Lub ntsiab chemical muaj pes tsawg leeg (%)?
C Tsawg dua lossis sib npaug li 0.20; Mn=1.00~1.60; Si Less tshaj los yog sib npaug rau 0.50; S Tsawg dua lossis sib npaug rau 0.035; P Tsawg dua lossis sib npaug rau 0.035; V/Nb/Ti.
Kev ua haujlwm ntawm txhua lub ntsiab lus?
Mn: Ua kom muaj zog thiab toughening; Si: Deoxidation ntxiv dag zog; S / P: impurities, qis tus nqi ua rau zoo dua toughness; V / Nb / Ti: Refining grain loj thiab ntxiv dag zog.
S/P txwv rau cov qib sib txawv?
A / B: S Tsawg dua lossis sib npaug rau 0.040, P Tsawg dua lossis sib npaug rau 0.040
C: S / P Tsawg dua lossis sib npaug rau 0.035
D: S / P Tsawg dua lossis sib npaug rau 0.030
E: S / P Tsawg dua lossis sib npaug rau 0.025.
Carbon sib npaug?
Kwv yees li 0.45% ~ 0.49%, weldability tau txais, cov phaj tuab xav tau preheating.
Kev tswj cov khoom txaus ntshai?
S Tsawg dua lossis sib npaug li 0.035%, P Tsawg dua lossis sib npaug li 0.035%, tiv thaiv kub brittleness / txias brittleness.