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 4

Microhardness values in sample 4 (tempered in water + air).

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

1Base207, 204, and 213208
2HAZ214, 216, and 221217
3Weld212, 209, and 216212.33