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 luv luv 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.
Q235A, Q235B, Q235C, Q235D. Qhov no yog qhov sib txawv ntawm qib, thiab qhov nws sawv cev yog qhov tseem ceeb tias qhov kub ntawm qhov cuam tshuam txawv! Qhov sib txawv ntawm A, B, C, thiab D yog hais txog qhov sib txawv ntawm qhov kub thiab txias hauv lawv qhov kev ua tau zoo. Lawv yog: Q235A qib, tsis muaj kev cuam tshuam; Q235B qib, 20 degree qhov kub thiab txias cuam tshuam; Q235C qib, 0 degree cuam tshuam; Q235D qib, -20 degree cuam tshuam. Ntawm qhov sib txawv qhov kub thiab txias, qhov cuam tshuam qhov tseem ceeb kuj txawv. Cov ntsiab lus tseem ceeb: Cov ntsiab lus sulfur ntawm A, B, C, thiab D txo qis; A thiab B muaj cov ntsiab lus phosphorus tib yam, C muaj cov ntsiab lus phosphorus siab tshaj plaws thib ob, thiab D muaj cov ntsiab lus phosphorus tsawg tshaj plaws.
Q235C qib muaj C Tsawg dua lossis sib npaug rau 0.17% Mn Tsawg dua lossis sib npaug rau 1.4% Si Less dua lossis sib npaug rau 0.35% S Tsawg dua lossis sib npaug rau 0 .040 P Tsawg dua lossis sib npaug rau 0.040
