Normalized Rolled (n) Steel Phaj Rau Pipelines
Vim li cas thiaj li teev cov hlau daim phiaj rau nruab nrab -} qis cov kab yeeb nkab raug
Nruab nrab - Cov kav dej qib steel qis-}}}}}} xav tau nyiaj tshuavTougness, Weldability, thiab tus nqi - ua hauj lwm zooCov. Tsis zoo li siab - qib sam thiaj (piv txwv li cov roj lossis siab}} qhov siab muaj zog thaum lub sij hawm kev teeb tsa, siab lossis cuam tshuam me.
Rau cov ntawv thov no, cov khoom siv yuav tsum tawm tsam kev tawg nyob rau hauv qab nrawm thaum tswj kev ruaj ntseg weld pob qij txha. NUMPTIZED Rolled steel daim hlau tau ua kom tau raws li cov kev xav tau no, hais txog cov tub ntxhais kev ua haujlwm steel nyob rau hauv nruab nrab-} qis cov yeeb nkab yeeb nkab ntau lawm.
Kev tshawb fawb ntawm ib txwm: kho cov txheej txheem & kev ua tau zoo
Normanization yog ib qho kev kho cua sov kev kho kom zoo rau cov hlau ua kom huv cov roj micructure -tsis yog cia li "cua sov saum toj no tseem ceeb tshaj plaws," tab sis ib lub voj voog tswj tau los ua kom zoo nyuaj:
AUSTENITY
Steel phiaj yog rhuab rau30-50 Qib siab dua lawv cov Austenitic Kub(feem ntau 880-920℃rau cov raj xa dej qib). Qhov no ua kom txhua qhov kev hloov pauv tag nrho rau cov khoom siv hauv lub austenite, tshem tawm cov kev ntxhov siab thiab ua kom muaj kev ntxhov siab.
Siav
Daim hlau tau tuav ntawm qhov kub no kom ntseeg tau tias muaj cua sov sov los ntawm cov thickness, tseem ceeb rau kev ua kom zoo ib yam {{0}- Kev Kho Mob.
Cua Txias
Qeeb, ambient txias hloov Austenite mus rau hauv nplua {}} {1} {kua hlawsite, nrog cov nplej ntau dhau losASTM 8-10(Coarser tshaj TMCP Hlau's 10 - 12 tab sis zoo tagnrho rau ib nrab qib xav-tawm tsam kev sib npaug ntawm kev sib npaug thiab weldability).
Tougness: Cim tawm tsam cov qauv kev lag luam
Tsis zoo li vague "Kev cuam tshuam siab cuam tshuam lub zog" thov, peb cov phiaj xwm uas niaj hnub hloov tau ntsuas tau:
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Ntawm 0 Qib (qhov ntsuas kub (qhov ntsuas kub rau API 5L X42), Charpy V- Nwgt cuam tshuam lub zog nruab nrab35-45 J-}}}}}}}}}}}}}}}}} qhov yuav tsum tau ntawm 27 J rau x42 los ntawm 30-67%.
- Nyob rau hauv chav tsev kub, cuam tshuam lub zog ncav cuag50-60 J, kom ntseeg taukev muaj zognyob rau hauv tiag - ntiaj teb cov xwm txheej.
Rau nruab nrab - Qhov ntawv thov tsawg tshaj plaws pipeline
Normalized cov paib sib dhos nrog cov cim tshwj xeeb ntawm cov dej thiab cov roj kev kis tau cov dej hluav taws xob zoo nkauj:
01
Txhim Kho Kev Yooj Yim
Qhov ua tau zoo los ntawm ib txwm ua kom cov kav dej tuaj yeem tiv thaiv cov khoom nruab sab nraud thiab kev ua haujlwm, txo qhov kev pheej hmoo ntawm cov kab nrib pleb thiab dej xau.
02
Ruaj Vag Vag Veldability
Nrog carbon sib npaug (CE) nruj me ntsis tswj hauv qab no0.45%(Per EN 10025 Cov Qauv), tus nplua- nplej teeb minits thiab ua ke tseem ceeb rau kev ua kom muaj kev ncaj ncees ntawm cov raj xa hluav taws xob.
03
Nqi -} Kev ua tau zoo
Thaum muab cov phiaj loj dua qub, ua cov ntawv sau ua kom ruaj khov nyob rau nruab nrab - Cov ntawv tso cai qib qis, muab ib qho kev sib tw qib qis thiab raug nqi.
Promisteel cov lus cog tseg rau qhov zoo
Ntawm Promisteel
Txhim Kho Txheej Txheem Tswj
Kev sim nruj
Cov Ntau Lawm
Xaiv PROMISTEEL lub cev rolled steel daim hlau rau koj nruab nrab {{}}}}}}} Qhov kev ntseeg tau, ua tau zoo, thiab sib xws.
Cim npe nrov: Normalized Rolled (n) Steel Phaj Rau Pipelines, Tuam Tshoj Rolled (n) Steel Hlau Rau Cov Pipelines Manufacturers, Lwm tus neeg
Koj Tseem Yuav Zoo Li
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