254SMO Stainless Steel Sheet
254SMO (UNS S31254, EN 1.4547) is a super austenitic stainless steel containing about 6% molybdenum, offering outstanding resistance to pitting, crevice corrosion and stress corrosion cracking. With a Pitting Resistance Equivalent Number (PREN) above 43, it outperforms standard 316L and is ideal for demanding seawater and chemical environments.
Specifications
| Grade | 254SMO / S31254 / 1.4547 |
| Standard | ASTM A240 / EN 10028 |
| Thickness | 0.5-6mm (plate up to 100mm) |
| Width | 1000-2000mm |
| Length | 2000-6000mm or as required |
| Surface | 2B / BA / No.1 / No.4 |
Chemical Composition (%)
| C | 0.020 max |
| Cr | 19.5-20.5 |
| Ni | 17.5-18.5 |
| Mo | 6.0-6.5 |
| N | 0.18-0.22 |
| Cu | 0.50-1.00 |
Mechanical Properties (Annealed)
| Tensile Strength | 650 MPa min |
| Yield Strength | 300 MPa min |
| Elongation | 35% min |
Applications
254SMO sheet is widely used in seawater handling systems, desalination plants, flue gas desulfurization, chemical processing, pulp and paper industry, and heat exchangers requiring superior corrosion resistance.
Company Advantages
- 20+ years experience in stainless steel field
- Mill test certificate and third-party inspection available
- Fast delivery and competitive pricing
- Custom sizes and surface finishes available