Experimental Investigation and Multiobjective Optimization of Turning Duplex Stainless Steels

Table 1

Workpiece materials properties.

Chemical composition %weight	EN 1.4462	EN 1.4410
C	0.018	0.015
Cr	22.42	24.92
Ni	5.44	6.91
Mo	3.12	4.06
Mn	0.84	0.75
Si	0.37	0.25
N	0.18	0.3
P	0.025	0.021
S	0.0033	0.0007
Mechanical properties
Yield strength (MPa)	514	579
Tensile (MPa)	737	826
Hardness (BHN)	212	236
Elongation (%)	41	40