Comprehensive Study on Mechanical and Metallurgical Behavior of P-92 Steel

The development of a thermal power plant can include different difficulties and issues that need to be addressed. High pressures and temperatures are required for operation in thermal power plants and components are subjected to abrasive particles, corrosive gases, high-velocity steam, and aggressive environments. Several researchers have tested P-92 steel materials for their compatibility and effectiveness as construction material for thermal power plants, and this study reviews the mechanical properties and chemical compositions of P-92 steel materials based on experimental and simulated data from various research papers. Different welding techniques, including TIG, A-TIG, G-TAW, and SAW, are utilized to analyze the microstructures, mechanical properties, and chemical compositions of welds made from P-92 steel. The utilization of nanoindentation enables the examination of localized properties in the welded joints. Findings reveal a reduction in hardness within the CF-tested sample when contrasted with the as-welded counterpart, with a notable softening observed, especially in the areas extending from the CGHAZ to the FGHAZ. P-92 steel exhibits exceptional resistance to high temperatures while maintaining its structural integrity and mechanical properties.