... carbon steel checkered sheet Q235B,Q345,SS400,St37-2,St52,ASTM A36,S235JR) Detailed description of Checkered plate 1. Product name ... ,steel checker plate2. Material grade : Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR 3.Thickness :1.8mm-10mm4. Standard Wdith ... to contact us.We look forward to built business relationship. with you.