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Muaj Zog Lub Zog Hlau Hlau Sm490

Cov khoom lag luam piav qhia thaum ua siab high - lub zog steel phaj sm490, cov xwm txheej hauv qab no yuav tshwm sim vim nws qhov kev sib xyaw tsawg} - lub zog yam ntxwv. Nkag siab txog cov teeb meem no thiab sib raug kev sib raug zoo yog qhov tseem ceeb rau kev ua kom ua tau zoo thiab ua tau zoo: 1 ....

Hauj lwm lawm

Cov khoom lag luam

 

 

 

Thaum ua cov siab - lub zog steel phaj sm490, cov xwm txheej hauv qab no yuav tshwm sim vim nws qhov qis {{- lub zog cuam tshuam. Nkag siab txog cov teeb meem no thiab sib raug kev sib raug zoo yog qhov tseem ceeb rau kev ua kom zoo thiab ua tau zoo:

1. VUAM -} Cov Teeb Meem

Muaj teeb meem muaj teeb meem

Txias tawg (hydrogen inducts cracking)

Kev kom: Hardness ntawm cov cua sov -} Cov ntsiab lus cuam tshuam los ntawm Vuam cov ntsiab lus lossis noo noo.

Yam txaus ntshai: Tuab phaj phaj tuab, siab txwv thaum lub sij hawm vuam, lossis tsis txaus preheating.

Weld Hlau Brittleness

Kev kom: Cov qauv vuam tsis raug (piv txwv li, tus nqi txias txias) ua rau ntxhib {2} nplej moture hauv weld lossis haz.

Weld deformation

Kev kom: High Rigidity ntawm SM490 yuav ua rau muaj kev ntxhov siab thiab ua rau lub sijhawm vuam, tshwj xeeb tshaj yog nyob rau hauv cov khoom loj.

Cov kev daws teeb meem

Preheating thiab post - Weld Kev Kho Tshav Kub (PWHT)

Preheat rau 80-150℃(nyob ntawm cov tuab thiab cua sov) kom txo qis txias thiab hydrogen diffusion.

PWHT ntawm 550-650℃rau cov kab tuab los ua kom txhob muaj kev ntxhov siab nyob rau thiab txhim kho kev ntxhov siab.

 

 

 

 

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Ua theem Kev pheej hmoo tseem ceeb Kev Tiv Thaiv Txoj Kev
Vuam Txias tawg, deformation Preheating, qis - hydrogen consumabables, pwht
Khaub Tawv Nrib pleb, ua haujlwm hardening Txoj kev ua kom tau zoo li hluav taws xob vojvoog, preheating, kauj ruam kev sib sau
Machining / Txiav Tuam kev hnav, cua sov tiam Carbide cov cuab yeej, txias txias, ntshav / laser txiav
Kev Cia / Tiv Thaiv Kev ua cev tub Anti - xeb pleev xim, qhuav cia

 

 

 

 

 

 

Vim li cas thiaj xaiv peb?
Peb zoo siab rau peb lub peev xwm muab cov kev daws teeb meem rau peb cov neeg siv khoom xav tau.
Peb txheeb xyuas thiab muab cov khoom siv dhau los thiab cov txheej txheem txheej txheem tam sim no ntawm peb lub zog siab steel phaj sm490, thiab txhim kho cov kev tshwj xeeb thiab cov txheej txheem tshiab.
Peb cov neeg muas zaub ntseeg peb kom xa cov siab -}} rolled steel khoom raws sijhawm thiab ntawm pob nyiaj.
Peb nruj me ntsis siv cov cua sov thiab txawj xav tom qab {{0} Kev pabcuam muag khoom, ua raws li kev coj ua zoo.
Peb muab ntau yam txias - rolled steel khoom kom tau raws li cov neeg yuav khoom sib txawv.
Peb ua raws li cov qhua tuaj noj mov - centric thiab hom - Cov khoom lag luam uas ntseeg tau thiab cov kev pabcuam zoo.
Peb lub Hoobkas tau cog lus los txhawb cov qauv siab tshaj plaws ntawm kev nyab xeeb thiab kev ua tau zoo.
Txhua tus neeg ua haujlwm ntawm peb lub tuam txhab thiab txhua lub tsev ua haujlwm ua haujlwm ua ke los ua haujlwm ua lag luam, kev kawm txuj ci thiab kev kawm paub tseeb.
Peb txias - rolled steel khoom yog paub rau lawv cov kav ntev thiab kev ntseeg tau.
Cia siab rau cov kev mob siab tshaj thiab muaj zog ntawm cov pawg ntau lawm, peb muaj peev xwm ua tau raws li cov kev xav tau ntawm peb cov neeg siv khoom.

Cim npe nrov: Lub Zog Siab Steel Phaj Sm490, Tuam Tshoj Siab Loj Hlau Hlau phaj Sm490 Cov Chaw Muag Khoom, Hoobkas

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