Stainless steel 254 SMO
Purchase and sale of 254 SMO scrap and turnings for European consumers and foundries. Fast quotations and collection across the whole territory.
Super-stainless austenitic stainless steel with 6% molybdenum: very high resistance to pitting, crevice and stress corrosion in chloride-rich environments. Markets: desalination, desulphurisation, severe chemical and marine.
- Forms scrap · turnings · tubes · sheets
- Density 8.00 g/cm³
- Alloy austenitic 6% Mo
Main elements
| Chromium (Cr) | 19.5 – 20.5 % |
|---|---|
| Nickel (Ni) | 17.5 – 18.5 % |
| Molybdenum (Mo) | 6.0 – 6.5 % |
| Copper (Cu) | 0.5 – 1.0 % |
| Nitrogen (N) | 0.18 – 0.25 % |
| Carbon (C) | ≤ 0.02 % |
| Manganese (Mn) | ≤ 1.0 % |
| Iron (Fe) | balance |
Indicative values per EN 10088 / ASTM A240 (S31254). "254 SMO" is a registered trademark. The actual composition is certified for each batch.
Physical and mechanical data
| Density | 8.00 g/cm³ |
|---|---|
| Tensile strength Rm | 650 – 850 MPa |
| Yield strength Rp0.2 | ≥ 300 MPa |
| Elongation A | ≥ 35 % |
| Hardness | ≤ 96 HRB (≈ 210 HB) |
| PREN | ≥ 42.5 (typical ≈ 43 – 44) |
| Structure | austenitic (non-magnetic) |
Properties refer to the solution-annealed condition; indicative values.
Where our 254 SMO ends up.
Desalination
Exchangers and piping for high-salinity seawater.
Flue-gas desulphurisation (FGD)
Scrubbers and ducts exposed to chlorides and acids.
Marine environment
Pumps, piping and components for severe brackish water.
Chemical and petrochemical
Reactors and lines for strongly chlorinated environments.
Pulp & paper
Equipment for chlorine bleaching plants.
Oil & Gas
Offshore components and aggressive process lines.
We collect 254 SMO in every form.
Bulk scrap
Sheets, exchangers, tubes, offcuts and production cut-offs.
Turnings
Machining chips, loose or in bales/briquettes.
Tubes and bars
Bar ends for reuse and production residues, also certified.
Ingots and casting residues
Foundry material and casting residues.
Have 254 SMO to sell?
Send us the material, approximate quantity and collection area: we will reply with a fast and competitive quotation.
Tel +41 91 9856992
Mobile +39 3494906948
contacts@giulianimetalli.com