Research Article

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

Table 1

Chemical composition (wt%) of Grade A-1 boiler steel (ASTM-SA210 Grade A-1).

ElementsCMnSiSPFe

Nominal0.270.930.10.0580.048Bal.
Actual0.27680.67250.17250.005170.093Bal.