Description: q235b standard cold rolled steel strip in coils GB6654 Q235B Q345B Hot Rolled Steel Sheet In Coil. U003en ColdRolled Steel Sheets and Coils. ColdRolled Steel Sheets and Coils are extensively used as basic materials . in automobiles, electrical appliances, steel office equipment, various types of containers, and numerous other products closely connected to our daily lives. As more sophisticated products are demanded which are more economical,