3. The process Nitriding is a diffusion process and not a deposition process. Hence nitriding technologies focus on the source of nascent (atomic) nitrogen. Expensive alloy steels can only be nitrided and are used. Plasma nitriding allows faster nitriding times, and the quickly attained surface saturation of the plasma process ⦠Along with the derivative nitrocarburizing process, nitriding often is used in the manufacture of aircraft, bearings, automotive components, textile machin-ery, and turbine generation systems. Nitriding vs. Carburizing. The Nitriding Process. The operation is simple and the processing time is faster than the gas-based method, but the salts left over are highly toxic. The temperature used is typical of all nitrocarburizing processes: 550â590 °C (1022â1094 °F). The nitriding temperature for all steels is between 495 and 565°C (925 and 1050°F). Expensive gas ammonia is used in nitriding. These process parameters for gas nitriding include (i) furnace temperature, (ii) process control, (iii) time, (iv) gas flow, (v) gas activity control, and (vi) process chamber maintenance etc. The salts used also donate carbon to the workpiece surface making salt bath a nitrocarburizing process. As low temperatures are used in nitriding, much more time is required to develop the requisite case depth. It is a diffusion procedure that is reliant on a nitrogen source, and a low thermal process temperature (which, by looking at the Iron Carbon Equilibrium diagram is in the ferrite/cementite region of that diagram) just as the process of carburizing and carbo-nitriding processes are. 800-1100°F. Yes. Can you nitride a part more than once? However, times for gas nitriding can be quire long, that is, from 10 to 130 h depending on the application, and the case depths are relatively shallow, usually less than 0.5 mm. The nitriding process varies based on multiple factors including the material, requirements, size/weight of the part, to name a few. It takes 48 to 96 hours of nitriding to develop a case depth of around 1 mm. What makes the COMP Cams nitriding system special is the careful manipulation of the partâs microstructure by controlling the gasses introduced into the environment, the electrical charge in the atmosphere, and the exposure time throughout the entire 36-hour process. Gas nitriding is a case-hardening process whereby nitrogen is introduced into the surface of a solid ferrous alloy by holding the metal at a suitable temperature in contact with a nitrogenous gas, usually ammonia. Principal reasons for nitriding are: Nitriding is a process of diffusing nitrogen atoms into the metal s surface. What temperatures are used with the nitride processes? But, nitriding is an expensive process: 1. The gas-based process has easier disposal methods of the nitriding agent. 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