Dab tsi yog qhov tshwj xeeb ntawm Q235D?
A: Q235D xav tau-20℃cuam tshuam kuaj(Ntau dua lossis sib npaug rau 27J), qis tshaj S / P, thiab yogtshwj xeeb tua (TZ)steel rau qis- qhov kub thiab txias ib puag ncig.
7. Cov tshuaj muaj pes tsawg leeg ntawm Q235 yog dab tsi?
A:
CTsawg dua lossis sib npaug li 0.22% (A / B), Tsawg dua lossis sib npaug li 0.18% (C), Tsawg dua lossis sib npaug li 0.17% (D)
Mn: Tsawg dua lossis sib npaug li 1.40%
Si: Tsawg dua lossis sib npaug li 0.35%
S/P: A: Tsawg dua lossis sib npaug li 0.050% / 0.045%; B: Tsawg dua lossis sib npaug li 0.045% / 0.045%; C / D: Tsawg dua lossis sib npaug rau 0.040% / 0.040%
8. Dab tsi yog qhov tseem ceeb ntawm cov khoom siv kho tshuab?
A:
Yield zog: Ntau dua los yog sib npaug235 MPa rau(tsawg dua lossis sib npaug li 16mm)
Tensile zog: 370-500 MPa
Elongation: Ntau dua los yog sib npaug26%(tsawg dua los yog sib npaug li 40mm)
Hardness: ~ 120-160 HB
9. Dab tsi yog qhov ceev ntawm Q235 steel phaj?
A: 7.85 g / cm³(7.85 kg/dm³).
10. Dab tsi yog tus qauv specification ntau?
A:
Thickness: 0.6mm-600 hli
Dav: Tsawg dua los yog sib npaug4200 hli
Ntev: Tsawg dua los yog sib npaug18 000 mm