Q: Q235 puas tuaj yeem txias- cov ntawv hlau dov rau cov ntawv thov tsheb tau nkag mus tob tob? Qhov twg yog qhov sib sib zog nqus kos duab theem?
A: Tsuas yog kos duab sib sib zog nqus (sib sib zog nqus nqus tsawg dua lossis sib npaug li 1) yog ua tau. Vim muaj cov ntsiab lus ntawm cov pa roj carbon tsawg thiab txwv cov qauv ntawm cov ntawv, sib sib zog nqus nqus tau yooj yim ua rau daim ntawv tawg thiab cov phab ntsa tuab tsis sib xws, ua tsis tau raws li qhov yuav tsum tau ua rau qhov sib sib zog nqus - kos.
Q: Dab tsi yog qhov yuav tsum tau pleev xim zaj duab xis thickness rau automotive qhov chaw ua tiav los ntawm Q235 txias- dov steel ntawv?
A: Tus qauv yuav tsum tau muaj nyob rau hauv kev lag luam tsheb yog tag nrho cov xim zaj duab xis thickness ntawm 80μm-120μm rau primer + intermediate coat + topcoat, nrog ib tug electrophoretic primer thickness ntawm 20μm-30μm los xyuas kom meej corrosion kuj thiab zoo nkauj tsos.
Q: Cov qauv hauv teb chaws twg yuav tsum Q235 txias- cov ntawv hlau dov rau kev siv tsheb ua tau raws li?
A: Cov ntsiab lus tseem ceeb yog GB / T 708-2006 "Dimensions, Shape, Weight and Permissible Deviations of Cold-Rolled Steel Sheets and Strips" thiab GB/T 700-2006 "Carbon Structural Steel," thaum tseem ua tau raws li cov kev cai ntxiv ntawm cov tuam txhab tsheb rau qhov zoo thiab tsim tau.
Q: Dab tsi ntawm qhov tsis xws luag yog qhov tsis tuaj yeem lees txais rau Q235 txias- dov steel ntawv siv hauv tsheb?
A: Tsis muaj qhov tsis xws luag xws li tawg, khawb, quav, pitting, hlau oxide nplai, thiab delamination tsis raug tso cai. Cov khawb me me thiab cov dents yuav tsum nyob rau hauv cov qauv tso cai kom tsis txhob cuam tshuam rau kev ua haujlwm thiab cov tsos.
Q: Ntawm cov khoom siv hluav taws xob ntawm Q235 txias- cov ntawv dov steel, cov ntsuas twg yog qhov tseem ceeb tshaj plaws rau kev tsim khoom hauv tsheb?
A: Lub zog muaj zog, elongation, thiab tensile lub zog yog cov cim tseem ceeb. Yield zog ua kom cov khoom rigidity, elongation txiav txim siab formability, thiab tensile zog xyuas kom meej tias cov khoom yuav tsis tawg thaum siv. Qhov elongation ntawm Q235 txias- dov steel los xij siv hauv tsheb feem ntau Zoo dua lossis sib npaug li 22%.