Q: "Q" thiab "235" txhais li cas hauv Q235 steel phaj?
A: "Q" stands rau thawj tsab ntawv ntawm tus pinyin rau yield zog. "235" qhia tau hais tias qhov tsawg kawg nkaus yield zog yog 235 MPa rau steel daim hlau nrog ib tug thickness tsawg dua los yog sib npaug zos rau 16 hli.
Q: Lub teb chaws tus qauv twg Q235 steel phaj ua raws li?
A: Nws ua raws li lub teb chaws tus qauv GB / T 700-2006 "Carbon Structural Steel".
Q: Dab tsi yog cov qib zoo ntawm Q235 steel phaj?
A: Nws tau muab faib ua plaub qib zoo: A, B, C, thiab D. Cov ntsiab lus sib txawv yog nyob rau hauv cov ntsiab lus ntawm sulfur (S) thiab phosphorus (P) thiab qhov yuav tsum tau ua.
Q: Dab tsi yog qhov sib txawv ntawm cov qib zoo sib txawv ntawm Q235?
A: Cov sulfur thiab phosphorus cov ntsiab lus txo qis zuj zus (A> B> C> D), thiab cov kev ntsuas cuam tshuam yuav tsum tau nce zuj zus. Q235A tsis muaj qhov yuav tsum tau muaj kev cuam tshuam, thaum Q235D tuaj yeem raug kuaj xyuas ntawm -20 degree.
Q: Puas yog Q235 steel phaj cais raws li qis- carbon steel lossis nruab nrab- carbon steel?
A: Nws raug cais raws li qis- carbon steel, nrog cov ntsiab lus carbon feem ntau Tsawg dua lossis sib npaug li 0.22% (kev hloov pauv me ntsis yuav tshwm sim ntawm qib sib txawv).