txheej nyuaj (PSL2):
Yuav tsum tau rau cov cheeb tsam uas muaj huab cua hnyav, siab salinity los yog lwm yam corrosive hais.
Piv txwv li: offshore installations, cheeb tsam arctic, thaj chaw siab siab thiab chemically aggressive ib puag ncig.
Xav txog qhov kub thiab txias
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Standard Pressure thiab Temperature (PSL1):
Tsim nyog rau cov ntawv thov uas muaj cov qauv kev ua haujlwm siab thiab kub.
Piv txwv li: General dej thiab roj pipelines, tsis-pressurized systems.
Kev kub siab thiab kub siab (pSL2):
Yuav tsum tau ua kom muaj kev kub siab thiab kub siab ua haujlwm kom ntseeg tau tias muaj kev nyab xeeb thiab nyab xeeb.
Piv txwv li: High-pressure oil thiab gas kis, refinery processes, thiab industrial pipelines.
Tshawb xyuas cov kev xav tau ntawm chemical thiab mechanical
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Standard Requirements (PSL1):
Muab ntau yam tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv kho tshuab, muab kev yooj yim rau kev siv tsis tseem ceeb.
Cov Lus Cog Tseg (PSL2):
Muab kev tswj nruj dua ntawm cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab, ua kom muaj kev ua tau zoo dua thiab ua haujlwm ntev.
Txiav txim siab txog nyiaj txiag thiab ncua sij hawm
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Kev txwv nyiaj txiag (psl1):
Feem ntau tsis tshua kim vim tsawg dua kev sim thiab kev tswj kom zoo.
High-Performance Requirements (pSL2):
Tus nqi siab dua vim kev sim nruj, tab sis qhov tseem ceeb rau cov ntawv thov uas xav tau kev ntseeg siab thiab kev nyab xeeb.
Hauv kev xaus, API 5L PSL2 steel yeeb nkab muaj qhov zoo dua thiab kev ua tau zoo dua piv rau PSL1. PSL2 piping yog siv rau kev thov ntau dua thiab tseem ceeb heev, thiab PSL1 piping yog tsim rau cov qauv kev pabcuam thiab cov ntawv thov tsawg dua. Koj tuaj yeem xaiv cov khoom koj xav tau raws li qhov project siv ib puag ncig, lub sijhawm xa khoom, tshuaj lom neeg thiab cov khoom siv lub cev.
