Xov xwm muaj
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Cold-drawn tube unit
Cold-dov, txias-draw los yog txias-dov thiab txias sib xyaw ua ke ntawm cov txheej txheem ua haujlwm txias rau kev tsim cov yeeb nkab pob ntawm cov khoom siv ua ke. Nws yog kub dov welded yeeb nkab lossis raj qhov tob ua haujlwm. Raws li kev ua haujlwm ntawm cov hlau, cov yeeb nkab loj, cov kev xav tau zoo ...Nyeem ntxiv -
Steel yeeb nkab pickling txheej txheem
Yog li hu ua pickling yog siv hydrofluoric acid thiab nitric acid tov los ntxuav steel nto oxide generated tom qab tshav kub-kho. Siv nyob rau hauv cov tshuaj muaj pes tsawg leeg thiab tus nqi piv: HF (3-8%), HNO3 (10-15%), H2O (tus nqi ntxiv) thaum ua cov tshuaj kub ntawm 40-60 ° C. Lub cev steel pic...Nyeem ntxiv -
Cov raj xa dej
Cov kav dej xa dej yog hais txog kev sau thiab tso tawm cov dej phwj tuaj, cov dej khib nyiab thiab cov kav dej nag cov kav dej thiab cov chaw koom nrog. Xws li cov yeeb nkab qhuav, ceg yeeb nkab thiab cov yeeb nkab ua rau cov chaw kho mob, Tsis hais txog ntawm cov kav dej ntawm txoj kev lossis lwm qhov chaw, tsuav yog lawv ua si ...Nyeem ntxiv -
Hom Hlau Yeeb Nkab siv rau kev thauj roj
Kev ua, kev thauj mus los thiab cia cov roj yog qhov nyuaj heev nrog kev kub siab thiab corrosion. Cov roj av hauv av muaj cov tshuaj xws li sulfur thiab hydrogen sulfide uas tuaj yeem oxidize lub kav dej. Qhov no yog ib qho teeb meem tseem ceeb thaum lub sij hawm thauj roj. Yog li ntawd, cov khoom ...Nyeem ntxiv -
Qhov txawv ntawm ut thiab x-ray yeeb nkab yog dab tsi
Kev siv cov txheej txheem kuaj ultrasonic yog txhawm rau ntsuas ntsuas hu ua ultrasonic flaw detector. Nws lub hauv paus ntsiab lus yog: ultrasonic nthwv dej propagation nyob rau hauv cov khoom yog kuaj pom, lub acoustic zog ntawm cov khoom thiab lub internal lub koom haum hloov muaj ib co cuam tshuam rau propagation ntawm ul ...Nyeem ntxiv -
Zinc txheej
Zinc yog cov txheej txheem metallurgical cov tshuaj tiv thaiv. Los ntawm qhov pom ntawm microscopic, cov txheej txheem ntawm kub dip galvanizing yog ob qho tib si dynamic tshuav nyiaj li cas, sib npaug kub thiab zinc hlau sib npaug. Thaum lub steel workpiece raus nyob rau hauv txog 450 ℃ molten zinc kua, chav tsev kub kua zinc nqus nws ...Nyeem ntxiv
