SAE Stainless Steel Grades

Jul 15, 2011 at 9:23 pm in Materials, Reference by admin


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 - -
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, but 0.75 max
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 - -
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
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
Duplex
2205 S31803
S32205		 22 5 0.03 max - - - - 0.15 3 Mo; All values nominal
Super duplex
2507 S32750 25 7 0.03 max - - - - 0.28 4 Mo; All values nominal