Stainless steel bolts, hex cap screws and studs. Inch series (ASTM F593)

ASTM F593 chemical composition. % max except as shown
Austenitic Alloys
Alloy group	UNS Nr	Alloy	C	Mn	Ph	S	Si	Cr	Ni	Cu	Mo	others
1	S30300	303	0.15	2	0.2	0.15 MIN	1	17-19	8-10	-	0.6 MAX	-
	S30323	303 SE	0.15	2	0.2	0.06	1	17-19	8-10	-	-	Se 0.15 MIN
	S30400	304	0.08	2	0.045	0.03	1	18-20	8-10.5	1	-	-
	S30403	304 l	0.03	2	0.045	0.03	1	18-20	8-12	1	-	-
	S30500	305	0.12	2	0.045	0.03	1	17-19	10.5-13	1	-	-
	S38400	384	0.08	2	0.045	0.03	1	15-17	17-19	-	0.5 MAX	-
	S20300	XM 1	0.08	5-6.5	0.04	0.18-0.35	1	16-18	5-6.5	1.75-2.25	-	-
	S30430	18-9 LW	0.10	2	0.045	0.03	1	17-19	8-10	3-4	-	-
	S30433	302 HQ	0.03	2	0.045	0.03	1	17-19	8-10	3-4	-	-
2	S31600	316	0.08	2	0.045	0.03	1	16-18	10-14	-	2-3	-
	S31603	316 L	0.03	2	0.045	0.03	1	16-18	10-14	-	2-3
3	S32100	321	0.08	2	0.045	0.03	1	17-19	9-12	-	-	Ti 5X C min
	S34700	347	0.08	2	0.045	0.03	1	17-19	9-13	-	-	Cb+Ta 10 X C MIN

Ferritic Alloys
Alloy group	UNS Nr	Alloy	C	Mn	Ph	S	Si	Cr	Ni	Cu	Mo	Others
4	S43000	430	0.12	1	0.04	0.03	1	16-18	-	-	-	-
	S43020	430 F	0.12	1.25	0.06	0.15 MIN	1	16-18	-	-	0.6 MAX	-

Martensitic Alloys
Alloy group	UNS Nr	Alloy	C	Mn	Ph	S	Si	Cr	Ni	Cu	Mo	Others
5	S41000	410	0.15	1	0.04	0.03	1	11.5-13.5	-	-	-	-
	S41600	416	0.15	1.25	0.06	0.15	1	12-14	-	-	0.6 MAX	-
	S41623	416 SE	0.15	1.25	0.06	0.06	1	12-14	-	-	-	Se 0.15 MIN
6	S43100	431	0.2	1	0.04	0.03	1	15-17	1.25-2.5	-	-	-

Precipitation Hardening Alloys
Alloy group	UNS Nr	Alloy	C	Mn	Ph	S	Si	Cr	Ni	Cu	Mo	Others
7	S17400	630	0.07	1	0.04	0.03	1	15-17.5	3-5	3.5	-	Cb+Ta 0.15-0.45