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

Figure 7

Microstructural appearance of sample 3 (water + sand-cooled): (a) the base metal, (b) HAZ, and (c) welded zone.

(a)

(b)

(c)