Common Quality Grade (Automotive)?
JR: Chav ntsuas kub qhov cuam tshuam (20 degree), Cov Ntsiab Lus Tseem Ceeb
J0: 0℃cuam tshuam, Chassis Parts
J2: -20℃cuam tshuam, Kev nyab xeeb / txias cheeb tsam
MC: Txias Forming Dedicated
Thickness Direction Performance (Z-kev taw qhia)?
For thick plates (>15mm), S355J2+Z15/Z35 yog muaj, muab kev tiv thaiv lamellar tearing (thav duab / txhawb nqa).
Surface Quality Requirements?
Automotive Qib: Tsis muaj kab nrib pleb / nti / suav nrog, pickled phaj roughness Ra Tsawg dua lossis sib npaug li 10μm.
S355 Teeb pom kev zoo?
15-20% thinner thiab sib dua li Q235, nrog nce rigidity.
Tus nqi sib piv (Automotive)?
S355 yog 10-15% kim dua Q235, tab sis tag nrho cov nqi qis dua vim qhov hnyav txo, siv cov khoom siv tsawg dua, thiab lub neej ntev dua.