Z308 Pure nickel cam khwb cia hlau electrode GB / T 10044 EZNi-1 AWS ENi-Cl JIS DFCNi

APPLICATIONS:

Nws yog qhov tsim nyog rau kev vuam ntawm nyias daim ntawm cam khwb cia hlau welding thiab machining nto, xws li lub tog raj kheej taub hau, tseem ceeb grey cam khwb cia hlau cav blocks, iav thawv, thiab Tshuab Tool thiab sai sai.

CHARACTERISTIS:

TQZ308yog ntshiab nickel vuam core, muaj zog txo ntawm graphite hom txheej hlau qws.Nws tuaj yeem siv hauv AC thiab DC ob lub hom phiaj thiab yooj yim rau kev khiav lag luam.Thaum welding, nws tsis yog tsim nyog rau weldment rau preheat.Nws muaj kev ua haujlwm zoo tawg thiab kev ua haujlwm.

CEEB TOOM:

1. Ua ntej vuam, cov electrodes yuav tsum tau ci rau 1 teev nrog qhov kub ntawm 150 ± 10 ℃ ua ntej siv.
2 Nws tuaj yeem tshem tawm kev ntxhov siab ntawm vuam thiab tsis txhob tawg los ntawm hammering lub vuam seam.
3. Yuav kom txo tau cov impurity ntsiab nyob rau hauv lub hauv paus hlau nkag welding, nqaim dawb band dav, txhim kho tawg kuj thiab ua cov khoom, nws yuav tsum siv me me tam sim no vuam nyob rau hauv cam khwb cia hlau txias welding.

Chemical Composition ntawm cov deposited hlau (qhov loj feem): %

Vuam siv tam sim no: (AC, DC⁺)

Welding distortion kho:

Rau kev kho deformation nyob rau hauv lub xeev kub, kev kho kho tshuab thiab hammering yog nruj me ntsis txwv tsis pub nyob rau hauv qhov ntau ntawm xiav brittle kub (300 ℃ ~ 500 ℃) kom tsis txhob nkig tawg.

Ua tib zoo saib xyuas cov cai hauv qab no thaum cov nplaim hluav taws kub hauv zos

Nws tsis pom zoo kom rov ua cua sov ntawm tib qhov chaw kom tsis txhob muaj kev hloov pauv hauv cov qauv metallographic thiab cov khoom siv ntawm cov hlau.

Tsis txhob ua rau rov kho qhov nro thiab compression nyob rau tib qhov chaw.

Rau hardenable welded qhov chaw, watering thiab ceev ceev txias yog nruj me ntsis txwv tsis pub.

Vuam qhov chaw uas yuav tsum tau annealed yuav tsum tau kho ua ntej annealing kom tshem tawm kev ntxhov siab nyob rau hauv lub sij hawm annealing.Thaum lub sij hawm annealing, welded qhov chaw yuav tsum tau muab tso rau tsis tu ncua kom tsis txhob deform dua.

Cov nplaim hluav taws kub cua sov tuaj yeem yog 700 ℃ ~ 850 ℃ (fuchsia), thiab yuav tsum tsis pub tshaj 900 ℃ (ci liab) rau cov hlau tsis tshua muaj hlau.

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