Q235B steel phaj yog ib hom hlau me me. Lub teb chaws tus qauv GB / T 700-2006 carbon yam ntxwv steel yog txhais kom meej meej. Q235B yog ib qho ntawm feem ntau cov hlau nyob hauv Suav teb. Nws tsis tshua muaj nqi thiab muaj peev xwm ua tau raws li cov kev cai ntawm ntau cov khoom uas muaj kev ua tau tsawg.
Qhov sib txawv ntawm Q235A thiab Q235B: hlau yog cov pa hlau. Hauv lub teb chaws tus qauv gb700-88, cov khoom sib txawv ntawm Q235A thiab Q235B yog tsuas yog cov ntsiab lus ntawm cov hlau. Cov khoom ntawm Q235A yog nruab nrab ntawm 0.14 thiab 0.22.
Cov paib ntawm Q235A tsis ua qhov kev sim ua ke, thaum Q235B yog ua cov kev sim ua kom sov li qub, v-notch. Comparatively hais lus, tus yam ntxwv ntawm steel ntawm Q235B yog zoo dua li cov uas ua los ntawm Q235A.
Raws li ib txwm muaj tshwm sim, lub zeb zeb ua ntej cov khoom tiav tas muaj cim rau ntawm daim ntawv lo. Tus neeg siv yuav xyuas seb cov khoom yog Q235A, Q235B lossis lwm yam khoom siv ntawm daim npav ID. Tus qauv siab P tsis tshaj 1.6MPa; Siv qhov kub ntawm 0 ~ 350 ℃; Thickness ntawm steel phaj> = 20mm
Sau: Hnub ci
