Q235 steel yog ib hom carbon structural steel. Nws yog sib npaug rau A3 thiab C3 steel hauv cov qauv qub GB700-79 qib, thiab yog qib siv hauv Russia TOCT. Q hauv nws tus lej steel sawv cev lub zog tawm los. Feem ntau, cov hlau yog siv ncaj qha yam tsis muaj kev kho cua sov.
Suav lub npe Q235 steel
Q235 yog cov khoom siv hauv cov hlau thiab cov khoom lag luam hauv cov qauv carbon zoo tib yam. Tsis muaj cov ntsiab lus alloying tshwj xeeb ntxiv rau Q235. Lub zog tawm ntawm Q235 yog 235mpa. Q nyob rau hauv pem hauv ntej yog lub ntsiab lus ntawm yield zog. Feem ntau siv hauv kev tsim kho, feem ntau yog dov steel tuav, steel seem, steel phaj, thiab lwm yam., tsis seamless kav. Feem ntau siv nyob rau hauv txuas hniav, factories, nkoj thiab lwm yam kev tsim kho thiab engineering tej yaam num. Siv tsis tau kev kho cua sov.
Q235 tshuaj muaj pes tsawg leeg Cov tshuaj muaj pes tsawg leeg ntawm Q235: C Tsawg dua lossis sib npaug rau 0.22 Si Less dua lossis sib npaug rau 0.35 Mn Tsawg dua lossis sib npaug rau 1.40 P Less dua los yog sib npaug rau 0.045 S Tsawg dua los yog sib npaug rau 0.050
Lub zog tensile ntawm Q235 yog 490MPa, thiab elongation yog 23%.
