Effects of Cryogenic Treatment and Tempering on Mechanical Properties and Microstructure of 0.25C-0.80Si-1.6Mn Steel

Figure 4

Mechanical properties under different processes. (a) Tensile strength and yield strength, (b) total elongation, (c) contraction of area, and (d) yield ratio.

(a)

(b)

(c)

(d)