... , Si≤0.30, Mn0.30-0.70,S≤0.045 ,P≤0.045,Cr≤0.30,Ni≤0.30,Cu≤0 ... .55, Mn1.00-1.60,S≤0.040 ,P≤0.040 V≤0.02-0.015,Nb 0.015-0.06,Ti ... 0.02-0.20Mechanical&Technalical :Y.S.(MPa)≥345 , T.S.(MPa) ... container or by bulk CertificateThe mill certificates of quality Steel Sheet