* Cold rolled steel is our most common and commonly used cold rolled products.Its brand can be generally divided into: ST12, ST13, ST14, ST15, ST16 and so on. * ST12 is German standard (DIN1623), It's ordinary cold rolled steel. In principle, ST12 can only be bent and formed, and no stamping is allowed. * Surface quality: FC, FB * ST12 Chemical Component * Chemical C Mn P S Al elements * Percentage 0.10 0.50 0.035 0.035 0.020 * ST12 Mechanical properties a MPa 280, MPa 270 410, L0=80mm b=20mm % 28
