Research Article

Microstructural Characteristics and Mechanical Properties of Nanostructured and Conventional TiAlN and AlCrN Coatings on ASTM-SA210 Grade A-1 Boiler Steel

Table 4

Parameters of the gas nitriding process.

Temperature650°C
Duration 3 hrs For Ti-Al coating
5 hrs For Al-Cr coating
Discharge rate of nitrogen0.3 L/min