Pipe
Chemical Composition of Stainless Steel
| Grade |
C (Max) |
Mn (Max) |
P (Max) |
S (Max) |
Si (Max) |
Cr (%) |
Ni (%) |
Mo (%) |
N (Max) |
Other Elements / Notes |
| 201 |
0.15 |
5.5–7.5 |
0.06 |
0.03 |
1.00 |
16.0–18.0 |
3.5–5.5 |
– |
– |
– |
| 202 |
0.15 |
7.5–10.0 |
0.06 |
0.03 |
1.00 |
17.0–19.0 |
4.0–6.0 |
– |
– |
– |
| 301 |
0.15 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
6.00–8.00 |
– |
0.10 |
– |
| 303 |
0.15 |
2.00 |
0.20 |
0.03 |
1.00 |
17.0–19.0 |
8.00–10.00 |
– |
– |
Cu up to ~1% |
| 304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0–20.0 |
8.00–10.50 |
– |
0.10 |
– |
| 304L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0–20.0 |
8.00–12.00 |
– |
0.10 |
– |
| 310S |
0.08 |
2.00 |
0.045 |
0.030 |
1.50 |
24.0–26.0 |
19.0–22.0 |
– |
– |
– |
| 316 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
0.10 |
– |
| 316L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
0.10 |
– |
| 317 / 317L |
0.08 / 0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0–20.0 |
11.0–14.0 / 11.0–15.0 |
3.00–4.00 |
0.10 |
– |
| 409 |
0.03 |
1.00 |
0.040 |
0.020 |
1.00 |
10.50–11.70 |
0.50 |
– |
0.03 |
– |
| 430 |
0.12 |
1.00 |
0.040 |
0.030 |
1.00 |
16.0–18.0 |
0.75 |
– |
– |
– |
| 2205 (Duplex) |
0.030 |
2.00 |
0.030 |
0.020 |
1.00 |
22.0–23.0 |
4.50–6.50 |
3.00–3.50 |
0.14–0.20 |
– |
| 2507 / S32750 (Super Duplex) |
0.03 |
2.00 |
0.030 |
0.020 |
1.00 |
24.0–26.0 |
6.00–8.00 |
3.5–4.5 |
0.10–0.25 |
– |
| 440C |
0.95–1.20 |
1.00 |
0.040 |
0.030 |
1.00 |
16.0–18.0 |
– |
0.75 |
– |
– |