Q: Cov teeb meem thiab kev daws teeb meem thaum uncoiling Q235 coils?
A: Ntauwd, xoob coiling, ntug kev puas tsuaj; tswj coiling nro, xyuas lub puab / sab nraud txoj kab uas hla ua ntej uncoiling, unwind smoothly siv ib tug uncoiler, thiab luas cov npoo puas tam sim ntawd.
Q: Cov ntsiab lus tseem ceeb ntawm shearing / stamping txheej txheem rau Q235 coils?
A: Shearing: qhov sib txawv ntawm cov hniav yuav tsum yog 5-10% ntawm cov phaj tuab, ua kom cov npoo ntse ntse; Stamping: xaiv qhov tsim nyog tuag, siv qis ceev rau cov ntaub ntawv nyias, thiab preheat cov ntaub ntawv tuab rau 80-120℃los txhim kho formability.
Q: Feem ntau cov teeb meem thiab kev tiv thaiv thaum vuam Q235 coils?
A: Porosity: huv roj / xeb los ntawm bevel, xyuas kom muaj kev tiv thaiv roj purity Ntau dua lossis sib npaug rau 99.99%; Cracks: preheat tuab daim hlau, tswj interpass kub tsawg dua los yog sib npaug rau 250 degree; Kev nkag tsis tiav: nce bevel sib txawv, nce vuam tam sim no.
Q: Cov teeb meem tshwm sim tom qab galvanizing Q235 coils? A: Tsis sib xws zinc plating, zinc txheej tsis tiav, xeb dawb; Kev daws: Txhuam degreasing / xeb tshem tawm thaum lub sij hawm pretreatment, tswj galvanizing kub ntawm 450-460 degree, kom qhuav raws sij hawm tom qab passivation, thiab ya raws - pov thawj cia.
Q: Dab tsi yog lub sijhawm lav thiab qhov yuav tsum tau taug qab rau Q235 coils? A: Lub sijhawm lav yog 3-6 lub hlis txij li hnub tsim khoom (nyob ntawm kev ntim khoom / khaws cia); txhua kauj los nrog daim ntawv pov thawj warranty qhia tus lej ntawm lub tshuab hluav taws xob, batch naj npawb, specifications, thiab kev ua tau zoo, txhawb nqa tag nrho traceability.