Gnee Steel- ST13 Cold Rolled Steel Coil
ST13 is German standard, It’s ordinary cold rolled steel. ST13 is stamping grade cold rolled steel.
Cold coil is made of hot rolled coil at room temperature and below the recrystallization temperature, including plate and coil, of which the sheet delivered is called steel plate, also known as box plate or plate; the long length and delivered in coil is called steel strip, also known as coil plate.