Alloy 254 SMO / 1.4547 / UNS S31254
Alloy 254 SMO is an austenitic stainless steel alloy with 6% molybdenum and nitrogen. It has a very high resistance to crevice and surface corrosion. Alloy 254 SMO was specially developed for the pulp and paper industry and for offshore use on oil and gas platforms.
Alloy 254 SMO / 1.4547 / UNS S31254 metal powder for 3d metal printing
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Material Data Sheet
| Material Designation | 1.4547 |
| UNS | S31254 |
| Alloy | 254 SMO |
| EN Material Symbol | X1CrNiMoCuN20-18-7 |
| Density | 8g/cm³ |
Main fields of application of Alloy 254 SMO / 1.4547
Alloy 254 SMO is used in particular in areas requiring resistance to chlorinated seawater, as well as in flue gas cleaning, maritime exhaust gas cleaning (EGC), bleaching plants in the pulp and paper industry and in the chemical industry.
Chemical composition of alloy 254 SMO / 1.4547 / UNS S31254
| C | Si | Mn | P | S |
| ≤ % | % | ≤ % | ≤ % | ≤ % |
| 0.02 | 0.70 | 1.0 | 0.03 | 0.01 |
| Mo | Ni | N | Cu | Cr |
| % | % | % | % | % |
| 6.0 - 7.0 | 17.5 - 18.5 | 0.18 - 0.25 | 0.5 - 1.0 | 19.5 - 20.5 |
Characteristics of Alloy 254SMO / 1.4547
| Mechanical Properties | Hardness HB 30 | 0.2 % Yield Strengh Rpt | Tensile Strength Rm | Elongation A5 | Modulus of Elasticity |
| 20 °C | ≤ HB | ≥ N / mm² | N / mm² | ≥ % | kN / mm² |
| 250 | 300 | 650-850 | 35 | 200 | |
| Physical Properties | Density | Specific Heat | Thermal Conductivity | Electrical Resistivity | |
| 20 °C | g/cm³ | J/kg K | W/m K | Ω mm²/m | |
| 8 | 500 | 13 | 0.85 |
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Sheets & plates (4)
Sheets & plates 1.4547 - 254SMO
Round bars (1)
Round bars 1.4547 - 254SMO
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