Dab tsi yog lub Hoobkas tshuaj xyuas cov khoom rau Q235 steel daim hlau?
A: Yuav tsum tau soj ntsuam cov khoom: tshuaj muaj pes tsawg leeg (spectral / tshuaj tsom xam), txhua yam khoom (yield zog, tensile zog, elongation), txias dabtsi yog khoov kuaj; Q235B / C / D yuav tsum tau kuaj qhov cuam tshuam ntxiv; qhov zoo ntawm qhov chaw thiab qhov sib txawv ntawm qhov sib txawv yog kuaj raws li xav tau.
Yuav ua li cas paub qhov txawv ntawm Q235 steel daim hlau los ntawm cov khoom cuav?
A: Cov tshuaj muaj pes tsawg leeg tuaj yeem kuaj tau siv lub spectrometer, thiab cov khoom siv tshuab tuaj yeem kuaj tau los ntawm kev ntsuas tensile. Ib txhij, txheeb xyuas cov ntawv pov thawj ntawm cov khoom siv steel (cov ntawv pov thawj zoo). Daim ntawv pov thawj cov ntaub ntawv yuav tsum muaj xws li lub cub tawg batch tooj, qib, xeem cov ntaub ntawv, thiab cov hlau zeb lub official foob.
Dab tsi yog cov txheej txheem ntim khoom rau Q235 steel phaj?
A: Nyias / nruab nrab- cov phaj tuab: ntim ntim, 5-10 tons ntawm ib pob, nrog lub kaum tiv thaiv thiab ncab zaj duab xis, sau nrog qib, thickness, specifications, thiab cub tawg batch tooj; Cov phaj tuab: ib qho / ntau daim ntawv tsis ntim khoom, cov ntawv pleev xim pleev xim, haum rau kev thauj mus los hauv hiav txwv / av.
Dab tsi yog cov qauv siv sib npaug rau Q235 steel daim hlau hauv kev xa tawm txawv teb chaws?
A: GB / T 700 Q235B yog kwv yees sib npaug rau ASTM A36 (American txuj), EN 10025 S235JR (European standard), thiab JIS G3101 SS400 (Japanese standard). Thaum quoting tus nqi rau kev lag luam txawv teb chaws, tus qauv sib npaug tuaj yeem raug teev raws li cov neeg siv khoom xav tau.
Dab tsi yog cov khoom siv tshuaj ntsuam xyuas rau Q235 steel daim hlau xa tawm?
A: Raws li nws belongs rau cov pa roj carbon zoo tib yam, tsis muaj kev tshuaj xyuas cov khoom tshwj xeeb. Tsuas yog daim ntawv pov thawj ntawm cov khoom siv, cov ntawv ntim khoom, daim ntawv them nyiaj ua lag luam, thiab daim ntawv tshaj tawm kev lis kev cai yog xav tau. Qee lub tebchaws xav tau daim ntawv pov thawj ntawm keeb kwm (CO).
Dab tsi yog qhov tseem ceeb cuam tshuam rau tus nqi ntawm Q235 steel daim hlau?
A: Cov ntsiab lus tseem ceeb suav nrog: cov khoom siv raw hlau ore / coke tus nqi, steel phaj thickness (cov phaj tuab yog kim dua), tus qauv ntev (tsis yog - tus qauv ntev yuav raug nqi ntxiv), yuav ntau npaum li cas, freight, thiab pauv tus nqi (rau kev lag luam txawv teb chaws). Tsis tas li ntawd, Q235D, vim nws cov kev xav tau ntau dua, nws kim dua qib A / B / C.