SAE steel grades
Stainless steel

SAE steel grades

Section Title: Stainless steel
Table Section Text: None

SAE designation	UNS designation	% Cr	% Ni	% C	% Mn	% Si	% P	% S	% N	Other

Austenitic

201	S20100	16–18	3.5–5.5	0.15	5.5–7.5	0.75	0.06	0.03	0.25

202	S20200	17–19	4–6	0.15	7.5–10.0	0.75	0.06	0.03	0.25

205	S20500	16.5–18	1–1.75	0.12–0.25	14–15.5	0.75	0.06	0.03	0.32–0.40

254	S31254	20	18	0.02 max	0.20	6 Mo; 0.75 Cu; "Super austenitic"; All values nominal

301	S30100	16–18	6–8	0.15	2	0.75	0.045	0.03

302	S30200	17–19	8–10	0.15	2	0.75	0.045	0.03	0.1

302B	S30215	17–19	8–10	0.15	2	2.0–3.0	0.045	0.03

303	S30300	17–19	8–10	0.15	2	1	0.2	0.15 min	Mo 0.60 (optional)

303Se	S30323	17–19	8–10	0.15	2	1	0.2	0.06	0.15 Se min

304	S30400	18–20	8–10.50	0.08	2	0.75	0.045	0.03	0.1

304L	S30403	18–20	8–12	0.03	2	0.75	0.045	0.03	0.1

304Cu	S30430	17–19	8–10	0.08	2	0.75	0.045	0.03	3–4 Cu

304N	S30451	18–20	8–10.50	0.08	2	0.75	0.045	0.03	0.10–0.16

305	S30500	17–19	10.50–13	0.12	2	0.75	0.045	0.03

308	S30800	19–21	10–12	0.08	2	1	0.045	0.03

309	S30900	22–24	12–15	0.2	2	1	0.045	0.03

309S	S30908	22–24	12–15	0.08	2	1	0.045	0.03

310	S31000	24–26	19–22	0.25	2	1.5	0.045	0.03

310S	S31008	24–26	19–22	0.08	2	1.5	0.045	0.03

314	S31400	23–26	19–22	0.25	2	1.5–3.0	0.045	0.03

316	S31600	16–18	10–14	0.08	2	0.75	0.045	0.03	0.10	2.0–3.0 Mo

316L	S31603	16–18	10–14	0.03	2	0.75	0.045	0.03	0.10	2.0–3.0 Mo

316F	S31620	16–18	10–14	0.08	2	1	0.2	0.10 min	1.75–2.50 Mo

316N	S31651	16–18	10–14	0.08	2	0.75	0.045	0.03	0.10–0.16	2.0–3.0 Mo

317	S31700	18–20	11–15	0.08	2	0.75	0.045	0.03	0.10 max	3.0–4.0 Mo

317L	S31703	18–20	11–15	0.03	2	0.75	0.045	0.03	0.10 max	3.0–4.0 Mo

321	S32100	17–19	9–12	0.08	2	0.75	0.045	0.03	0.10 max	Ti 5(C+N) min, 0.70 max

329	S32900	23–28	2.5–5	0.08	2	0.75	0.04	0.03	1–2 Mo

330	N08330	17–20	34–37	0.08	2	0.75–1.50	0.04	0.03

347	S34700	17–19	9–13	0.08	2	0.75	0.045	0.030	Nb + Ta, 10 x C min, 1 max

348	S34800	17–19	9–13	0.08	2	0.75	0.045	0.030	Nb + Ta, 10 x C min, 1 max, but 0.10 Ta max; 0.20 Ca

384	S38400	15–17	17–19	0.08	2	1	0.045	0.03

SAE designation	UNS designation	% Cr	% Ni	% C	% Mn	% Si	% P	% S	% N	Other

Ferritic

405	S40500	11.5–14.5	0.08	1	1	0.04	0.03	0.1–0.3 Al, 0.60 max

409	S40900	10.5–11.75	0.05	0.08	1	1	0.045	0.03	Ti 6 x (C + N)

429	S42900	14–16	0.75	0.12	1	1	0.04	0.03

430	S43000	16–18	0.75	0.12	1	1	0.04	0.03

430F	S43020	16–18	0.12	1.25	1	0.06	0.15 min	0.60 Mo (optional)

430FSe	S43023	16–18	0.12	1.25	1	0.06	0.06	0.15 Se min

434	S43400	16–18	0.12	1	1	0.04	0.03	0.75–1.25 Mo

436	S43600	16–18	0.12	1	1	0.04	0.03	0.75–1.25 Mo; Nb+Ta 5 x C min, 0.70 max

442	S44200	18–23	0.2	1	1	0.04	0.03

446	S44600	23–27	0.25	0.2	1.5	1	0.04	0.03

SAE designation	UNS designation	% Cr	% Ni	% C	% Mn	% Si	% P	% S	% N	Other

Martensitic

403	S40300	11.5–13.0	0.60	0.15	1	0.5	0.04	0.03

410	S41000	11.5–13.5	0.75	0.15	1	1	0.04	0.03

414	S41400	11.5–13.5	1.25–2.50	0.15	1	1	0.04	0.03

416	S41600	12–14	0.15	1.25	1	0.06	0.15 min	0.060 Mo (optional)

416Se	S41623	12–14	0.15	1.25	1	0.06	0.06	0.15 Se min

420	S42000	12–14	0.15 min	1	1	0.04	0.03

420F	S42020	12–14	0.15 min	1.25	1	0.06	0.15 min	0.60 Mo max (optional)

422	S42200	11.0–12.5	0.50–1.0	0.20–0.25	0.5–1.0	0.5	0.025	0.025	0.90–1.25 Mo; 0.20–0.30 V; 0.90–1.25 W

431	S41623	15–17	1.25–2.50	0.2	1	1	0.04	0.03

440A	S44002	16–18	0.60–0.75	1	1	0.04	0.03	0.75 Mo

440B	S44003	16–18	0.75–0.95	1	1	0.04	0.03	0.75 Mo

440C	S44004	16–18	0.95–1.20	1	1	0.04	0.03	0.75 Mo

SAE designation	UNS designation	% Cr	% Ni	% C	% Mn	% Si	% P	% S	% N	Other

Heat resisting

501	S50100	4–6	0.10 min	1	1	0.04	0.03	0.40–0.65 Mo

502	S50200	4–6	0.1	1	1	0.04	0.03	0.40–0.65 Mo

Martensitic precipitation hardening

630	S17400	15-17	3-5	0.07	1	1	0.04	0.03	Cu 3-5, Ta 0.15-0.45

Sentence(s)

316 is a stainless steel grade.

final_sentence: 316 is a stainless steel grade.