Q235 cov pa roj carbon zoo tib yam cov txheej txheem hlau tseem hu ua A3 steel.
Cov pa roj carbon zoo tib yam txheej txheem steel-phaj zoo yog cov khoom siv hlau.
Q sawv rau qhov tawm los ntawm cov khoom siv no. Qhov kawg 235 yog hais txog qhov txiaj ntsig ntawm cov khoom siv no, uas yog kwv yees 235 MPa. Nrog rau qhov nce ntawm cov tuab ntawm cov khoom, tus nqi tawm los poob. Vim tias cov pa roj carbon pes tsawg cov ntsiab lus, qhov kev ua tau zoo yog qhov zoo, thiab lub zog, yas, thiab cov khoom vuam tau zoo sib xws. Nws yog qhov feem ntau siv.
