254SMO
Type 254SMO stainless steel is one of the widely used high-performance stainless steel grades. With its high levels of chromium, molybdenum, and nitrogen, it provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Grade 254SMO is commonly applied in industrial, commercial, and marine manufacturing fields, particularly in environments containing chlorides and aggressive chemicals.
| USA | JP | DE | EUR | CN |
|---|---|---|---|---|
| ASTM | JIS | DIN | EN | GB |
| S31254 | SUS 312L | X1CrNiMoCuN20-18-7 | 1.4547 | 022Cr20Ni18Mo6CuN |
Chemical Composition
The typical chemical composition is shown in the table below.
| Grade | Standard | 254SMO Chemical Composition | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Cr | Ni | P | S | N | Cu | ||
| ≤ % | ≤ % | % | % | % | ≤ % | ≤ % | ≤ % | % | ||
| S31254 | ASTM A240 | 0.02 | 0.8 | 1.0 | 19.50 - 20.50 | 17.50 - 18.50 | 0.03 | 0.01 | 0.18 - 0.22 | 0.50 - 1.00 |
| 1.4833 | EN 10088-2 | 0.02 | 0.8 | 1.0 | 19.50 - 20.50 | 17.50 - 18.50 | 0.03 | 0.01 | 0.18 - 0.22 | 0.50 - 1.00 |
| SUS309 | JIS G 4304 | JIS G 4305 | 0.02 | 0.8 | 1.0 | 19.50 - 20.50 | 17.50 - 18.50 | 0.03 | 0.01 | 0.18 - 0.22 | 0.50 - 1.00 |
Certification
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