CHEMICAL COMPOSITION ( IN PERCENTAGE )
Grade	C (Max)	Mn (Max)	P (Max)	S (Max)	Si (Max)	Cr	Ni	Mo	Nitrogen (Max)	Cu/ Others
301	0.15	2.00	0.045	0.030	1.00	16.00 - 18.00	6.00 - 8.00	-	0.10	-
304	0.08	2.00	0.045	0.030	0.75	18.00 - 20.00	8.00- 10.50	-	0.10	-
304L	0.030	2.00	0.045	0.030	0.75	18.00-20.00	8.00-12.00	-	0.10	-
310S	0.08	2.00	0.045	0.030	1.50	24.00-26.00	19.00-22.00	-	-	-
316	0.08	2.00	0.045	0.030	0.75	16.00-18.00	10.00-14.00	2.00-3.00	0.10	-
316L	0.030	2.00	0.045	0.030	0.75	16.00-18.00	10.00-14.00	2.00-3.00	0.10	-
317	0.08	2.00	0.045	0.030	0.75	18.00-20.00	11.00-14.00	3.00-4.00	0.10	-
317L	0.030	2.00	0.045	0.030	0.75	18.00-20.00	11.00-14.00	3.00-4.00	0.10	-
321	0.08	2.00	0.045	0.030	0.75	17.00-19.00	9.00-12.00	-	0.10	Ti5 ( C + N ) Min or 0.70 max
347	0.08	2.00	0.045	0.030	0.75	17.00-19.00	9.00-13.00	-	-	Cb= 10x ( C Min ) or 1.00 Max
409	0.08	1.00	0.040	0.010	1.00	10.50 - 11.75	0.50	-	-	Ti= 6x (C+ N ) Min or 0.70 Max
409M	0.03	0.81.2	0.030	0.030	0.40.75	11.00- 12.00	1.5 max	-	-	Ti= 6x (C) Min or 0.70 Max
410S	0.08	1.00	0.040	0.030	1.00	11.50- 13.50	0.60	-	-	-
410	0.15	1.00	0.040	0.030	1.00	11.50-13.50	0.75	-	-	-
420	0.35	0.50	0.035	0.015	0.50	12.00-13.00	0.20.3	-	-	-
430	0.12	1.00	0.040	0.030	1.00	16.00-18.00	0.75	-	-	-

Taper Washer

Tapper washer D434

Square Washer