Q235D txhais li cas?
A:Qib D:-20℃cuam tshuam kuaj(Ntau dua lossis sib npaug rau 27J); nruj tshaj S/P (S Tsawg dua lossis sib npaug rau 0.035%, P Tsawg dua lossis sib npaug rau 0.035%); raucov cheeb tsam txias, qis- cov khoom siv kub.
Cov tshuaj muaj pes tsawg leeg ntawm Q235 yog dab tsi?
A (tus qauv):
C: 0.12–0.22%
Qhov hnyav: 0.30-0.70%
Si: Tsawg dua lossis sib npaug li 0.35%
S: Tsawg dua lossis sib npaug rau 0.035–0.050% (qib-nyob ntawm)
P: Tsawg dua los yog sib npaug rau 0.035–0.045% (qib-dependent).
Lub zog tawm los ntawm Q235 yog dab tsi?
A:Ntau dua lossis sib npaug235 MPa rau(tsawg dua lossis sib npaug li 16 hli);225 MPa(16-40 hli);215 MPa (>40 mm).
Lub zog tensile ntawm Q235 yog dab tsi?
A: 375-500 MPa.
Qhov elongation ntawm Q235 yog dab tsi?
A:Ntau dua lossis sib npaug26%(standard qauv).