فولادهای زنگ نزن یا استنلس استیل ها کاربرد زیادی در صنایع مختلف دارند. جدول زیر ترکیب (آنالیز) شیمیایی انواع مختلف فولادهای زنگ نزن استاندارد را جهت بررسی و مقایسه نشان می دهد.
SAE designation | UNS designation | % Cr | % Ni | % C | % Mn | % Si | % P | % S | % N | Other |
---|---|---|---|---|---|---|---|---|---|---|
Austenitic |
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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 |
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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 | – | – |
SAE designation | UNS designation | % Cr | % Ni | % C | % Mn | % Si | % P | % S | % N | Other |
Martensitic |
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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 |
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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 |
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2205 | S31803 S32205 |
22 | 5 | 0.03 max | – | – | – | – | 0.15 | 3 Mo; All values nominal |
2304 | S32304 | 23 | 4 | 0.03 max | – | 1.00 max | 0.04 max | 0.04 max | 0.15 | 0.10-0.60 Mo |
Super duplex |
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2507 | S32750 | 25 | 7 | 0.03 max | – | – | – | – | 0.28 | 4 Mo; All values nominal |
Martensitic precipitation hardening |
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630 | S17400 | 15-17 | 3-5 | 0.07 | 1 | 1 | 0.04 | 0.03 | – | Cu 3-5, Ta 0.15-0.45 |
گردآوری و تالیف: واحد پژوهش و آموزش آلیاژهای صنعتی پایا متال