Aseamless steel yeeb nkabyog lub voos ncig uas muaj qhov hollow seem thiab tsis muaj nqaws nyob ib puag ncig nws. Cov yeeb nkab seamless yog ua los ntawm cov hlau, hlau loj, steel hlau lossis cov raj tsis muaj dab tsi, thiab tom qab ntawd yog tsim los ntawm kub kub, dov txias lossis nqus txias. Seamless kav yog txiav txim siab zoo dua muswelded kav dejraws li lawv tau tsim siv monolithic steel billets, nrog kev siv tshuab lub zog, tsis muaj seam txuas.
siv los thauj cov kav xa dej kua, saib zoo thiab cov hlau dav dav, ib qho ntawm cov hnyav hom steel, nws muaj lub zog tiv thaiv corrosion, tiv taus xeb feem ntau.
Yuav tsis xeb, qhov kev ua tau zoo no ua rau cov hlau tsis muaj kav hlau txuas ntxiv rau lub neej, qhov tseem ceeb tshaj plaws yog tias nws huv heev thiab tsis muaj co toxins.
Piv nrog rau lwm cov yeeb nkab yas seamless steel muaj lub zog tsis kam rau lub tshuab, muaj kev cuam tshuam txawm tias qhov ntsuas kub siab tsis txaus siab rau kev siv cov yeeb nkab seamless steel, nws yog kev sib tw thiab lwm cov yeeb nkab yog qhov qub, tuaj yeem hloov lwm cov raj dej thiab lwm yam kua.
kub rollded seamless steel yeeb nkab tuaj yeem ua kev puas tsuaj nrum microstructure ntawm lub steel ingot, kho kom zoo ntawm cov kua siv lead ua ntawm cov hlau, thiab tshem tawm qhov tsis xws ntawm microstructure, kom lub koom haum steel compacting, txhim kho cov yam ntxwv. Qhov kev txhim kho no tau cuam tshuam hauv txoj kev sib hloov, kom cov hlau tsis nyob ntev mus ib qho twg isotropic; nchuav cov txheej tsim ntawm npuas, kab nrib pleb, thiab osteoporosis, hauv qab kub thiab siab kuj tseem tuaj yeem ua ke ua ke.
1 Tom qab cov kub dov, qhov tsis muaj qhov tsis suav nyob rau sab hauv ntawm cov hlau (feem ntau yog sulfides thiab oxides, zoo li lub silicate) tau muab nias rau hauv daim ntawv, stratified (laminated) qhov tshwm sim tshwm. Txoj kev txheej hlau nyob rau hauv cov kev taw qhia tuab los ntawm qhov kev ua haujlwm rub tau qub tsis zoo, thiab tuaj yeem tshwm sim rau ntawm lub weld shrinkage interlayer kua muag. Weld shrinkage induced local strain feem ntau ncav cuag ntau zaus cov zis point strain, txoj kev ua si tseem ntau dua li cov load tshwm sim;
2 Cov kev ntxhov siab tshwm sim los ntawm qhov txias txias uas tsis sib xws. Qhov kev ntxhov siab nyob hauv tsev yog kev ntxhov siab ntawm sab hauv tus kheej-theem sib npaug ntawm qhov tsis muaj quab yuam sab nraud, kub-kuav los tiag hlau ntawm ntau qhov chaw hla muaj qhov kev nyuaj siab xws li feem ntau steel sectional qhov ntev yog qhov ntau dua, ntau dua qhov kev nyuaj siab. Kev ntxhov siab nyob yog tus kheej-theem sib npaug, tab sis cov tswvcuab steel hauv kev ua haujlwm sab nraud quab yuam lossis muaj qee yam cawv. Xws li kev hloov kho, ruaj khov, tiv thaiv kev qaug zog yuav ua kom tsis zoo.
3 Kub-kuav los tiag cov khoom steel, tswj tsis zoo ntawm cov tuab thiab ntug qhov dav. Peb paub txog lub thermal nthuav dav thiab cov ntawv cog lus, txawm hais tias qhov pib ntawm lub kub-dov tawm yog cov qauv ntev, tuab, lossis yuav muaj qee qhov tsis zoo kawg tom qab txias, qhov kev tsis zoo sab tsis zoo no nthuav dav dav dav zuj zus ntawm qhov ua tau zoo ntawm pom tseeb tshaj.
Yog li ntawd rau cov hlau loj rau steel ntug dav, tuab, ntev, lub kaum ntse ntse, thiab sideline tsis muaj txoj cai xav tau ib yam nkaus thiab yooj yim.
