A516 A517 Gr. 70 Mild Ship Building Q235 Carbon Steel Phaj Kub Rolled / Cold Rolled Hlau Sheet

Q: Dab tsi yog carbon cov ntsiab lus ntawm Q235 phaj?
A: Cov ntsiab lus carbon ntawm Q235 phaj yog 0.14% ~ 0.22% (Q235A / B) thiab 0.12% ~ 0.20% (Q235C / D).
Q: Puas yog Q235 phaj muaj manganese? Nws cov ntsiab lus ntau npaum li cas?
A: Yog. Manganese cov ntsiab lus ntawm Q235 phaj yog 0.30% ~ 0.65% (Q235A / B) thiab 0.30% ~ 0.70% (Q235C / D).
Q: Dab tsi yog qhov siab tshaj plaws phosphorus cov ntsiab lus tso cai hauv Q235 phaj?
A: - Q235A: Tsawg dua lossis sib npaug li 0.045%
Q235B: Tsawg dua lossis sib npaug rau 0.045%
Q235C: Tsawg dua lossis sib npaug rau 0.040%
Q235D: Tsawg dua lossis sib npaug rau 0.035%
Q: Dab tsi yog qhov siab tshaj plaws sulfur cov ntsiab lus tso cai hauv Q235 phaj?
A: - Q235A: Tsawg dua lossis sib npaug li 0.050%
Q235B: Tsawg dua lossis sib npaug rau 0.045%
Q235C: Tsawg dua lossis sib npaug rau 0.040%
Q235D: Tsawg dua lossis sib npaug rau 0.035%