Inconel comes from the category of austenitic alloys, that are forged from the nickel and chromium as core metals, best preferred for manufacture of parts that are used in harsh condition with high temperature or subzero temperatures. Use of chromium enhances the resistant property of the alloy which leads to formation of a chromium oxide on its surface when the temperature rises. These characteristics of the Inconel alloy makes it the best contender for use in petroleum industry and furnaces.
Fasteners made from Inconel come in threaded or welded form and can be fixated using varied techniques like fusion welding, where the Inconel alloy is melted to fuse together with the other joining material. Use of Inconel fasteners is done using, various specified grade which changes accoridng to the inclusion of metals and and its quantities, affecting the nature of the fasteners. Different standards laid down in compliance with which these fasteners are made are capable of classifying the fasteners based on their dimensions and area of use.