Sprocket chain comprising nitrated joint pins

摘要

An articulated chain comprising chain links which are interconnected by respective chain hinges, a respective hinge pin extending through at least one hinge opening so as to define a chain hinges and a bearing surface of the hinge opening being formed by a sintered material, wherein the hinge pin is produced from an alloy steel and a hinge-pin boundary layer defining the bearing surface is provided with a nitrified surface layer.