Jan 12, 2024 Tso lus

Q690D steel phaj khoom cov ntsiab lus qhia

Q690D Daim Ntawv Thov: Vim tias Q690D siab zog steel phaj muaj lub zog zoo heev, tawv thiab hnav tsis kam, nws yog dav siv hauv kev tsim kho, tshuab, nkoj, tsheb thiab lwm yam. Hauv kev tsim kho, nws tuaj yeem siv los tsim cov qauv thiab cov khoom thauj khoom ntawm cov tsev siab siab; nyob rau hauv lub tshav pob ntawm machinery, nws yuav siv tau los tsim thav duab thiab txhawb cov qauv ntawm ntau yam hnyav machinery; nyob rau hauv lub tshav pob ntawm shipbuilding, nws yuav siv tau los tsim cov qauv hull thiab cabin txhawb nqa; nyob rau hauv lub tshav pob ntawm tsheb, nws tuaj yeem siv los tsim cov qauv ntawm lub cev thiab cov qauv txhawb nqa thiab lwm yam. Tsis tas li ntawd, Q690D kuj tseem siv tau los tsim cov khoom uas yuav tsum tau hnav tsis kam, xws li hnav-resistant daim hlau rau cov tshuab mining.

 

Q690D kev kho cua sov: Q690D siab zog steel phaj tuaj yeem kho cua sov los txhim kho nws cov khoom siv thiab kev ua haujlwm. Feem ntau siv cov kev kho cua sov xws li annealing, normalising, quenching thiab tempering. Annealing tuaj yeem tshem tawm kev ntxhov siab, txhim kho kev ua haujlwm ntawm kev txiav thiab ua kom lub koom haum zoo sib xws; normalizing tuaj yeem kho cov nplej thiab txhim kho lub toughness ntawm cov khoom; quenching tuaj yeem ua rau muaj zog thiab tawv, tab sis nws yuav ua rau cov khoom tawg; tempering yuav tshem tawm cov brittleness tshwm sim los ntawm quenching, thaum ntxiv txhim kho lub zog thiab hardness. Raws li cov ntawv thov sib txawv, cov txheej txheem kho cua sov tsim nyog tuaj yeem raug xaiv los ua kom zoo dua ntawm Q690D.

 

Q690D weldability thiab workability: Q690D siab zog steel phaj muaj weldability zoo thiab tuaj yeem txuas tau los ntawm ntau txoj kev vuam. Nws kuj muaj cov machinability zoo thiab tuaj yeem raug ua haujlwm xws li txiav, drilling thiab milling. Txawm li cas los xij, vim nws cov ntsiab lus carbon siab, vuam yuav tsum tau saib xyuas rau preheating thiab tom qab vuam kev kho cua sov kom tsis txhob muaj teeb meem xws li weld tawg. Tsis tas li ntawd, vim nws lub zog siab, kev ua haujlwm yuav tsum tau siv cov cuab yeej siv lub zog siab thiab cov txheej txheem ua haujlwm kom ntseeg tau tias kev ua haujlwm tau zoo thiab raug.

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