The Panama chocks are made according to the ISO 13728 standard and are normally adopted for ships passing through the Panama Canal, which are normally assisted by locomotives using steel towing wire. They meet normal mooring requirements and Panama Canal requirements. The material is steel casting material, having a yield point of not less than 235N/mm2 or equivalent. The carbon contents of the steel casting for
ISO13728 chockshall not be more than 0.23% considering weldability. The nominal size of the chock is denoted by reference to the width of the opening, in millimeters, which are 310mm and 360mm. It can be classified as deck-mounted Panama chock and bulwark mounted one according to their installation site.
