Research Article

A Comparative Analysis among Quenched, Tempered, and Stepped Cooled TIG Welded SS-304 Plates Based on Tensile Strength, Hardness, and Microstructural Appearance

Table 5

Microhardness values in sample 5 (stepped cooling sand + water).

Sr. no.Sample: sand + water sampleHardness values in HV300 gmsAverage hardness (HV)

1Base199, 194, and 197196.67
2HAZ204, 206, and 202204
3Weld209, 199, and 205204.33