Table 2.

Chemical compositions of commercial stainless steels.

Alloys		Chemical composition, wt%
		C	Mn	Cr	Ni	Mo	Cu	V	Nb	Ti	Fe
Austenitic stainless steel	304 (UNS S30400)	0.04	0.99	18.43	7.30	0.12	0.26	0.110	0.015	0.018	Bal
	316 (UNS S31603)	0.02	0.97	16.58	9.17	1.97	0.22	0.100	0.019	0.025	Bal
	309S (UNS S30908)	0.06	0.90	19.42	11.24	–	–	0.055	0.015	0.010	Bal
	301S (UNS S31008)	0.07	1.23	25.44	18.55	0.18	0.05	0.057	0.010	0.007	Bal
Ferritic stainless steel	409L (UNS S40903)	0.02	0.22	11.65	–	–	–	0.057	0.010	0.186	Bal
	430 (UNS S43000)	0.04	0.34	16.46	–	–	–	0.100	0.006	0.004	Bal